Patents by Inventor Takahiro Nishimura
Takahiro Nishimura 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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Patent number: 11377531Abstract: A prepreg contains components [A] to [E], wherein 85% by mass or more of the component [E] is present in a range within 9% of the average thickness of the prepreg from each surface of the prepreg, and a range within 7% of the average thickness of the prepreg from each surface of the prepreg is composed of a first resin composition containing components [B] to [E]. [A] a carbon fiber, [B] an epoxy resin having two or more glycidyl groups in one molecule, [C] an aromatic amine compound, [D] a thermoplastic resin having a polyarylether skeleton, and [E] particles having a number average primary particle size of 5 to 50 ?m, having a content ratio (% by mass) of thermoplastic resin and thermosetting resin of 95:5 to 70:30.Type: GrantFiled: November 14, 2018Date of Patent: July 5, 2022Assignee: TORAY INDUSTRIES, INC.Inventors: Bon Aizawa, Ryuichi Kitahara, Takahiro Nishimura, Shinji Kochi, Naoya Takeda
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Patent number: 11267209Abstract: Provided is a molded body with a hollow portion comprising tetrafluoroethylene and perfluoro(alkyl vinyl ether) copolymer, which is obtained by heat treating a molded body with a hollow portion obtained by melt molding tetrafluoroethylene and perfluoro(alkyl vinyl ether) copolymer having a melt flow rate of 0.1 to 100 g/10 min when measured with a load of 5 kg and a measurement temperature of 372±0.1° C. in accordance with ASTM D1238. The heat treatment is carried out at a temperature from 130° C. below the melting point of the copolymer to the melting point of the copolymer. The molded body exhibits excellent blister resistance when utilized in contact with harsh chemicals and under harsh operating conditions.Type: GrantFiled: December 18, 2015Date of Patent: March 8, 2022Assignee: CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.Inventors: Takahiro Nishimura, Hitomi Nishimura, Chorong Jeong
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Publication number: 20220033636Abstract: Provided is a melt processible fluororesin composition for injection molding of articles that has melt flow that facilitates injection molding, that can enhance strength of a fluororesin weld line area in an injection molded article, and that achieves excellent release from a mold. The fluororesin composition includes two or more types of melt processible fluororesins having different melt flow rates; one of the melt processible fluororesins being a high melt flow rate melt processible fluororesin having a melt flow rate of 35 g/10 min or greater, and another being a low melt flow rate melt processible fluororesin having a melt flow rate of 10 g/10 min or greater but less than 35 g/10 min; and wherein the ratio of the melt flow rate (MFRa) of the high MFR melt processible fluororesin to the melt flow rate (MFRb) of the low MFR melt processible fluororesin (MFRa/MFRb) is from 1 to 10.Type: ApplicationFiled: October 19, 2021Publication date: February 3, 2022Inventors: Takahiro NISHIMURA, Toshiki KITAGAWA
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Patent number: 11236226Abstract: Provided is a melt processible fluororesin composition for injection molding of articles that has melt flow that facilitates injection molding, that can enhance strength of a fluororesin weld line area in an injection molded article, and that achieves excellent release from a mold. The fluororesin composition includes two or more types of melt processible fluororesins having different melt flow rates; one of the melt processible fluororesins being a high melt flow rate melt processible fluororesin having a melt flow rate of 35 g/10 min or greater, and another being a low melt flow rate melt processible fluororesin having a melt flow rate of 10 g/10 min or greater but less than 35 g/10 min; and wherein the ratio of the melt flow rate (MFRa) of the high MFR melt processible fluororesin to the melt flow rate (MFRb) of the low MFR melt processible fluororesin (MFRa/MFRb) is from 1 to 10.Type: GrantFiled: June 4, 2019Date of Patent: February 1, 2022Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Takahiro Nishimura, Toshiki Kitagawa
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Patent number: 10991529Abstract: An object is to enhance direct-current insulating performance of a gas-blast circuit breaker. The gas-blast circuit breaker includes: a pair of main contacts disposed in a gas tank to face each other and configured to operate for opening and closing a circuit; a pair of arc contacts disposed to face each other and configured to operate for opening and closing the circuit, the arc contacts being disposed coaxially with the main contacts at locations close to the centers of the main contacts, respectively; and an elastic electrically conductive material disposed on an outer surface of an insulating nozzle facing an inner surface of one of the main contacts.Type: GrantFiled: August 3, 2018Date of Patent: April 27, 2021Assignee: Hitachi, Ltd.Inventors: Hideyuki Kotsuji, Jun Nukaga, Makoto Hirose, Takahiro Nishimura
