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Hideaki Fujita

Hideaki Fujita, Shiki-Gun JP

Patent application numberDescriptionPublished
20100001175IMAGING DEVICE - A shutter (01-07-2010
20110043684Imaging device and method of producing the same - An imaging device comprises: a lens housing on which lens groups are mounted and which has a first opening opened along an optical axis direction of the lens groups; and a drive housing on which a drive source for moving the lens groups in the optical axis direction is mounted and which has a drive-use opening to be communicated with the first opening of the lens housing. The lens housing and the drive housing are combined together so as to be separable from each other in a state that the first opening and the drive-use opening are communicated with each other.02-24-2011
20110050987LENS UNIT AND IMAGING DEVICE - A lens unit having a first lens (03-03-2011

Patent applications by Hideaki Fujita, Shiki-Gun JP

Hideaki Fujita, Kyoto JP

Patent application numberDescriptionPublished
20100247991BATTERY AND METHOD FOR PRODUCING THE SAME - It is possible to ensure welding of an exposed portion of an electrode core member protruding from one end surface of an electrode group to a desired connection portion of a current collector plate by constituting a battery wherein an end portion of a first electrode is protruding from an end portion of a second electrode and an end portion of a separator on one end surface of an electrode group, the protruding end portion of the first electrode includes an exposed portion of a first electrode core member, the exposed portion of the first electrode core member is welded to a connection portion on one surface of the first current collector plate, and an insulating layer is formed in an area except for a reverse face portion of the connection portion on the other surface of the first current collector plate.09-30-2010
20100310938NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention mainly relates to non-aqueous electrolyte secondary batteries. The present invention intends to provide a non-aqueous electrolyte secondary battery having excellent cycle characteristics and excellent storage characteristics.12-09-2010
20110008661LITHIUM ION SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - A lithium ion secondary battery of the invention includes an electrode structure including an electrode group composed of a strip-shaped laminate or winding including a positive electrode in which a positive electrode active material layer is attached to a positive electrode current collector, a negative electrode, and a separator; a positive electrode current collector plate including aluminum foil; and a negative electrode current collector plate electrically connected to the negative electrode. The positive electrode has, at one longitudinally extending end edge of the laminate, a positive electrode current collector-exposed portion protruding beyond the negative electrode. The positive electrode current collector plate is electrically connected to the positive electrode by applying a non-corrosive flux containing a fluoride to at least one of the positive electrode current collector-exposed portion and the positive electrode current collector plate, and then welding the positive electrode current collector plate to the positive electrode current collector-exposed portion.01-13-2011
20110033750POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode active material for a non-aqueous electrolyte secondary battery of the present invention includes composite oxide particles including lithium, nickel, and an element M, the element M being at least one of aluminum and cobalt. The composite oxide particles include primary particles and each particle of the primary particles includes a surface portion and an inner portion. A content of the element M in the surface portion is higher than a content of the element M in the inner portion, and a proportion of the primary particles relative to all of the composite oxide particles is 80 to 100 wt %. According to the invention, a positive electrode active material for a non-aqueous electrolyte secondary battery that has excellent cycle characteristics and storage characteristics and is suitable for use in a wide range of the state of charge and in a high-temperature environment and a non-aqueous electrolyte secondary battery using the same can be obtained.02-10-2011
20110189518NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides a high-output, and long-life nonaqueous electrolyte secondary battery. The nonaqueous electrolyte secondary battery includes: an electrode group which is formed by winding a positive electrode 08-04-2011

Hideaki Fujita, Nara JP

Patent application numberDescriptionPublished
20100246034Lens Unit and Lens Driving Apparatus - First to third guide members have first to third axis lines, and the first to third axis lines are arranged in parallel with each other. A first lens holder has a first lens held by a first lens holding portion with a first main sliding portion guided by sliding on the first guide member, and a first sub sliding portion guided by sliding on the third guide member. A second lens holder has a second lens held coaxially with the first lens by a second lens holding portion with a second main sliding portion guided by sliding on the second guide member, and a second sub sliding portion guided by the third guide member.09-30-2010

