Koji Matsumoto
Koji Matsumoto, Hachioji-Shi JP
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20110102625 | Image Forming Optical System and Electronic Image Pickup Apparatus Using Image Forming Optical System - An image forming optical system according to the present invention is characterized in that, in an image forming optical system having a positive lens group, a negative lens group, and an aperture stop, the positive lens group is disposed at an object side of the aperture stop, | 05-05-2011 |
20130038917 | WAVELENGTH SELECTIVE SWITCH - Provided is a wavelength selective switch which includes: at least one input port; a dispersive portion for dispersing wavelength-multiplexed light input from the input port into wavelength-demultiplexed lights; a condenser element for condensing the wavelength-demultiplexed lights dispersed by the dispersive portion; a deflection portion having deflection elements for deflecting, for each wavelength-demultiplexed light condensed by the condenser element; at least one output port for outputting the wavelength-demultiplexed lights deflected by the deflection portion. A light-condensing position shift compensating element is disposed in an optical path between the input port and the dispersive portion or in the dispersive portion, for compensating light-condensing position shift of the wavelength-demultiplexed lights relative to the deflection element, light-condensing position shift being generated based on the arrangement of the input ports. | 02-14-2013 |
Koji Matsumoto, Hyogo JP
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20110003926 | PROCESS FOR PRODUCING WATER-ABSORBING RESIN - In obtaining a water-absorbing resin with high property in high productivity, produced a production method for a water-absorbing resin in high property and stably. Provided is a production method for a water-absorbing resin, comprising: a step for polymerizing an acrylic acid aqueous solution; a step for drying the resultant water-containing gel; a step for pulverizing and classifying the dried substance; and a step for surface cross-linking after classification, wherein a hopper having an inclination angle of a cone part of equal to or larger than 45 degree, and a drawing rate of 30 to 80% is used. | 01-06-2011 |
20110006140 | METHOD FOR PRODUCTION OF PARTICULATE WATER ABSORBENT COMPRISING WATER-ABSORBABLE RESIN AS MAIN INGREDIENT - [Problem] To obtain a particulate water absorbent having excellent and stabilized physical properties. | 01-13-2011 |
20110011491 | METHOD FOR FILLING PARTICULATE WATER-ABSORBING AGENT HAVING AS A MAIN COMPONENT WATER-ABSORBING RESIN - There is provided a filling method which is capable of suppressing uneven distribution of particle diameter and suppressing property decrease of the particulate water-absorbing agent. The method for filling the particulate water-absorbing agent according to the present invention includes a abutting step for making a member for filling the particulate water-absorbing agent abutted on a vibrator; a supplying step for supplying the particulate water-absorbing agent to the member for filling; and a vibration step for vibrating the particulate water-absorbing agent present in the member for filling by vibrating the vibrator. Preferably, the supplying step is performed by dividing into a plurality of times. Preferably, the vibration step includes an intermediate vibration step performed at a stage where a part of a plurality of times of the supplying steps is completed, and a final vibration step performed at a stage where all of a plurality of times of the supplying steps is completed. Total filling mass W | 01-20-2011 |
20110028670 | PROCESS FOR PRODUCTION OF WATER-ABSORBING RESINS - There is provided a production method for a water-absorbing resin for stably and continuously producing the water-absorbing resin with industrially high property, in particular, the water-absorbing resin with high liquid permeation. A method of the present invention relates to a production method for a water-absorbing resin including: a polymerization step of an aqueous solution of an unsaturated monomer; a drying step of the resultant hydrogel polymer; and a surface cross-linking step after drying; characterized by including a pneumatic transportation step for pneumatic transporting the water-absorbing resin powder substance in a pipeline with a surface roughness (Rz) of the inner surface of equal to or smaller than 800 nm, by using gas with a dew point of −5° C. to −100° C. | 02-03-2011 |
20110039961 | Method for producing particulate water absorbing agent containing water absorbent resin as main component - An apparatus ( | 02-17-2011 |
20110088806 | METHOD OF TRANSPORTING ABSORBENT RESIN POWDER - Provided is a method of transporting an absorbent resin powder, said method being suitable for long-distance transport, and being able to inhibit the deterioration of the properties of the absorbent resin powder while also inhibiting obstructions. During the manufacturing process, the absorbent resin powder is transported pneumatically via transport pipes. This transport method involves two or more air transport devices (A, B, C) within one transport section, and the air transport devices (A, B, C) are connected in series by transport pipes (P | 04-21-2011 |