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Publication number: 20210082644Abstract: A movable main contact; a movable arc contact; a puffer cylinder including the movable main contact; a hollow rod that is arranged inside the puffer cylinder, includes the movable arc contact, and has an inner space through which an insulating gas flows; a thermal puffer chamber surrounded by the puffer cylinder and the hollow rod; an insulating cover that is provided to the hollow rod, and covers the movable arc contact; an insulating nozzle provided to the puffer cylinder; and a cylindrical flow guide extending in the axial direction are included. The flow guide is installed in the thermal puffer chamber, positioned on the outer circumference side of the hollow rod, and connected to the insulating nozzle. The space between the flow guide and the hollow rod is connected to the space between the insulating nozzle and the insulating cover, and serves as a flow path of the insulating gas.Type: ApplicationFiled: July 30, 2020Publication date: March 18, 2021Inventors: Hideyuki KOTSUJI, Hajime URAI, Masanao TERADA, Takahiro NISHIMURA, Yuichiro YAMANE
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Publication number: 20210074496Abstract: To attempt to reduce the sizes of apparatuses while ensuring insulation performance with simpler configurations. In a gas circuit breaker according to the present invention, a high-temperature-gas guiding section is provided at an axial-end section of a fixed main conductor that is connected to a fixed lead conductor connected to a power system, and that has an open section for discharging an insulating gas having an increased temperature and an increased pressure due to an arc produced at the time of interruption. The high-temperature-gas guiding section has a plurality of holes for discharging, into a filled container, a high-temperature gas produced by heating the insulating gas filling the filled container, and is formed such that the directions of the plurality of holes are oblique to the axial direction of the fixed main conductor.Type: ApplicationFiled: July 22, 2020Publication date: March 11, 2021Inventors: Masanori ISHIKAWA, Eiji ISHII, Takahiro NISHIMURA
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Publication number: 20210047228Abstract: A mold release lubricant application equipment 4 comprises application portions 30A,30B for applying a mold release lubricant to glass bottle forming molds 10, 18, and an application control portion 31 for operating the application portions 30A,30B. Molds 10,18 are arranged independently along a predetermined arrangement direction A1. A plurality of sections 5 comprising molds 10, 18 are formed along the arrangement direction A1. The application portions 30A, 30B comprise lubricant application parts 38A, 38B for applying the mold release lubricant, a transport mechanisms 33A, 33B for moving the lubricant application parts 38A,38B among the plurality of the sections along the arrangement direction A1, and sensors 42A, 42B.Type: ApplicationFiled: December 27, 2019Publication date: February 18, 2021Applicant: Nihon Yamamura Glass Co., Ltd.Inventors: Ryusuke KAWAHARA, Shota ISHIGURO, Takahiro NISHIMURA, Ryu WADA, Kunikazu OONISHI, Hiroshi IKEDA, Hiroshi NAKAJIMA, Masahiro SETO
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Patent number: 10916394Abstract: A gas circuit breaker includes a gas suppresser composed of a protruded portion which is formed on a horizontal surface facing an exhaust cylinder of a shaft guide and which forms a gap between itself and the exhaust cylinder and an enlarged portion which is adjacent to the protruded portion and where a gap to the exhaust cylinder is enlarged so that the shaft guide, which operates along an inner circumferential surface of the exhaust cylinder, which is provided to an inner circumferential portion of a movable side main conductor and is provided to outer circumferences of an exhaust shaft and an operation rod, and couples the operation rod with the exhaust shaft, is axially adjacent to a sliding member that slides along the exhaust cylinder with no space to the exhaust cylinder and suppresses discharge of heated and pressurized insulating gas.Type: GrantFiled: July 30, 2018Date of Patent: February 9, 2021Assignee: Hitachi, Ltd.Inventors: Toshiaki Sakuyama, Hajime Urai, Masanao Terada, Ryoichi Shiobara, Takahiro Nishimura, Makoto Hirose, Yuichiro Yamane
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Patent number: 10908615Abstract: An autonomous mobile robot includes a target acquisition unit which acquires a target by using an image obtained by an imaging unit whose field of view is able to be changed, a target movement prediction unit which predicts the destination of the target by using the image of the target, an obstacle movement prediction unit which predicts the destination of an obstacle by using an image of the obstacle, an occlusion determination unit which determines whether or not the target is occluded by the obstacle from result of the prediction by the target movement prediction unit and result of the prediction by the obstacle movement prediction unit, and a target tracking unit which changes the field of view of the imaging unit so that the area of the target coming into the field of view increases in the case where it is determined that at least a part of the target is occluded by the obstacle.Type: GrantFiled: February 15, 2018Date of Patent: February 2, 2021Assignee: NEC CORPORATIONInventor: Takahiro Nishimura
