Hiroshi Nagata
Hiroshi Nagata, Hitachi JP
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20100321847 | SEMICONDUCTOR POWER CONVERSION APPARATUS - A semiconductor power conversion apparatus capable of protecting an IGBT from an overvoltage by supplying a sufficient gate current to the gate of the IGBT. The IGBT is protected from the overvoltage by connecting clamping elements connected in series between a collector of the IGBT and the gate thereof, and by connecting a resistor to each of different junction points between the clamping elements connected in series. | 12-23-2010 |
Hiroshi Nagata, Tsukuba-Shi JP
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20090281072 | Diaminopyrimidinecarboxamide Derivative - A compound which may be used for the prevention or treatment of respiratory diseases in which STAT 6 is concerned, particularly asthma, chronic obstructive pulmonary disease and the like is provided. | 11-12-2009 |
20100224341 | SECONDARY COOLING APPARATUS AND CASTING APPARATUS - A secondary cooling apparatus capable of gradually cooling cast thin pieces and a cast apparatus that uses it are provided. A comb tooth-shaped device is arranged inside a vessel of the secondary cooling apparatus; the cast thin pieces are piled on the comb tooth-shaped device; and crushed small pieces are placed thereon. After the cast thin pieces and the crushed small pieces are gradually cooled, the cast thin pieces are crushed by a pressing device. The crushed small pieces are rapidly cooled by being in contact with a surface of a bottom wall and side faces of cooling teeth. Nd-rich phases or R-rich phases can be annealed by the gradual cooling, and after the crushed small pieces are rapidly cooled to its oxidation temperature or below, the crushed small pieces can be taken out to the air atmosphere. | 09-09-2010 |
20110126670 | METHOD FOR REFINING METAL - A method for refining a metal such that, after a base material derived from the metal is melted by being irradiated with an electron beam, the base material is refined by solidifying the base material which was melted, the method including: a step melting all of the base material by irradiating the electron beam over an entire surface of the base material loaded inside a water-cooled crucible placed inside a high vacuum atmosphere; a step gradually solidifying the base material which was melted from a molten metal bottom part of the base material which was melted toward a molten metal surface part at a side being irradiated by the electron beam by gradually weakening an output of the electron beam while maintaining a condition in which the base material which was melted is irradiated with the electron beam; and a step removing a molten metal part which is not solidified, after the base material which was melted is solidified to a certain percentage. | 06-02-2011 |
20110132142 | SILICON PURIFICATION METHOD - A silicon purification method includes a solidification purification step in which metal impurities are removed by irradiating a base material made of metallic silicon with an electron beam. The solidification purification step sequentially includes: preparing the base material to be purified at one time, loading a part of the base material into a water-cooled crucible, irradiating, with the electron beam, the entire area of the part of the loaded base material that is disposed under a high vacuum atmosphere, and thereby fully melting the part of the base material; gradually solidifying the molten part of the base material from a molten metal bottom thereof toward a molten metal surface thereof by gradually weakening an output of the electron beam so that the solidification proceeds until the solidifying portion occupies a first predetermined ratio of the total of the base material; further loading the remnant of the base material into the water-cooled crucible, and fully melting the remnant of the base material by irradiating the entire area of the remnant of the base material with the electron beam; gradually solidifying the molten metal portion from a bottom thereof toward a molten metal surface thereof by gradually weakening an output of the electron beam so that the solidification proceeds until the solidifying portion occupies a second predetermined ratio of the total of the molten metal portion; and removing an unsolidified molten metal portion. | 06-09-2011 |
20110294749 | DIAMINOPYRIMIDINECARBOXAMIDE DERIVATIVE - A compound which may be used for the prevention or treatment of respiratory diseases in which STAT 6 is concerned, particularly asthma, chronic obstructive pulmonary disease and the like is provided. | 12-01-2011 |