20110110730 | TRANSPORT METHOD FOR ABSORBEND RESIN POWDER - [Problem] To provide a pneumatic conveyance method for a water-absorbing resin powder substance, which is capable of suppressing property decrease of the water-absorbing resin powder substance, while suppressing obstruction phenomenon. | 05-12-2011 |
20110166300 | WATER-ABSORBENT RESIN MANUFACTURING METHOD AND LIQUID PERMEABILITY IMPROVEMENT METHOD - A method for the production of a water-absorbing resin is to be provided which permits enhancement and stabilization of property, for example, liquid permeability, of a water-absorbing resin by a simple and convenient method without requiring change of raw materials or expensive facility investment. The method comprises a polymerization step for polymerizing an aqueous solution of acrylic acid (or salt thereof) to obtain a hydrogel cross-linked polymer; a drying step for drying the hydrogel cross-linked polymer to obtain a water-absorbing resin powder; a classification step for classifying the water-absorbing resin powder; and a surface cross-linking step for surface cross-linking the water-absorbing resin powder before or after the classification step, wherein electricity is eliminated in the classification step. | 07-07-2011 |
Koji Matsumoto, Himeji-Shi JP
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20110009590 | METHOD FOR PRODUCING PARTICULATE WATER - ABSORBING AGENT COMPOSED PRINCIPALLY OF WATER ABSORBING RESIN - Provided is a production method for the particulate water-absorbing agent, which can contribute to property enhancement, and further improvement of productivity or the like, as well. One example of the production method for the particulate water-absorbing agent relevant to the present invention includes the polymerization step for obtaining a polymer gel; the drying step for drying the polymer gel to obtain a dried substance; the pulverization step for pulverizing the dried substance or the polymer gel to obtain the particulate water-absorbing resin; the classification step for sieving the particulate water-absorbing resin; the granule sizing step for granule sizing the particulate water-absorbing agent obtained from the particulate water-absorbing resin; and the transporting step for transporting the products produced in each of the steps to other steps. Preferably, one or more steps selected from the pulverization step, the classification step, the granule sizing step and the transporting step after the pulverization step are set under reduced pressure state. | 01-13-2011 |
20120157648 | PRODUCTION METHOD FOR WATER-ABSORBENT RESIN | 06-21-2012 |
Koji Matsumoto, Kawaguchi-Shi JP
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20100226041 | MAGNETIC RECORDING MEDIUM, METHOD OF FABRICATING THE SAME, AND STORAGE APPARATUS - A magnetic recording medium includes a recording layer having a granular structure in which magnetic particles are dispersed within a non-magnetic base, and a non-magnetic material embedded in grooves of patterns formed on the recording layer. The magnetic particles have an inverted truncated cone shape with a diameter larger in an upper region of the recording layer than in a lower region of the recording layer. | 09-09-2010 |
Koji Matsumoto, Yamagata JP
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20100128891 | REPULSION-TYPE MAGNETIC CIRCUIT AND SPEAKER DEVICE - A repulsive-type magnetic circuit prevents deterioration of magnetic characteristic of magnets due to heat accumulation, and includes: a magnet and plural magnets arranged such that matching poles of the magnet and each of the plural magnets confront each other; a yoke; a pole piece; and a top plate. The pole piece is above the yoke. The top plate is above the pole piece. The magnet is between the yoke and the pole piece. The plural magnets are arranged between the pole piece and top plate. Joule heat generated by the voice coil is hardly propagated, as radiant heat, to one of the plural magnets on the side near the top plate. Accordingly, the temperature of the magnet on the top plate side hardly rises even if radiant heat continuously propagates to the pole piece. This prevents demagnetization of each of the plural magnets, and deterioration of the magnetic characteristics thereof. | 05-27-2010 |
Koji Matsumoto, Ichikawa JP
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20090064211 | Optical Disc Apparatus - To prevent an optical disc from being removed from a clamper even when an impact force is applied in an optical disc apparatus. A displacement amount by which a disc motor is sunk on the bottom case side is suppressed. In more detail, a convex portion which protrudes in the bottom cover direction is provided at a region including the whole or a part of an orthographically-projected surface of the disc motor on a surface of a bottom case opposed to a rear surface of the disc motor, and in a state of recording or reproducing, the sum of a distance between a motor fixing plate and a bottom cover and a distance between the bottom cover and the convex portion of the bottom case is smaller in the rotational axis direction of the disc motor than the sum of a distance between an optical disc and a tray and an insertion depth by which a clamper is inserted into a center hole of an optical disc. | 03-05-2009 |
