| Patent application number | Description | Published |
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| 20090315432 | METAL OXIDE, PIEZOELECTRIC MATERIAL AND PIEZOELECTRIC ELEMENT - Provided are a piezoelectric material without using lead or an alkali metal, the piezoelectric material having a stable crystal structure in a wide temperature range, high insulation property, and high piezoelectric property, and a piezoelectric element using the piezoelectric material, in which the piezoelectric material is made of a metal oxide having a tetragonal crystal structure and expressed by Ba(Si | 12-24-2009 |
| 20100025617 | METAL OXIDE - Provided is a piezoelectric material excellent in piezoelectricity. The piezoelectric material includes a perovskite-type complex oxide represented by the following General Formula (1). | 02-04-2010 |
| 20100040928 | POLYMER ELECTROLYTE MEMBRANE AND METHOD FOR PRODUCING POLYMER ELECTROLYTE MEMBRANE - The present invention can provide a polymer electrolyte membrane having power generation characteristics with a high output and long life and a polymer electrolyte fuel cell using the same. The present invention provides a polymer electrolyte membrane having a porous polymer film and a proton conducting component present in a hole of the porous polymer film, characterized in that the proton conducting component has a compound having a proton conducting group and a bicyclo ring structure. | 02-18-2010 |
| 20100208412 | FERROELECTRIC MATERIAL, METHOD OF PRODUCING FERROELECTRIC MATERIAL, AND FERROELECTRIC DEVICE - Provided are a ferroelectric material having good ferroelectricity and good insulation property, and a ferroelectric device using the ferroelectric material. In the present invention, the ferroelectric material includes a metal oxide having a perovskite-type crystal structure, in which: the metal oxide contains bismuth ferrite whose iron is substituted by manganese, and at least one of a copper oxide and a nickel oxide; the bismuth ferrite is substituted by manganese at a substitution ratio of 0.5 at. % or more to 20 at. % or less with respect to a total amount of iron and manganese; and at least one of the copper oxide and the nickel oxide is added in an amount of 0.5 mol % or more to 20 mol % or less with respect to the bismuth ferrite whose iron is substituted by manganese. | 08-19-2010 |
| 20100231095 | PIEZOELECTRIC MATERIAL, PIEZOELECTRIC DEVICE, AND METHOD OF PRODUCING THE PIEZOELECTRIC DEVICE - Provided are a bismuth-based piezoelectric material whose insulation property is improved while its performance as a piezoelectric body is not impaired and a piezoelectric device using the piezoelectric material. The piezoelectric material includes a perovskite-type metal oxide represented by the following general formula (1): | 09-16-2010 |
| 20110079883 | FERROELECTRIC THIN FILM - Provided is a ferroelectric thin film formed on a substrate and having an amount of remanent polarization increased in its entirety. The ferroelectric thin film contains a perovskite-type metal oxide formed on a substrate, the ferroelectric thin film containing a column group formed of multiple columns each formed of a spinel-type metal oxide, in which the column group is in a state of standing in a direction perpendicular to a surface of the substrate, or in a state of slanting at a slant angle in a range of −10° or more to +10° or less with respect to the perpendicular direction. | 04-07-2011 |
| 20110128327 | PIEZOELECTRIC CERAMIC, METHOD FOR MAKING THE SAME, PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, AND ULTRASONIC MOTOR - A piezoelectric ceramic that includes barium titanate and 0.04 mass % or more and 0.20 mass % or less manganese relative to barium titanate. The piezoelectric ceramic is composed of crystal grains. The crystal grains include crystal grains A having an equivalent circular diameter of 30 μm or more and 300 μm or less and crystal grains B having an equivalent circular diameter of 0.5 μm or more and 3 μm or less. The crystal grains A and the crystal grains B individually form aggregates and the aggregates of the crystal grains A and the aggregates of the crystal grains B form a sea-island structure. | 06-02-2011 |
| 20110193451 | MANUFACTURING METHOD FOR PREFERENTIALLY-ORIENTED OXIDE CERAMICS, PREFERENTIALLY-ORIENTED OXIDE CERAMICS, PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, ULTRASONIC MOTOR, AND DUST REMOVING DEVICE - Provided is a manufacturing method for preferentially-oriented oxide ceramics having a high degree of crystal orientation. The manufacturing method includes: obtaining slurry containing an oxide crystal B having magnetic anisotropy; applying a magnetic field to the oxide crystal B, and obtaining a compact of the oxide crystal B; and subjecting the compact to oxidation treatment to obtain preferentially-oriented oxide ceramics including a compact of an oxide crystal C having a crystal system that is different from a crystal system of one of a part and a whole of the oxide crystal B. By (1) reacting raw materials, (2) reducing the oxide crystal A, or (3) keeping the oxide crystal A at high temperature and quenching the oxide crystal A, the oxide crystal B is obtained to be used in the slurry. | 08-11-2011 |
| 20110221302 | BISMUTH IRON OXIDE POWDER, MANUFACTURING METHOD FOR THE BISMUTH IRON OXIDE POWDER, DIELECTRIC CERAMICS, PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, AND ULTRASONIC MOTOR - Provided is a lead-free dielectric ceramics having a low leakage current value, and a bismuth iron oxide powder as a raw material thereof. The bismuth iron oxide powder includes at least: (A) grains including a bismuth iron oxide having a perovskite-type crystal structure; (B) grains including a bismuth iron oxide having a crystal structure classified to a space group Pbam; and (C) grains including a bismuth iron oxide or a bismuth oxide having a crystal structure that is classified to a space group I23. The dielectric ceramics are made of bismuth iron oxide in which the bismuth iron oxide crystals having the crystal structure classified to the space group Pbam are distributed at a grain boundary of crystal grains of the bismuth iron oxide crystals having the perovskite-type crystal structure. | 09-15-2011 |