20140027083 | Evaporating Material and Method of Manufacturing the Same - There is provided an evaporating material of thin plate shape which can be manufactured at a reduced cost and at high productivity, the evaporating material being adapted for use in enhancing the coercive force of neodymium-iron-boron sintered magnet by heat treatment while evaporating Dy in vacuum or in reduced-pressure inert gas atmosphere. The evaporating material of this invention has a core member | 01-30-2014 |
Hiroshi Nagata, Tokyo JP
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20090131666 | ACYLAMINOPIPERIDINE COMPOUND - [Problem] To provide a compound which has an excellent activity to modulate the functions of CCR4 or TARC and/or MDC and can be used for the prevention and/or treatment of various inflammatory diseases, allergic diseases, autoimmune diseases and the like. | 05-21-2009 |
20100009991 | POLYCYCLIC ACID COMPOUNDS USEFUL AS CRTH2 ANTAGONISTS AND ANTIALLERGIC AGENTS - The present invention relates to a novel compound or a salt thereof, which is useful as a CRTH2 antagonist, especially as a medicament for disorder that participates eosinophil, for example, allergic disorder such as asthma, allergic rhinitis, allergic dermatitis, conjunctival inflammation, hives, eosinophilic bronchitis, food allergy, inflammation of the nasal sinuses, multiple sclerosis, angiitis, or chronic obstructive pulmonary disease (COPD) and the like. | 01-14-2010 |
20100105658 | AZA-BRIDGED-RING COMPOUND - [Problems] Provided is a compound which has an antagonistic action on a muscarinic M | 04-29-2010 |
20100222329 | 2-ACYLAMINOTHIAZOLE DERIVATIVE OR SALT THEREOF - A 2-acylaminothiazole derivative or a pharmaceutically acceptable salt thereof having an excellent effect of proliferating human c-mpl-Ba/F3 cells and an activity of increasing platelets based on the effect of promoting the formation of megakaryocytic colonies. A compound or a pharmaceutically acceptable salt thereof useful in treating thrombocytopenia. | 09-02-2010 |
20100222361 | 2-ACYLAMINOTHIAZOLE DERIVATIVE OR SALT THEREOF - A 2-acylaminothiazole derivative or a pharmaceutically acceptable salt thereof having an excellent effect of proliferating human c-mpl-Ba/F3 cells and an activity of increasing platelets based on the effect of promoting the formation of megakaryocytic colonies. A compound or a pharmaceutically acceptable salt thereof useful in treating thrombocytopenia. | 09-02-2010 |
20130079351 | 2-ACYLAMINOTHIAZOLE DERIVATIVE OR SALT THEREOF - A 2-acylaminothiazole derivative or a pharmaceutically acceptable salt thereof having an excellent effect of proliferating human c-mpl-Ba/F3 cells and an activity of increasing platelets based on the effect of promoting the formation of megakaryocytic colonies. A compound or a pharmaceutically acceptable salt thereof useful in treating thrombocytopenia. | 03-28-2013 |
Hiroshi Nagata, Kanagawa JP
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20080257716 | Coating Method and Apparatus, a Permanent Magnet, and Manufacturing Method Thereof - A film is formed at a high rate on the surface of an iron-boron-rare-earth-metal magnet having a given shape, while effectively using dysprosium or terbium as a film-forming material. Thus, productivity is improved and a permanent magnet can be produced at low cost. A permanent magnet is produced through a film formation step in which a film of dysprosium is formed on the surface of an iron-boron-rare-earth-metal magnet of a given shape and a diffusion step in which the magnet coated is subjected to a heat treatment at a given temperature to cause the dysprosium deposited on the surface to diffuse into the grain boundary phase of the magnet. The film formation step comprises: a first step in which a treating chamber where this film formation is performed is heated to vaporize dysprosium which has been disposed in this treating chamber and thereby form a dysprosium vapor atmosphere having a given vapor pressure in the treating chamber; and a second step in which a magnet kept at a temperature lower than the internal temperature of the treating chamber is introduced into this treating chamber and the dysprosium is selectively deposited on the magnet surface based on a temperature difference between the treating chamber and the magnet until the magnet temperature reaches a given value. | 10-23-2008 |