Patent applications by Hideaki Fujita, Nara JP

Hideaki Fujita, Tokyo JP

Patent application numberDescriptionPublished
20100014335THREE-PHASE POWER CONVERTING APPARATUS - A three-phase inverter circuit (01-21-2010
20100232191POWER CONDITIONER AND SOLAR PHOTOVOLTAIC POWER GENERATION SYSTEM - A first circuit generates a first sequence of square wave voltages having a voltage level that changes to a positive side relative to a first reference potential, which is a potential on a negative-electrode side of a direct current power source, from a direct current voltage. A second circuit generates a second sequence of square wave voltages having a voltage level lower than the voltage level of the first sequence of square wave voltages on the positive side that changes to a negative side relative to a second reference potential. The second chopper circuit further generates a third sequence of square wave voltages having a voltage level that changes to the positive and negative side in turns in the manner of sinusoidal wave relative to the first reference potential by summing the first sequence of square wave voltages and the second sequence of square wave voltages. A third circuit outputs the third sequence of square wave voltages as a charge/discharge output. The third circuit further PWM-controls the charge/discharge output so that a difference of the third sequence of square wave voltages to a sinusoidal wave voltage is corrected and thereby generates a sinusoidal wave voltage that continuously changes to the positive and negative sides relative to the first reference potential from the third sequence of square wave voltages and the PWM-controlled output, and outputs the generated sinusoidal wave voltage to a load.09-16-2010
20100232192POWER CONVERSION APPARATUS, POWER CONDITIONER, AND POWER GENERATION SYSTEM - A first chopper circuit generates a first sequence of square wave voltages having a voltage level that changes to a positive side by chopping a direct current voltage at a system frequency. A second chopper circuit generates a second sequence of square wave voltages having a voltage level that changes to a negative side by chopping a direct current voltage at a frequency twice as high as the system frequency. The second chopper circuit further generates a third sequence of square wave voltages having a voltage level that changes to the positive and negative side in turns in the manner of sinusoidal wave by summing the first sequence of square wave voltages and the second sequence of square wave voltages. A third chopper circuit chops the third sequence of square wave voltages at a frequency determined by a timing that depends on if a voltage difference thereof to a sinusoidal wave voltage results in a positive value or a negative value and outputting the chopped third sequence of square wave voltages as a charge/discharge output. The third chopper circuit PWM-controls the charge/discharge output at a PWM frequency so that the difference is corrected to thereby generate a sinusoidal wave voltage that continuously changes to the positive and negative sides.09-16-2010
20110128763POWER CONVERTING APPARATUS - A power converting apparatus is provided with three sets of half-bridge inverters (06-02-2011

Hideaki Fujita, Nagoya-Shi JP

Patent application numberDescriptionPublished
20100216242Cell culture support and production method and uses thereof - The present teachings provide a practical cell culture support by which a cell culture with a high degree of freedom can be realized. More specifically, the cell culture support includes a polymer layer exhibiting thermoresponsiveness and a cell culture region obtained by plasma-treating a surface layer portion thereof with a reactive gas, whereby a cell culture support having thermoresponsiveness and cellular adhesiveness while avoiding or limiting the use of cell adhesion factors is provided.08-26-2010