20090064216 | Optical disc apparatus - In order to make a unit mechanical portion lighter and to cut down the cost of the unit mechanical portion in an optical disc apparatus, the optical disc apparatus of the present invention is configured to include: a chassis which includes a supporting portion that supports an optical pickup, a pickup moving mechanism, and a disc motor, and coupling portions that abut on and are coupled to a tray at plural points, which is formed of a synthetic resin material, and in which the supporting portion and the coupling portions are integrated with each other; and a flexible flat cable which electrically couples between a first circuit substrate fixed to the bottom case side and a second circuit substrate fixed to the tray or the chassis side, and which is arranged between a bottom cover and a bottom case while its plane surface is folded in a state where the tray is inserted into an apparatus body. | 03-05-2009 |
20090113462 | OPTICAL DISC APPARATUS - Disclosed herein is an optical disc apparatus wherein, in order that a flexible printed circuit board that connects a printed circuit board provided on the moving unit of the apparatus which includes a tray to a printed circuit board provided on the fixed unit of the apparatus is prevented from being caught between the bottom case of the apparatus and the bottom cover of the moving unit during the slide-in movement of the tray, convex portions are provided on the inner surface of the top cover that covers the top surface side of the apparatus such that the convex portions are directly opposite or directly above the flexible printed circuit board during the slide-in/slide-out movements of the tray and such that the convex portions are positioned further outwardly from the outer circumference of an optical disc with respect to the rotation center of the optical disc upon completion of the slide-in movement of the tray, and the convex portions guide or slide part of the flexible printed circuit board along the tip end surfaces of the convex portions in the direction of the slide-in movement of the tray when the part of the flexible printed circuit board comes into contact with the inner surface of the top cover during the slide-in movement of the tray. | 04-30-2009 |
20100031277 | TRAY OF OPTICAL DISK DEVICE AND OPTICAL DISK DEVICE INCLUDING THE SAME - A tray of an optical disk device and an optical disk device including the tray are provided. In a tray rear portion located at a higher level than a tray bottom portion, a first tapered surface as a draft taper and a second tapered surface sloping more gently than the first tapered surface are formed. An upper end of the second tapered surface is located farther from a center of rotation of an optical disk than a lower end, and thus air in a peripheral portion of the optical disk generated during rotation of the disk is introduced along the tapered surface to a rear. | 02-04-2010 |
Koji Matsumoto, Kanagawa JP
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20090175403 | REACTIVITY CONTROLLING APPARATUS AND FAST REACTOR - A fast reactor has a reactivity control assembly including a reactor shutdown rod of a backup reactor shutdown system and neutron absorbers to suppress the initial surplus reactivity, a reactor shutdown rod drive mechanism for releasing the reactor shutdown rod and units of neutron absorber drive mechanism capable of moving the respective neutron absorbers up and down. The reactor shutdown rod and the neutron absorbers are arranged in a wrapper tube. The reactor shutdown rod drive mechanism causes an inner extension tube to fall and release the reactor shutdown rod by means of a gripper section at the lowermost end of an outer extension tube by turning off the power supply to a holding magnet at the time of scram. Each of the units of neutron absorber drive mechanism has a dual tube type drive shaft including an outer extension shaft and an inner extension shaft. When grasping the neutron absorbers, the outer extension shaft is pulled up to allow both of the extension shafts to be inserted. After the outer extension tube gets to the handling head section of the neutron absorber, the outer extension shaft is pushed down to grasp the neutron absorber externally by means of the latch fingers of the gripper section thereof so that the neutron absorber can be moved up and down. | 07-09-2009 |
Koji Matsumoto, Kawasaki JP
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20090135513 | MAGNETIC RECORDING MEDIUM, MAGNETIC STORAGE AND METHOD FOR REPRODUCING INFORMATION FROM MAGNETIC RECORDING MEDIUM - A magnetic recording medium includes a first magnetic layer; and a second magnetic layer formed on the first magnetic layer. The first magnetic layer and the second magnetic layer make exchange coupling therebetween and also, have their magnetizing direction in anti-parallel to one another. A net residual area magnetization of the first magnetic layer and the second magnetic layer is expressed by the following formula: |Mr | 05-28-2009 |