20100159129 | COATING METHOD AND APPARATUS, A PERMANENT MAGNET, AND MANUFACTURING METHOD THEREOF - The object of the present invention is to improve the productivity of a permanent magnet and to manufacture it at a low cost by effectively coating Dy and Tb on a surface of the magnet of Fe—B-rare earth elements having a predetermined configuration. The permanent magnet of the present invention is manufactured by a coating step for coating Dy on the surface of the magnet of Fe—B-rare earth elements having a predetermined configuration and a diffusing step for diffusing Dy coated on the surface of the magnet into crystal grain boundary phases of the magnet with being heat treated at a predetermined temperature. In this case, the coating step comprises a first step for heating a process chamber used for carrying out the coating step and generating metallic vapor atmosphere within the process chamber by vaporizing vaporizable metallic material previously arranged within the process chamber, and a second step for introducing into the process chamber the magnet held at a temperature lower than that within the process chamber and then selectively depositing the vaporizable metallic material on a surface of the magnet by an effect of temperature difference between the temperature within the process chamber and that of the magnet by the magnet reaches a predetermined temperature. | 06-24-2010 |
20110293829 | COATING METHOD AND APPARATUS, A PERMANENT MAGNET, AND MANUFACTURING METHOD THEREOF - The object of the present invention is to improve the productivity of a permanent magnet and to manufacture it at a low cost by effectively coating Dy and Tb on a surface of the magnet of Fe—B-rare earth elements having a predetermined configuration. The permanent magnet of the present invention is manufactured by a coating step for coating Dy on the surface of the magnet of Fe—B-rare earth elements having a predetermined configuration and a diffusing step for diffusing Dy coated on the surface of the magnet into crystal grain boundary phases of the magnet with being heat treated at a predetermined temperature. In this case, the coating step comprises a first step for heating a process chamber used for carrying out the coating step and generating metallic vapor atmosphere within the process chamber by vaporizing vaporizable metallic material previously arranged within the process chamber, and a second step for introducing into the process chamber the magnet held at a temperature lower than that within the process chamber and then selectively depositing the vaporizable metallic material on a surface of the magnet by an effect of temperature difference between the temperature within the process chamber and that of the magnet by the magnet reaches a predetermined temperature. | 12-01-2011 |
Hiroshi Nagata, Ome-Shi JP
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20100134924 | STORAGE DEVICE - According to one embodiment, a storage device includes at least one storage disk fixed to a hub mounted on a motor by a disk fixing mechanism, and a head configured to read and write information from and to the storage disk. The disk fixing mechanism includes a clamp ring, including a mounting hole on an inner peripheral side thereof through which the clamp ring is attached to the hub by a screw and a pressing portion for pressing the disk and a balance adjustment recess on an outer peripheral side thereof, and a balance wire attached to the balance adjustment recess. A first portion from the inner peripheral side to the pressing portion of the clamp ring and a second portion with the balance adjustment recess are formed of different materials. | 06-03-2010 |
Hiroshi Nagata, Kawasaki JP
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20090141395 | MOUNTING METHOD FOR STORAGE MEDIUM - In one example embodiment, there is provided a storage-medium mounting method that includes detecting a rotation center axis of a rotor by rotating the rotor relative to a stator, the rotor being rotatably supported by the stator. The storage-medium mounting method includes mounting a storage medium on the rotor while aligning a center axis of the storage medium with the rotation center axis of the rotor. | 06-04-2009 |
20090296261 | DISK DRIVE AND MAGNETIC CIRCUIT FIXING METHOD FOR THE SAME - A disk-drive magnetic circuit fixing structure and fixing method for fixing a magnetic circuit to a base by means of a plurality of screws, wherein provisions are made to substantially prevent a microscopic sliding movement involving impulsive vibration from occurring at a fastening portion between the magnetic circuit and the base. More specifically, in a disk drive including a disk enclosure having a base and a cover, a magnetic head contained within the disk enclosure, and a driving coil motor for driving the magnetic head by working in combination with an actuator on which the magnetic head is mounted and a magnetic circuit disposed in the vicinity of the actuator, the magnetic circuit is fixed to the base with a single or a plurality of screws by applying in advance a lubricant forming a lubricating layer on a face where each screw contacts the magnetic circuit or the base. | 12-03-2009 |