| 20110268965 | PIEZOELECTRIC MATERIAL - Provided is a piezoelectric material having a high Curie temperature and satisfactory piezoelectric characteristics, the piezoelectric material being represented by the following general formula (1): | 11-03-2011 |
| 20120032557 | VIBRATION GENERATING DEVICE, DRIVING METHOD THEREFOR, FOREIGN SUBSTANCE REMOVING DEVICE, AND OPTICAL DEVICE - Provided is a vibration generating device in which more improvement of drive efficiency can be realized than conventional ones. The vibration generating device includes: a piezoelectric element including a piezoelectric material interposed between electrodes; a vibration member; a power source for applying an alternating voltage to the piezoelectric element; and a control section for controlling a frequency of the alternating voltage applied by the power source, in which the control section controls the frequency of the alternating voltage applied to the piezoelectric element so that the resonance frequency of the piezoelectric element is successively changed from low frequency side to high frequency side in a frequency range including a change range of a resonance frequency of the piezoelectric element. | 02-09-2012 |
| 20120037842 | ANTI-THERMALLY-EXPANSIVE RESIN AND ANTI-THERMALLY-EXPANSIVE METAL - Provided are resin-based and metal-based anti-thermally-expansive members each having small thermal expansion. More specifically, provided are an anti-thermally-expansive resin and an anti-thermally-expansive metal, each including a resin or a metal having a positive linear expansion coefficient at 20° C. and a solid particle dispersed in the resin or metal, in which the solid particle includes at least an oxide represented by the following general formula (1): (Bi | 02-16-2012 |
| 20120040196 | THERMAL EXPANSION SUPPRESSING MEMBER AND ANTI-THERMALLY-EXPANSIVE MEMBER - Provided are a thermal expansion suppressing member having negative thermal expansion properties and a metal-based anti-thermally-expansive member having small thermal expansion. More specifically, provided are a thermal expansion suppressing member, including at least an oxide represented by the following general formula (1), and an anti-thermally-expansive member, including a metal having a positive linear expansion coefficient at 20° C., and a solid body including at least an oxide represented by the following general formula (1), the metal and solid being joined to each other: (Bi | 02-16-2012 |
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| 20080209071 | Network relay method, network relay apparatus, and network relay program - According to an aspect of an embodiment, a method of relaying by network between a plurality of terminal devices and a relay device, comprising:
| 08-28-2008 |
| 20100115587 | Authentication system and terminal authentication apparatus - After checking a receiving message appearing on an output device, a network administrator inputs an authentication result to a setting terminal using an input device, such as a keyboard. Upon receiving the authentication result from the network administrator, the setting terminal registers, if the received authentication result is permission to access a network device, a MAC address of a traveling employee's terminal that is the sender of the authentication request in the network device as an access permitted terminal. After the registering in the network device is completed, the setting terminal sends the authentication result indicative of permission to access the network device to the employee's terminal, i.e., the sender of the authentication request. | 05-06-2010 |
| 20100118710 | NETWORK FAILURE DETECTING METHOD AND DEVICE - A network failure detecting method for detecting a failure of a network including a number of transferring devices by tracing data flow rates of the transferring devices based on physical topologies of the transferring devices for the network, composing a group of the transferring devices adjacent to one another, data flow rates of which have failed to be obtained, as one virtual transferring device; and replacing physical topologies of the group of the transferring devices adjacent to one another, data flow rates of which have failed to be obtained, with a physical topology of the composed virtual transferring device. | 05-13-2010 |
| 20100241715 | METHOD OF REALIZING UNIQUENESS ASSURANCE AND METHOD OF DETERMINING MESSAGE DESTINATION - A method of realizing uniqueness assurance includes: selecting a server to which a first message is to be transferred from multiple servers and transferring the first message to the selected server when the first message is received from a terminal apparatus by a load sharing apparatus; storing a second message that should be transferred to the same server as that of the first server when the second message is received from the terminal apparatus by the load sharing apparatus after the first message is transferred; generating uniqueness assurance information corresponding to the communication protocols corresponding to a session generated by the server to which the first message is transferred, the uniqueness assurance information indicating the correspondence between the session and the message corresponding to the session; and transferring the second message in accordance with the generated uniqueness assurance information if the stored second message exits. | 09-23-2010 |
