Patents by Inventor Takaaki Tamura
Takaaki Tamura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240079722Abstract: A method of producing an all-solid-state battery comprises preparing a second slurry which is a solid electrolyte slurry, and applying the second slurry to a foundation layer using a die head to form a solid electrolyte layer. A pressure P of the second slurry and a viscosity ? of the second slurry inside the die head at a predetermined shear rate satisfy a relationship of P/4?<4. The foundation layer has a porosity within a range of 30% to 50%.Type: ApplicationFiled: June 2, 2023Publication date: March 7, 2024Applicants: Toyota Jidosha Kabushiki Kaisha, Panasonic Holdings CorporationInventors: Kazuya OTSU, Akio Kaneyama, Takaaki Tamura
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Publication number: 20240055611Abstract: The electrode material in an aspect of the present disclosure includes an active material, a conductive fiber including a carbon material, and a binder including an elastomer. The elastomer is a hydrogenated product and includes a repeating unit having an aromatic ring. The content rate of the repeating unit in the elastomer is 15 mass % or more.Type: ApplicationFiled: October 25, 2023Publication date: February 15, 2024Inventors: TAKAAKI TAMURA, TATSUYA OSHIMA
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Publication number: 20230395772Abstract: A method of producing a slurry composition includes the following (a) to (c): (a) forming a binder solution by mixing a binder with a solvent; (b) filtering the binder solution to form a filtrate; and (c) producing a slurry composition by mixing the filtrate with a solid electrolyte.Type: ApplicationFiled: May 30, 2023Publication date: December 7, 2023Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, Panasonic Holdings CorporationInventors: Yasutaka TSUTSUI, Takaaki TAMURA
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Publication number: 20230253558Abstract: There is provided a negative electrode layer that is used in an all-solid state battery, containing lithium titanate and a sulfide solid electrolyte, in which a moisture amount contained in the lithium titanate is 25 ppm or more and 547 ppm or less.Type: ApplicationFiled: February 3, 2023Publication date: August 10, 2023Inventors: Akio MITSUI, Yasunari SUGITA, Takaaki TAMURA, Shinichirou OOTANI
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Publication number: 20230231122Abstract: There is provided an electrode layer for an all-solid state battery, which contains an electrode active material and a sulfide solid electrolyte, where the sulfide solid electrolyte has an average particle diameter of less than 1 µm and the electrode layer contains an imidazoline-based dispersion material.Type: ApplicationFiled: October 28, 2022Publication date: July 20, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Akio MITSUI, Yasunari SUGITA, Kenji NAGAO, Izuru SASAKI, Yasutaka TSUTSUI, Takaaki TAMURA, Hiroki KAMITAKE
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Publication number: 20230207777Abstract: A negative electrode layer that is used for an all-solid-state battery includes: lithium titanate; a sulfide solid electrolyte; and a rubber binder. The ratio of the amount A of the rubber binder adsorbed on the lithium titanate to the total content B of the rubber binder in the negative electrode layer is 1.35% or less.Type: ApplicationFiled: October 11, 2022Publication date: June 29, 2023Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, PANASONIC HOLDINGS CORPORATIONInventors: Akio MITSUI, Aiko NAGANO, Yasunari SUGITA, Takaaki TAMURA, Yasutaka TSUTSUI
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Publication number: 20230064131Abstract: A battery includes a power-generating element having at least one unit cell including an electrode layer, a counter-electrode layer, and an electrolyte layer located between the electrode layer and the counter-electrode layer and an insulating member covering the power-generating element. The insulating member includes a first member that includes a first principal surface covering portion covering a first principal surface of the power-generating element and a second member, joined to the first member, that includes a second principal surface covering portion covering a second principal surface of the power-generating element opposite to the first principal surface. A junction between the first member and the second member overlaps a side surface of the power-generating element when seen from a direction perpendicular to the side surface. An elastic modulus of the first member is higher than an elastic modulus of the second member.Type: ApplicationFiled: October 13, 2022Publication date: March 2, 2023Inventors: TAKAAKI TAMURA, KAZUHIRO MORIOKA, SEIJI NISHIYAMA, AKIRA KAWASE
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Publication number: 20230024599Abstract: A battery includes an electrode layer, a counter-electrode layer placed opposite to the electrode layer, and a solid electrolyte layer located between the electrode layer and the counter-electrode layer. The electrode layer includes a collector, an electrode active material layer located between the collector and the solid electrolyte layer, and an insulating layer located between the collector and the solid electrolyte layer and bonded to the collector at ends of the electrode layer. The electrode active material layer has a region that does not overlap the insulating layer in plan view. The battery has an air gap, the air gap being located between the collector and the solid electrolyte layer and being contact with the insulating layer.Type: ApplicationFiled: October 5, 2022Publication date: January 26, 2023Inventors: TAKAAKI TAMURA, KAZUHIRO MORIOKA, AKIRA KAWASE