Hiroshi Nagata, Nishinomiya-City JP
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20090201106 | HARMONIC SUPPRESSION RESONATOR, HARMONIC PROPAGATION BLOCKING FILTER, AND RADAR APPARATUS - A harmonic suppression resonator comprises a plurality of waveguide resonators that resonate in TE mode, in which harmonic suppression resonator, adjoining resonators are coupled via a plurality of coupling windows. Four coupling windows | 08-13-2009 |
Hiroshi Nagata, Isehara JP
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20110261255 | VIDEO DISPLAY CONTROL DEVICE, VIDEO DISPLAY DEVICE, AND RECORDING MEDIUM HAVING VIDEO DISPLAY PROGRAM RECORDED THEREON - A video display device includes: a valid area judging unit; a scene change detector; a video conversion processor; and a video display unit. The valid area judging unit recognizes an input video signal and judges an aspect ratio of a valid area of the input video signal. The scene change detector detects a moment when a series of highly related videos in terms of time are switched. The video conversion processor converts the input video signal based on the aspect ratio of the valid area judged by the valid area judging unit relative to the input video signal and scene change information detected by the scene change detector, and outputs the converted video signal to the video display unit. The video display unit conducts a control for displaying an output video signal outputted from the video conversion processor on a display area. | 10-27-2011 |
Hiroshi Nagata, Sammu-Shi JP
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20120181164 | SILICON PURIFICATION METHOD AND SILICON PURIFICATION DEVICE - The silicon purification method uses a silicon purification device including at least a crucible for loading a silicon metal and a plasma torch, and purifies the silicon metal by injecting a plasma gas from the plasma torch toward a melt surface of the silicon metal loaded in the crucible in a state where an angle formed by the melt surface and the plasma gas is set in the range of 20° to 80°. | 07-19-2012 |
20140075997 | SILICON PURIFICATION METHOD AND SILICON PURIFICATION DEVICE - The silicon purification method uses a silicon purification device including at least a crucible for loading a silicon metal and a plasma torch, and purifies the silicon metal by injecting a plasma gas from the plasma torch toward a melt surface of the silicon metal loaded in the crucible in a state where an angle formed by the melt surface and the plasma gas is set in the range of 20° to 80°. | 03-20-2014 |
Hiroshi Nagata, Duvall, WA US
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20130063452 | CAPTURING SCREEN DISPLAYS IN VIDEO MEMORY AND DETECTING RENDER ARTIFACTS - Image data is captured from a specified area of a rendered screen display from the video memory for a number of frames. The image data can be captured in another area of video memory, enabling a video memory to video memory copy to be performed, thus bypassing system memory. This captured image data can be synchronized with event trace data, or other metadata from the operating system, associated with the application. Analysis tools can read and analyze the captured image data in real time to detect and report render artifacts. A graphics processing unit can implement the analysis and operate on the image data directly in the video memory. Such analysis can include a statistical analysis of the images in a sequence of screen captures to identify outliers in the sequence. These outliers have render artifacts. | 03-14-2013 |
Hiroshi Nagata, Chiyoda-Ku JP
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20130294031 | ROTARY ENCODER - A rotary encoder includes a rotary encoding unit attached to a rotary shaft which is rotatably held in a metal casing, a number-of-revolution detection unit supported by the metal casing for detecting a number of revolutions of the rotary encoding unit and producing heat, a cylindrical insulating resin cover having a base end attached to the metal casing for accommodating therein the rotary encoding unit and the number-of-revolution detection unit, a metal lid for blocking an opening of the other end of the insulating resin cover, and a shield cable electrically connected to the number-of-revolution detection unit and drawn out from a cable outlet of the metal lid. A shield of the shield cable is heat-transferably and electrically connected to the metal lid. | 11-07-2013 |