Hideaki Fujita, Okayama JP

Patent application numberDescriptionPublished
20100016629PROCESS FOR PRODUCTION OF TEREPHTHALIC ACID - The invention provides a method for producing terephthalic acid, characterized by including subjecting a p-phenylene compound to liquid-phase oxidation reaction by use of a molecular-oxygen-containing gas in the presence of a catalyst at least containing a heavy metal compound and a bromine compound, and hydrous acetic acid having a water content of 1 to 15 mass %, to thereby yield a slurry; regulating the temperature of the slurry to 35 to 140° C., to thereby cause terephthalic acid to precipitate; removing the terephthalic acid through solid-liquid separation, to thereby recover a mother liquor; and recovering the catalyst from the mother liquor through a series of the following steps (1) to (4) for reusing at least a portion of the catalyst in the liquid-phase oxidation reaction: (1) an adsorption step including regulating the ratio “amount by mole of bromide ions in the mother liquor/total amount by mole of heavy metal ions in the mother liquor” to 0.6 to 3, and then exposing the mother liquor to a pyridine-ring-containing chelate resin which has been heated to 35 to 140° C., so that the resin adsorbs catalyst-derived heavy metal ions and bromide ions, and also adsorbs a carboxylic acid mixture which has been by-produced through the liquid-phase oxidation reaction, (2) an elution step (A) of exposing hydrous acetic acid having a water content of 1 to 15 mass % to the pyridine-ring-containing chelate resin which has undergone the adsorption step, thereby yielding an eluate containing the by-produced carboxylic acid mixture, (3) an elution step (B) of exposing water or hydrous acetic acid having a water content of 20 mass % or more to the pyridine-ring-containing chelate resin which has undergone the elution step (A), thereby yielding an eluate containing catalyst-derived heavy metal ions and bromide ions, and (4) a displacement step of exposing hydrous acetic acid having a water content of 1 to 15 mass % to the pyridine-ring-containing chelate resin which has undergone the elution step (B), serving as a displacement liquid, thereby regenerating the resin.01-21-2010
20100048943PROCESS FOR PRODUCTION OF ISOPHTHALIC ACID - The invention provides a method for producing isophthalic acid, characterized by including subjecting a m-phenylene compound to liquid-phase oxidation reaction by use of a molecular-oxygen-containing gas in the presence of a catalyst at least containing a heavy metal compound and a bromine compound, and hydrous acetic acid having a water content of 1 to 15 mass %, to thereby yield a slurry; regulating the temperature of the slurry to 35 to 140° C., to thereby cause isophthalic acid to precipitate; removing the isophthalic acid through to solid-liquid separation to thereby recover a mother liquor; and recovering the catalyst from the mother liquor through a series of the following steps (1) to (4) for reusing at least a portion of the catalyst in the liquid-phase oxidation reaction: (1) an adsorption step including regulating the ratio “amount by mole of bromide ions in the mother liquor/total amount by mole of heavy metal ions in the mother liquor” to 0.3 to 3, and then exposing the mother liquor to a pyridine-ring-containing chelate resin which has been heated to 35 to 140° C., so that the resin adsorbs catalyst-derived heavy metal ions and bromide ions, and also adsorbs a carboxylic acid mixture which has been by-produced through the liquid-phase oxidation reaction, (2) an elution step (A) of exposing hydrous acetic acid having a water content of 1 to 15 mass % to the pyridine-ring-containing chelate resin which has undergone the adsorption step, thereby yielding an eluate containing the by-produced carboxylic acid mixture, (3) an elution step (B) of exposing water or hydrous acetic acid having a water content of 20 mass % or more to the pyridine-ring-containing chelate resin which has undergone the elution step (A), thereby yielding an eluate containing catalyst-derived heavy metal ions and bromide ions, and (4) a displacement step of exposing hydrous acetic acid having a water content of 1 to 15 mass % to the pyridine-ring-containing chelate resin which has undergone the elution step (B), serving as a displacement liquid, thereby regenerating the resin.02-25-2010
20110213180PROCESS FOR PRODUCTION OF ISOPHTHALIC ACID - A method for producing isophthalic acid, comprising: 09-01-2011
20110213181PROCESS FOR PRODUCTION OF TEREPHTHALIC ACID - A method for producing terephthalic acid comprising: 09-01-2011

Patent applications by Hideaki Fujita, Okayama JP

Hideaki Fujita, Nara-Ken JP

Patent application numberDescriptionPublished
20090207300Lens Driving Device and Imaging Device - A contact portion 08-20-2009