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Patent number: 10947748Abstract: A reinforcement structure includes compound trusses placed horizontally symmetrically, and each compound truss is constituted by a first truss and a second truss. Each first truss has: a vertical side; a first inclined side extending obliquely downward from an upper end of the vertical side; and a second inclined side connecting between the vertical side and a lower end of the first inclined side. Each second truss shares the first inclined side with the first truss and has: a horizontal side extending horizontally from the upper end of the vertical side; and a second inclined side connecting between a tip end of the horizontal side and the lower end of the first inclined side. Each compound truss is coupled to the construction in a state where the vertical side is along an inner side surface of the construction and the horizontal side is along a ceiling surface of the construction.Type: GrantFiled: March 15, 2018Date of Patent: March 16, 2021Assignee: TRINITY INDUSTRIAL CORPORATIONInventors: Shigeki Fujiwara, Takaaki Tamura, Masayuki Miyake
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Patent number: 10907368Abstract: A reinforcement structure includes compound trusses placed horizontally symmetrically, and each compound truss is constituted by a first truss and a second truss. Each first truss has: a vertical side; a first inclined side extending obliquely downward from an upper end of the vertical side; and a second inclined side connecting between the vertical side and a lower end of the first inclined side. Each second truss shares the first inclined side with the first truss and has: a horizontal side extending horizontally from the upper end of the vertical side; and a second inclined side connecting between a tip end of the horizontal side and the lower end of the first inclined side. Each compound truss is coupled to the construction in a state where the vertical side is along an inner side surface of the construction and the horizontal side is along a ceiling surface of the construction.Type: GrantFiled: March 15, 2018Date of Patent: February 2, 2021Assignee: TRINITY INDUSTRIAL CORPORATIONInventors: Shigeki Fujiwara, Takaaki Tamura, Masayuki Miyake
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Patent number: 10622122Abstract: An object of the present disclosure is to provide a chip resistor capable of suppressing degradation of long-term reliability, and a method for producing the chip resistor. The chip resistor of the present disclosure includes resistance member formed of metal, and a pair of electrodes respectively formed on both ends of first main surface of resistance member. The chip resistor further includes first protective film formed on second main surface located on a rear side of first main surface of resistance member, second protective film formed on first main surface of resistance member and between the pair of electrodes, and a third protective film formed on a side surface parallel to a direction of a current flowing between the pair of electrodes of resistance member. The side surface of resistance member is provided with a protrusion that protrudes outward when viewed along the current flowing direction.Type: GrantFiled: November 30, 2017Date of Patent: April 14, 2020Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Yasuharu Kinoshita, Takaaki Tamura
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Publication number: 20200087938Abstract: A reinforcement structure includes compound trusses placed horizontally symmetrically, and each compound truss is constituted by a first truss and a second truss. Each first truss has: a vertical side; a first inclined side extending obliquely downward from an upper end of the vertical side; and a second inclined side connecting between the vertical side and a lower end of the first inclined side. Each second truss shares the first inclined side with the first truss and has: a horizontal side extending horizontally from the upper end of the vertical side; and a second inclined side connecting between a tip end of the horizontal side and the lower end of the first inclined side. Each compound truss is coupled to the construction in a state where the vertical side is along an inner side surface of the construction and the horizontal side is along a ceiling surface of the construction.Type: ApplicationFiled: March 15, 2018Publication date: March 19, 2020Applicant: TRINITY INDUSTRIAL CORPORATIONInventors: Shigeki FUJIWARA, Takaaki TAMURA, Masayuki MIYAKE
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Publication number: 20200051716Abstract: An object of the present disclosure is to provide a chip resistor capable of suppressing degradation of long-term reliability, and a method for producing the chip resistor. The chip resistor of the present disclosure includes resistance member (11) formed of metal, and a pair of electrodes (12) respectively formed on both ends of first main surface (11a) of resistance member (11). The chip resistor further includes first protective film (13) formed on second main surface (11b) located on a rear side of first main surface (11a) of resistance member (11), second protective film (14) formed on first main surface (11a) of resistance member (11) and between the pair of electrodes (12), and a third protective film formed on a side surface parallel to a direction of a current flowing between the pair of electrodes (12) of resistance member (11). The side surface of resistance member (11) is provided with a protrusion that protrudes outward when viewed along the current flowing direction.Type: ApplicationFiled: November 30, 2017Publication date: February 13, 2020Inventors: YASUHARU KINOSHITA, TAKAAKI TAMURA