20150015245 | MULTI-ROTATION ENCODER - A battery-less multi-rotation encoder including detection coils with the Barkhausen effect includes a rotation detection mechanism and a signal processing circuit. The detection coils generate voltage pulses with different positive and negative signs, and transmit them to the signal processing circuit, and the signal processing circuit includes a controller and an adder. The controller can set states of the detection coils to be High or Low and to maintain them at High or Low, based on the positive and negative signs of the respective voltage pulses and no voltage pulse being generated therefrom. The controller is configured to store the states of the respective detection coils in a memory. The adder can update a number of rotations according to the changes in the states of the respective detection coils. The signal processing circuit can determine the rotational angle of a rotational shaft within about 1/4 rotation unit. | 01-15-2015 |
Hiroshi Nagata, Shunan-Shi JP
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20130340652 | CEMENT CLINKER, METHOD OF MANUFACTURING THE SAME AND CEMENT COMPOSITION - A cement clinker which can be sintered at 1,300 to 1,400° C. which is lower than the conventional sintering temperature and develops excellent strength characteristics such as mortar compression strength. | 12-26-2013 |
Hiroshi Nagata, Toyota-Shi JP
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20140113163 | CURRENT INTERRUPTING DEVICE OF SEALED BATTERY - A current interrupting device of a sealed battery includes a conductive member that is electrically connected to an external terminal of a battery case; a collector terminal that is arranged inside the battery case; and a reversing plate that is interposed between the conductive member and the collector terminal, and that electrically cuts off the conductive member from the collector terminal by deforming in response to an increase in pressure inside the battery case. An inner peripheral surface of the conductive member is joined to an outer peripheral surface of the reversing plate. An upper surface of the reversing plate does not contact the conductive member regardless of an activation of the current interrupting device. | 04-24-2014 |
20140113164 | CURRENT INTERRUPTING DEVICE OF A SEALED BATTERY, SEALED BATTERY HAVING CURRENT INTERRUPTING DEVICE, AND MANUFACTURING METHOD OF SEALED BATTERY - A current interrupting device of a sealed battery includes a conductive member that is electrically connected to an external terminal arranged on an outside portion of a battery case; and a reversing plate that is electrically connected to a collector terminal arranged inside of the battery case, and that electrically cuts off the conductive member from the collector terminal by deforming in response to an increase in pressure inside of the battery case. The current interrupting device is attached to an outside portion of the battery case. | 04-24-2014 |
Hiroshi Nagata, Higashi-Ibaraki JP
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20140110578 | SELF-POWERED GAMMA DETECTOR - A self-powered gamma detector which can hold the influence of neutron rays to the minimum, and can measure the dose of gamma rays accurately under a high neutron environment in the reactor is disclosed. The self-powered gamma detector has a columnar emitter member; a collector member arranged in surroundings of the emitter member through an insulating member, and the strength of gamma rays is measured by detecting the value of a current which flows between the emitter member and an MI cable connected with the emitter member, and the collector member. Especially, the emitter member consists of pure tungsten (W), whose inevitable impurities is in 0.03 percent by weight or less. | 04-24-2014 |
Hiroshi Nagata, Kyoto-Shi JP
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20130343946 | METHOD AND SYSTEM FOR MANUFACTURING SINTERED RARE-EARTH MAGNET HAVING MAGNETIC ANISOTROPY - A method for manufacturing a sintered rare-earth magnet having a magnetic anisotropy, in which a very active powder having a small grain size can be safely used in a low-oxidized state. A fine powder as a material of the sintered rare-earth magnet having a magnetic anisotropy is loaded into a mold until its density reaches a predetermined level. Then, in a magnetic orientation section, the fine powder is oriented by a pulsed magnetic field. Subsequently, the fine powder is not compressed but immediately sintered in a sintering furnace. A multi-cavity mold for manufacturing a sintered rare-earth magnet having an industrially important shape, such as a plate magnet or an arched plate magnet, may be used. | 12-26-2013 |