Hideaki Fujita, Yokohama-Shi JP

Patent application numberDescriptionPublished
20080315803HYBRID ELECTRIC VEHICLE - A hybrid electric vehicle includes, in one example, a motor-generator driven by an engine to generate alternating current, wherein the motor-generator is further configured to start the engine, a motor for driving the vehicle, a diode rectifier to rectify alternating current generated by the motor-generator, an inverter connected to a feed circuit between the diode rectifier and the motor to convert direct current in the feed circuit into alternating current, a power supply connected to a line connecting the diode rectifier with the inverter, a first feed circuit to supply current to the motor to drive the vehicle through the diode rectifier and the inverter in series a second feed circuit to connect the motor-generator with the power supply while bypassing at least the diode rectifier, and an alternating current converter provided in the second feed circuit.12-25-2008
20080315817CONTROL SYSTEM FOR A HYBRID ELECTRIC VEHICLE AND A METHOD FOR CONTROLLING A HYBRID ELECTRIC VEHICLE - A control system and method for a hybrid electric vehicle. One example control system includes a current calculating module to calculate a current, the current being at least one of a current to drive a motor of the vehicle and a current generated by the motor, and a feed controller to selectively implement a first mode when the calculated current is below a predetermined current value and to selectively implement a second mode when the calculated current is more than the predetermined current value, wherein either the first feed circuit or the second feed circuit is used in the first mode and both the first feed circuit and the second feed circuit are used in the second mode.12-25-2008

Hideaki Fujita, Sendai-Shi JP

Patent application numberDescriptionPublished
20080299086Cultured muscle cells with high metabolic activity and method for production of the cultured muscle cells - The object of the present invention is to provide a method of preparing excellent cultured muscle cells having high metabolic capacity and insulin responsiveness, and further provide a method for the measurement of sensitive metabolic capacity using the cells. Moreover, its purpose is to provide a culture system/culture apparatus that can smoothly translocate such highly advanced cultured muscle cells intact to activity evaluation systems of a number of drugs. Moreover, the object of the present invention is to provide cultured muscle cells that are very suitable for measurement of the membrane-translocation activity of GLUT4 in an extraneous stimulus-dependent manner such as insulin, etc., and to provide a method for the measurement of the membrane-translocation activity of GLUT4 using the cells. The present invention is a method of preparing myotube cells, comprising a step (1) of culturing myoblast cells, a step (2) of differentiation-inducing the myotube cells into the myoblast cells in a culture medium with a high content of amino acids, and a step (3) of applying an electric pulse to the differentiation-induced myotube cells, and a method for the measurement of insulin-dependent sugar uptake using the myotube cells prepared by said method, and relates to the method for the measurement, comprising applying insulin stimulation by culturing the cells in a culture medium containing insulin, culturing the cells in the culture medium further supplemented with sugar, and measuring the sugar uptake. Furthermore, the present invention relates to a differentiation-type culture myotube cell constitutively expressing a recombinant GLUT4 having a labeled substance at its extra-cellular site, which is prepared by co-culturing wild-type myoblast cells and recombinant myoblast cells constitutively expressing said recombinant GLUT4, and a method for the measurement of membrane-translocation activity of the recombinant GLUT4 using the cells, and particularly a method for the measurement of insulin-dependent sugar uptake activity.12-04-2008

Hideaki Fujita, Kyotanabe-Shi JP

Patent application numberDescriptionPublished
20110217590ELECTRODE BODY FOR USE IN NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - In an electrode body for use in non-aqueous electrolyte secondary battery, a first end of a separator is located more interiorly than one positive electrode end of a positive electrode plate in a width direction, located more exteriorly than one end of a coated positive electrode portion of the positive electrode plate, and located more exteriorly than one end of a coated negative electrode portion of a negative electrode plate. The first end of the separator is thicker than an intermediate portion. A second end of the separator is located more interiorly than an other negative electrode end of the negative electrode plate in the width direction, located more exteriorly than the other end of the coated positive electrode portion of the positive electrode plate, and located more exteriorly than an other end of the coated negative electrode portion of the negative electrode plate. The second end of the separator is thicker than the intermediate portion.09-08-2011