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Patent number: 6372117Abstract: A tin/copper alloy electroplating solution capable of forming a bright plating film in a wide electric current density range is provided. The electroplating solution is a cyanide-free aqueous solution containing an organosulfonic acid, divalent tin and copper salts, as metal salts, of the organosulfonic acid, a dispersant, and a brightener.Type: GrantFiled: July 5, 2000Date of Patent: April 16, 2002Assignee: Nippon MacDermid Co., Ltd.Inventor: Takaaki Tamura
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Patent number: 6331240Abstract: A tin/indium alloy plating solution not containing any cyanide and serving as a substitute for tin/lead alloy plating is provided. The tin/indium alloy plating solution is a weakly alkaline aqueous solution for tin/indium alloy electroplating, prepared by adding, as metal salts, a tetravalent tin salt of metastannic acid and a trivalent indium salt of an organosulfonic acid, further adding a chelating agent, and adjusting the pH of the aqueous solution to a value of 7 to 11 with a caustic alkali.Type: GrantFiled: September 15, 2000Date of Patent: December 18, 2001Inventors: Kyoko Tsunoda, Takaaki Tamura
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Patent number: 6312536Abstract: A hot-dip galvanized steel sheet having both high strength and good formability. A process for producing said hot-dip galvanized steel sheet without requiring additional steps of surface grinding and pre-plating. The hot-dip galvanized steel sheet is produced by forming a hot-dip galvanizing layer on a base cold-rolled steel sheet composed of C (0.02-0.20 mass %), Mn (1.50-2.40 mass %), Cr (0.03-1.50 mass %), Mo (0.03-1.50 mass %), 3Mn+6Cr+Mo (no more than 8.1 mass %), Mn+6Cr+10 Mo (no less than 3.5 mass %), Al (0.010-0.150 mass %), and Fe as the principal component, with Ti limited to 0.01 mass % or less, Si limited to 0.04 mass % or less, P limited to 0.060 mass % or less, and S limited to 0.030 mass % or less, and said base steel sheet having the composite microstructure composed mainly of ferrite and martensite.Type: GrantFiled: May 2, 2000Date of Patent: November 6, 2001Assignee: Kabushiki Kaisha Kobe Seiko ShoInventors: Yoshinobu Omiya, Takaaki Tamura
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Patent number: 5833737Abstract: Krypton present in a trace amount in a gaseous oxygen/nitrogen mixture is effectively enriched by an adsorption/desorption process of the pressure variation mode using a system including at least three fixed bed adsorption columns packed with hydrogenated mordenite. At the end of adsorption operation in one column, a desorbed gas from another column is fed to the one column under substantially the same pressure as the pressure during adsorption operation for fully washing the one column. Thereafter, the one column is subject to desorption operation.Type: GrantFiled: May 20, 1997Date of Patent: November 10, 1998Assignee: Institute of Research and InnovationInventors: Takaaki Tamura, Mikio Kumagai
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Patent number: 5534649Abstract: This invention relates to a process for preparing dialkyl carbonates by the reaction of one kind or a mixture of two or more kinds selected from urea, methyl carbamate and ethyl carbamate with methanol and/or ethanol in the presence of a catalyst under pressure at 100.degree. to 250.degree. C. and the process does not use poisonous phosgene or carbon monoxide as raw material and readily yields dimethyl carbonate and diethyl carbonate in simple equipment.Type: GrantFiled: December 29, 1994Date of Patent: July 9, 1996Assignees: Tama Chemicals Co., Ltd., Moses Lake Industries, Inc.Inventors: Tsurahide Cho, Takaaki Tamura, Toshitsura Cho, Kazumi Suzuki
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Patent number: 5041272Abstract: A method for removing nitrogen oxides from exhaust gases containing oxygen and moisture, which comprises bringing the exhaust gas into contact with hydrogenated zeolite catalysts or hydrogenated zeolite catalysts impregnated with one or more kinds of metals selected from the group consisting of copper, zinc, vanadium, chromium, manganese, iron, cobalt, nickel, rhodium, palladium, platinum, and molybdenum, in the presence of organic compounds. The zeolite should be a zeolite having a silica/alumina ratio of 5 or above. The zeolite may be any one of zeolite of Y type, zeolite of L type, zeolite of offretite-erionite mixed crystal type, zeolite of ferrierite type, zeolite of mordenite type, zeolite of clinoptilolite type, and zeolite of ZSM-5 type.Type: GrantFiled: March 19, 1991Date of Patent: August 20, 1991Assignee: Institute of Research and InnovationInventors: Takaaki Tamura, Mikio Kumagai, Akimichi Katsuta
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Patent number: 4652537Abstract: There is provided a process for producing a catalyst to convert carbon monoxide in a gas into carbon dioxide. The process comprises causing activated carbon to absorb an aqueous solution of chloroplatinic acid, reducing the absorbed chloroplatinic acid to platinum with a reducing agent, and decomposing an excess of the reducing agent with hydrogen peroxide. The catalyst contains at least 6 mg of platinum per gram of activated carbon.Type: GrantFiled: October 25, 1985Date of Patent: March 24, 1987Assignee: Industrial Research InstituteInventors: Takaaki Tamura, Norihiko Fujita, Toshio Kawanishi, Chihiro Matsuura