Hiroshi Nagata, Xiamen CN
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20150239048 | MANUFACTURING METHOD OF RARE EARTH MAGNET ALLOY POWDER, RARE EARTH MAGNET AND A POWDER MAKING DEVICE - The present invention discloses a manufacturing method and device of rare earth magnet alloy powder and rare earth magnet. The method comprises a process of fine grinding at least one kind of rare earth magnet alloy or at least one kind of rare earth magnet alloy coarse powder in inert jet stream with oxygen content below 1000 ppm to obtain powder with grain size smaller than 50 μm. Low oxygen content ultra fine powder with grain size smaller than 1 μm is not separated from the pulverizer, the oxygen content of the atmosphere is reduced to below 1000 ppm in the pulverizer when crushing the powder, thereby abnormal grain growth (AGG) rarely happens in the sintering process to get low oxygen content sintered magnet, it has advantages of simplifying process and reducing manufacturing cost. | 08-27-2015 |
20150279530 | MANUFACTURING METHOD OF A POWDER FOR COMPACTING RARE EARTH MAGNET AND THE RARE EARTH MAGNET OMITTING JET MILLING PROCESS - The present invention discloses manufacturing methods of a powder for compacting rare earth magnet powder and rare earth magnet that omit jet milling process, which comprises the steps as follows: 1) casting: casting the molten alloy of rare earth magnet raw material by strip casting method to obtain a quenched alloy with average thickness in a range of 0.2˜0.4 mm; 2) hydrogen decrepitation: decrepitating the quenched alloy and a plurality of rigid balls into a rotating hydrogen decrepitation container simultaneously, the quenched alloy is crushed under a hydrogen pressure between 0.01˜1 MPa, cooling the alloy and the balls, then screening the mixture to remove the rigid balls and obtain the powder. As the jet milling process is omitted, the oxygenation during the process of the jet milling may be avoided, therefore the process may be non-oxide, and the mass production of magnet with super high property may be possible. | 10-01-2015 |
20150287529 | MANUFACTURING METHOD OF GREEN COMPACTS OF RARE EARTH ALLOY MAGNETIC POWDER AND A MANUFACTURING METHOD OF RARE EARTH MAGNET - The present invention discloses a manufacturing method of green compacts of rare earth alloy magnetic powder and a manufacturing method of rare earth magnet, it is a manufacturing method that pressing the rare earth alloy magnetic powder added with organic additive in a closed space filled with inert gases to manufacture the green compacts, wherein the rare earth alloy magnetic powder is compacted under magnetic field in a temperature atmosphere of 25° C.-50° C. and a relative humidity atmosphere of 10%-40%. This method is to set the temperature of the inert atmosphere in a fully closed space, inhibiting bad forming phenomenon of the magnet with low oxygen content (broken, corner-breakage, crack) after sintering, and increasing the degree of orientation, Br and (BH)max. | 10-08-2015 |
20150302960 | MANUFACTURING METHOD OF A POWDER FOR COMPACTING RARE EARTH MAGNET AND THE RARE EARTH MAGNET OMITTING JET MILLING PROCESS - The present invention discloses manufacturing methods of a powder for compacting rare earth magnet and rare earth magnet that omit jet milling process, which comprise the steps as follows: 1) casting: casting the molten alloy of rare earth magnet raw material by strip casting method to obtain a quenched alloy with average thickness in a range of 0.2˜0.4 mm; 2) hydrogen decrepitation: decrepitating the quenched alloy hydrogen under a hydrogen pressure between 0.01˜1 MPa for 0.5˜24 h to obtain the powder. The present invention improves the manufacturing processes which are before the process of jet milling for omitting the process of jet milling, thus simplifying the process; which may also acquire a low cost production by efficiently using the precious rare earth resource. | 10-22-2015 |
Hiroshi Nagata, Kikuchi-Gun JP