20150245428 | LIGHTENING APPARATUS HAVING MATRIX-ARRANGED LIGHT-EMITTING ELEMENTS - A lightening apparatus includes light-emitting elements arranged in a matrix. One of the light-emitting elements is located at each intersection between at least two first reference voltage lines and “m” first drive voltage lines. A first reference voltage driver time-divisionally switches the first reference voltage lines. A first drive voltage driver supplies first luminous drive voltages to the first drive voltage lines. One of the light-emitting elements is located at each intersection between at least one second reference voltage line and “m” second drive voltage lines. A second reference voltage driver switches the second reference voltage line. A second drive voltage driver supplies second luminous drive voltages to the second drive voltage lines. | 08-27-2015 |
Koji Matsumoto, Ehime JP
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20080290551 | Spinning Pack for Dry-Wet Spinning, Diverting Guide for Fiber Bundle, and Apparatus and Method for Producing Fiber Bundle - A spinning pack for dry-wet spinning is provided with a spinneret having not less than 6,000 spinning holes and having an aspect ratio Ra of not less than 2.5 for a spinning hole array of the spinning holes. In a device and method for producing a fiber bundle, a drawing angle of single fibers formed by the single fibers and a spinneret surface of a spinneret is in a range from 87° to 92°, the single fibers being fibers discharged from the outermost spinning holes located in the long side direction of the spinneret and running to a fiber bundle diverting guide provided in a coagulation bath. Further, a drawing angle of single fibers formed by the single fibers and the spinneret surface of the spinneret is in a range from 83° to 87°, the single fibers being fibers discharged from the outermost spinning holes located in the short side direction of the spinneret and running to the fiber bundle diverting guide provided in the coagulation bath. | 11-27-2008 |
Koji Matsumoto, Yao-Shi JP
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20080280499 | Jack - A jack having enhanced reliability and strength against torsional forces is provided. The jack including a plug inlet for receiving a plug having at least one electrode formed thereon for electrical signals, comprises an elongated spring having a free end part with a pressing portion capable of pressing a side surface of the inserted plug, and a proximal end part fixed to the jack. The jack further comprises a retaining portion capable of contacting a first contact portion and a second contact portion arranged at opposite sides thereof along a direction of inserting the plug when the plug is inserted into the jack. | 11-13-2008 |
Koji Matsumoto, Okazaki-Shi JP
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20080210034 | Synchromesh automatic transmission - A synchromesh automatic transmission includes a lug lock portion which is engaged with a shift lug separately from a shift finger and enables a shift fork to be controlled so as to be located at a neutral position, a shift selector mechanism which achieves a target shift stage by engaging the shift finger with the shift lug of the shift fork corresponding to the target shift stage and displacing this shift fork in a shift direction, and an interlock mechanism which controls a shift fork that is different from the target shift stage so as to be located at a neutral position by displacing the lug lock portion following movement of the shift finger in a selection direction and engaging this lug lock portion with the shift lug of the shift fork that is different from the target shift stage. | 09-04-2008 |
Koji Matsumoto, Osaka JP
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20120129812 | NOVEL THYROID HORMONE BETA RECEPTOR AGONIST - Provided is a heterocyclic derivative showing a thyroid hormone β receptor agonist action, which is effective for the prophylaxis or treatment of the diseases relating to the action. A compound represented by the formula [I]: | 05-24-2012 |
20140095663 | SERVER FOR HOME APPLIANCE NETWORK SYSTEM | 04-03-2014 |
Koji Matsumoto, Saitama-Shi JP
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20120184587 | NOVEL PHENOL DERIVATIVE - Disclosed are a novel compound and a pharmaceutical product, each having a remarkable uricosuric effect. Specifically disclosed are: a novel phenol derivative represented by general formula (1) that is shown in FIG. | 07-19-2012 |
Koji Matsumoto, Kuala Lumpur MY
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20120311615 | OPTICAL DISK APPARATUS - An optical disk apparatus includes a tray mounting an optical disk and a casing which stores the tray so that the tray may be inserted into and ejected from the casing. The tray has a guide rail on at least one of parallel sides relative to the direction of tray insertion or ejection and for guiding the movement of tray in the direction of tray insertion or ejection. The casing has rail guides formed on a side section of the casing in opposition with the guide rails when the tray is inserted and for guiding the guide rail, and a spring member formed on a frontend of the rail guides in the direction of tray insertion or ejection to provide elastic deformation when a force toward the tray insertion direction is applied to the spring member. | 12-06-2012 |