| 20110185039 | COMPUTER-READABLE MEDIUM STORING ACCESS CONTROL PROGRAM, ACCESS CONTROL METHOD, AND ACCESS CONTROL DEVICE - An access control device causes an information processing device to execute access control between a client device and two or more server devices. The device receives an open request for causing the information processing device to open the port of a port number that is a port number to be transmitted to the client device according to completion of one process of a plurality of processes to be executed on a first server device which is one of the two or more server devices. The device generates information for data transfer for opening the port of the port number based on information for identifying the first server device which transmitted the open request, which is included in the received open request. The device transmits the generated information for data transfer to the information processing device. | 07-28-2011 |
| 20110185398 | ACCESS CONTROL SYSTEM AND ACCESS CONTROL METHOD - A system including a providing unit that provides a virtual-desktop-service selected on the basis of an identification information acquired from the terminal apparatus, and sends a message that includes an address of the providing unit and an address of an application program booted by a process of the virtual-desktop-service, a storage unit that stores the identification information associated with the address of the providing unit and an access control information associated with a set of a identification information and an address of an application program, and a relay unit that receives a message sent by the providing unit, acquires an identification information associated with a source address included in the received message, acquires an access control information associated with a set of the acquired identification information and a destination address included in the received message, and controls relaying the message depending on the acquired access control information. | 07-28-2011 |
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| 20080233277 | PIEZOELECTRIC THIN FILM, METHOD OF MANUFACTURING PIEZOELECTRIC THIN FILM, PIEZOELECTRIC ELEMENT, AND INK JET RECORDING HEAD - There is disclosed a piezoelectric thin film having less non-uniform portion and holding satisfactory piezoelectric characteristics, a method of manufacturing the film, a piezoelectric element using the piezoelectric thin film, and an ink jet system recording head using the piezoelectric element. In the piezoelectric thin film of perovskite crystals formed on a substrate by a sol-gel process and represented by a general formula Pb | 09-25-2008 |
| 20090022954 | FILM AND ANTIREFLECTION FILM HAVING FINE IRREGULARITIES ON SURFACE, PRODUCTION METHOD FOR THE SAME, AND OPTICAL MEMBER USING THE SAME - A transparent antireflection film, including fine irregularities mainly composed of alumina, and a transparent thin film layer supporting the fine irregularities, in which the transparent thin film layer contains at least one selected from the group consisting of zirconia, silica, titania, and zinc oxide. A production method for the aforementioned transparent antireflection film, including: forming a multicomponent film using an application liquid containing at least one compound selected from the group consisting of a zirconium compound, a silicon compound, a titanium compound, and a zinc compound, and at least an aluminum compound; and subjecting the multicomponent film to warm water treatment. | 01-22-2009 |
| 20090124040 | FIELD EFFECT TRANSISTOR, METHOD OF PRODUCING THE SAME, AND METHOD OF PRODUCING LAMINATED MEMBER - There is provided a field effect transistor having an organic semiconductor layer, including: an organic semiconductor layer containing at least porphyrin; and a layer composed of at least a polysiloxane compound, the layer being laminated on the organic semiconductor layer so as to be in intimate contact with the organic semiconductor layer. As a result, there can be provided a field effect transistor which enables an organic semiconductor layer having high crystallinity and high orientation to be formed and which exhibits a high mobility. | 05-14-2009 |
| 20100203423 | DIRECT METHANOL FUEL CELL LIQUID FUEL WITH WATER AND METHANOL AND DIRECT METHANOL FUEL CELL CARTRIDGE - There is provided a direct methanol fuel cell liquid fuel including methanol and water to be supplied to an anode of a direct methanol fuel cell, in which an electrical resistance of the liquid fuel is 5×10 | 08-12-2010 |
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| 20110124824 | DISPERSION COMPOSITION, POLYMERIZABLE COMPOSITION, LIGHT-SHIELDING COLOR FILTER, SOLID-STATE IMAGE PICK-UP ELEMENT, LIQUID CRYSTAL DISPLAY DEVICE, WAFER LEVEL LENS, AND IMAGE PICK-UP UNIT - A dispersion composition is provided in which the dispersibility of titanium black is high, the sedimentation of titanium black over time is suppressed, and overall dispersibility and storage stability are high. Further, a polymerizable composition is provided in which favorable coating property on a substrate and even film thickness can be obtained, generation of residue in an unexposed region when a pattern is formed can be suppressed, and favorable pattern shape having any steps after exposure/development can be obtained. The dispersion composition contains (A) titanium black, (B) a graft copolymer and (C) a solvent. | 05-26-2011 |
| 20110279759 | DISPERSED COMPOSITION, POLYMERIZABLE COMPOSITION, LIGHT SHIELDING COLOR FILTER, LIQUID CRYSTAL DISPLAY DEVICE HAVING LIGHT SHIELDING COLOR FILTER, SOLID-STATE IMAGING DEVICE, WAFER-LEVEL LENS, AND IMAGING UNIT HAVING WAFER LEVEL LENS - The invention provides a dispersed composition including: (A) titanium black; (B) a polymer compound including a constituent component having a side chain structure to which an acidic group is linked via a linking group; and (C) a solvent. The (B) polymer compound is a polymer having a structure in which an acidic group is linked to a main chain part via a linking group. | 11-17-2011 |