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20150251398 | BONDING SYSTEM AND BONDING METHOD - Provided is a bonding system, which includes: a processing station in which specified processes are performed on a first substrate and a second substrate; and a carry-in/carry-out station in which the first substrate, the second substrate or a laminated substrate obtained by bonding the first substrate and the second substrate is carried into and out of the processing station. The processing station includes: a first processing apparatus configured to coat the first substrate with the bonding agent using a bonding agent injecting part; a second processing apparatus provided with a bevel cleaning unit for cleaning a bevel portion of the first substrate coated with the bonding agent; and a bonding apparatus configured to bond the first substrate and the second substrate through the bonding agent and a release agent. The first processing apparatus or the second processing apparatus further includes a release agent injection part for injecting the release agent. | 09-10-2015 |
Hiroshi Nagata, Xiamen, Fujian CN
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20150340136 | MANUFACTURING METHOD OF AN ALLOY POWDER FOR RARE EARTH MAGNET AND THE RARE EARTH MAGNET BASED ON HEAT TREATMENT - A manufacturing method of an alloy powder for rare earth magnet and the rare earth magnet based on heat treatment includes the following: an alloy of the rare earth magnet is firstly coarsely crushed and then finely crushed by jet milling to obtain a fine powder; the fine powder is obtained by being heated in vacuum or in inert gas atmosphere at a temperature of 100° C.˜1000° C. for 6 minutes to 24 hours. The heat treatment of fine powder is performed after the process of finely crushed jet milling before the process of compacting under a magnetic field, so that the sintering property of the powder is changed drastically, and it obtains a magnet with a high coercivity, a high squareness and a high heat resistance. | 11-26-2015 |
20150357119 | MANUFACTURING METHODS OF A POWDER FOR RARE EARTH MAGNET AND THE RARE EARTH MAGNET BASED ON EVAPORATION TREATMENT - A manufacturing method of a powder for rare earth magnet and the rare earth magnet based on evaporation treatment, includes the steps of: coarsely crushing an alloy for the rare earth magnet and then finely crushing to obtain a fine powder; and evaporating the fine powder and an evaporation material in vacuum or in inert gas atmosphere; wherein the weight ratio of the evaporation material evaporated to the fine powder and the fine powder is 10-6˜0.05:1. By adding the process of evaporation treatment of fine powder before the process of compacting under a magnetic field and after the process of fine crushing, the sintering property of the powder is changed drastically; a magnet with a high coercivity, a high squareness and a high heat resistance is obtained. | 12-10-2015 |
20150364234 | MANUFACTURING METHOD OF RARE EARTH MAGNET BASED ON HEAT TREATMENT OF FINE POWDER - A manufacturing method of rare earth magnet based on heat treatment of fine powder includes the following: an alloy for the rare earth magnet is firstly coarsely crushed and then finely crushed by jet milling to obtain a fine powder; the fine powder is heated in vacuum or in inert gas atmosphere at a temperature of 100° C.˜1000° C. for 6 minutes to 24 hours; then the fine powder is compacted under a magnet field and is sintered in vacuum or in inert gas atmosphere at a temperature of 950° C.˜1140° C. to obtain a sintered magnet; and machining the sintered magnet to obtain a magnet; then the magnet performs a RH grain boundary diffusion at a temperature of 700° C.˜1020° C. An oxidation film forms on the surface of all of the powder. | 12-17-2015 |
Hiroshi Nagata, Kyoto JP
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20150360415 | PLASTIC BAG MAKING APPARATUS - In an apparatus for successively making plastic bags, a receiver plate | 12-17-2015 |
Hiroshi Nagata, Hyogo JP
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20160118660 | POSITIVE ELECTRODE MIXTURE AND ALL-SOLID-STATE LITHIUM SULFUR CELL - The present invention aims to maximize the advantageous physical properties of sulfur and provide a cathode mixture that can be suitably used in a cathode mixture layer of an all-solid-state lithium sulfur battery exhibiting excellent charge/discharge capacity. The present invention also aims to provide an all-solid-state lithium sulfur battery including a cathode mixture layer containing the cathode mixture. The present invention provides a cathode mixture for use in a cathode mixture layer of an all-solid-state lithium sulfur battery, the cathode mixture containing: (A) an ion-conductive material containing phosphorus at a weight ratio of 0.2 to 0.55; (B) sulfur and/or its discharge product (B); and (C) a conductive material, the amount of the component (B) being 40% by weight or more of the total amount of the components (A), (B), and (C). | 04-28-2016 |