20120331491 | OPTICAL DISC APPARATUS - An example of an optical disc apparatus includes a top case and a bottom case. The top case includes a tab extending downward from one end of the top case. The tab includes a protrusion protruding inward. The bottom case includes a lower-side folded portion formed by folding inward an upper end of one side surface of the bottom case. The lower-side folded portion includes a cantilever spring. The cantilever spring includes a spring portion extending in a vertical direction and a curved portion formed by folding inward an upper part of the spring portion. The protrusion comes into contact with the curved portion when the top case is being affixed to the bottom case and is in contact with the spring portion under a state where the top case is affixed to the bottom case. | 12-27-2012 |
20130139189 | DISK DRIVE DEVICE - A disk drive device that can prevent warping deformation in upward and downward directions of a disk tray and can prevent vibration in a warping deformation mode without producing a rattle vibration is provided. A disk drive device has a casing and a disk tray on which the spindle motor and the pickup are mounted; and a pair of parallel first and second guide mechanisms that slidably supports the disk tray so as to eject the disk tray from the casing to the outside. In the disk drive device, in a center part in a width direction along the disk mount surface of an introduction side distal end part of the disk tray, an introduction side abutment part having a groove section or a protruding portion is formed, and an inner part abutment part formed on an elastic member is installed on an inner side inner wall part. | 05-30-2013 |
20130276003 | OPTICAL DISC UNIT - A disadvantage is reduced in which a front panel of an optical disc unit tilts by a clearance (rattle) between the components and contacts with a body of a PC incorporating the unit to cause malfunction of insertion and ejection of discs. A disc tray is provided to move relative to rail guides attached to a bottom case of the optical disc unit via rails. The disc tray and rail guides have projection portions to contact with each other with stress. As a result, the clearance is reduced and the disadvantage due to the malfunction is reduced. The contact of the projection portions is close to point contact. The number of the contact positions is three or four. Support portions are provided to the rail guides to generate the stress. | 10-17-2013 |
Koji Matsumoto, Niigata JP
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20130271002 | DISCHARGE LAMP LIGHTING DEVICE, AND ILLUMINATION APPARATUS AND VEHICLE INCLUDING SAME - A discharge lamp lighting device light which drives a discharge lamp with an alternating power includes a DC-DC converter, an inverter, a voltage detector which detects an output voltage of the DC-DC converter, and a current detector which detects an output current of the DC-DC converter. The discharge lamp lighting device light further includes a controller controlling a switching frequency of the DC-DC converter according to a detection value of at least one of the voltage detector and the current detector; and a PWM ON signal controller increasing a DC power by lengthening an ON duty of a PWM signal during a predetermined period after a start of polarity inversion of the alternating power. When the voltage detector and/or the current detector detects a detection value, the controller changes an increase amount of the DC power according to the detection value. | 10-17-2013 |
20140028188 | DISCHARGE LAMP ELECTRONIC BALLAST LUMINAIRE AND VEHICLE WITH SAME - Discharge lamp electronic ballast includes DC-DC converter circuit for converting voltage of DC power supply to output DC power, inverter circuit for converting DC power into AC power to supply it to discharge lamp, output feedback control circuit for controlling DC-DC converter circuit, and inverter driving signal generator circuit for controlling inverter circuit. Ballast includes microcomputer having voltage detecting function for detecting voltage value of DC power supply, and ballast temperature detector circuit for detecting temperature of ballast. Microcomputer sets first time based on voltage value of DC power supply and detection result of ballast temperature detector circuit, and reduces power supplied to the discharge lamp if first time elapses from time point when lamp is started, thereby supplying lamp with power for stable operation. | 01-30-2014 |
Koji Matsumoto, Machida-Shi JP
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20140221437 | N-HETERO-RING-SUBSTITUTED AMIDE DERIVATIVE - Compounds having an excellent hypoglycemic effect and β cell- or pancreas-preserving effects or pharmaceutically acceptable salts thereof, and a pharmaceutical composition having an excellent therapeutic effect and/or prophylactic effect on type 1 diabetes, type 2 diabetes, and the like, which cause hyperglycemia due to abnormal glucose metabolism. A compound represented by general formula (I), or a pharmaceutically acceptable salt thereof, is disclosed. | 08-07-2014 |
Koji Matsumoto, Shibuya-Ku JP
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20150241690 | WAVELENGTH SELECTION SWITCH - A wavelength selection switch ( | 08-27-2015 |