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Patent number: 10879139Abstract: A first portion of an element-side terminal of a semiconductor element includes a projection. A second portion of the case-side terminal of a case includes a recess which comes into contact with a projection. The projection includes a first end surface and a second end surface continuous with the top surface. The recess includes a first lateral surface which is in continuous with a bottom surface and is in contact with the first end surface, and a second lateral surface which is in contact with the bottom surface and is in contact with the second end surface. As viewed from a lateral wall side, the first end surface and the first lateral surface are inclined in a first direction, and the second end surface and the second lateral surface are inclined in a second direction intersecting the first direction.Type: GrantFiled: July 17, 2019Date of Patent: December 29, 2020Assignee: Mitsubishi Electric CorporationInventor: Takahiro Nishimura
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Patent number: 10851014Abstract: This invention eliminates the need for a manual work of applying a mold release lubricant to blow molds and bottom molds by workers and reduces a burden on workers involved in the mold release lubricant application work while also increasing the safety of workers during mold release lubricant application, reducing downtime associated with the mold release lubricant application work, reducing changes in the mold release lubricant application locations and variations in amount of application for the blow molds, and, furthermore, contributing to a glass bottle quality stabilization. The application equipment (40) for applying the mold release lubricant is structured to apply the mold release lubricant to at least either a part of blow mold forming surfaces (31f) provided on the blow molds (31), or the entire surface of bottom mold forming surfaces (32f) provided on the bottom molds (32) located in the lower part of a finish molds (31), or both.Type: GrantFiled: March 30, 2020Date of Patent: December 1, 2020Assignee: NIHON YAMAMURA GLASS CO., LTD.Inventors: Ryusuke Kawahara, Takahiro Nishimura, Ryu Wada, Kunikazu Ohnishi, Hiroshi Ikeda, Hiroshi Nakajima, Shota Ishiguro
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Publication number: 20200299476Abstract: In the case of producing a fiber-reinforced composite material having excellent impact resistance by using an automatic lay up device, to provide a prepreg that can be layed up without adhesion and deposition of a part of the reinforced fibers or matrix resin in the device.Type: ApplicationFiled: November 14, 2018Publication date: September 24, 2020Applicant: TORAY INDUSTRIES, INC.Inventors: Bon AIZAWA, Ryuichi KITAHARA, Takahiro NISHIMURA, Shinji KOCHI, Naoya TAKEDA
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Publication number: 20200279704Abstract: An object is to enhance direct-current insulating performance of a gas-blast circuit breaker. The gas-blast circuit breaker includes: a pair of main contacts disposed in a gas tank to face each other and configured to operate for opening and closing a circuit; a pair of arc contacts disposed to face each other and configured to operate for opening and closing the circuit, the arc contacts being disposed coaxially with the main contacts at locations close to the centers of the main contacts, respectively; and an elastic electrically conductive material disposed on an outer surface of an insulating nozzle facing an inner surface of one of the main contacts.Type: ApplicationFiled: August 3, 2018Publication date: September 3, 2020Inventors: Hideyuki KOTSUJI, Jun NUKAGA, Makoto HIROSE, Takahiro NISHIMURA
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Publication number: 20200279705Abstract: While lowering sliding resistance of an exhaust cylinder and reducing effects on a circuit breaking operation, an amount of high temperature and high pressure gas discharged into an insulating support cylinder is reduced, and both ground insulation performance and circuit breaking performance are improved.Type: ApplicationFiled: July 30, 2018Publication date: September 3, 2020Inventors: Toshiaki SAKUYAMA, Hajime URAI, Masanao TERADA, Ryoichi SHIOBARA, Takahiro NISHIMURA, Makoto HIROSE, Yuichiro YAMANE
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Publication number: 20200255323Abstract: This invention eliminates the need for a manual work of applying a mold release lubricant to blow molds and bottom molds by workers and reduces a burden on workers involved in the mold release lubricant application work while also increasing the safety of workers during mold release lubricant application, reducing downtime associated with the mold release lubricant application work, reducing changes in the mold release lubricant application locations and variations in amount of application for the blow molds, and, furthermore, contributing to a glass bottle quality stabilization. The application equipment (40) for applying the mold release lubricant is structured to apply the mold release lubricant to at least either a part of blow mold forming surfaces (31f) provided on the blow molds (31), or the entire surface of bottom mold forming surfaces (32f) provided on the bottom molds (32) located in the lower part of a finish molds (31), or both.Type: ApplicationFiled: March 30, 2020Publication date: August 13, 2020Applicant: NIHON YAMAMURA GLASS CO., LTD.Inventors: Ryusuke KAWAHARA, Takahiro NISHIMURA, Ryu WADA, Kunikazu OHNISHI, Hiroshi IKEDA, Hiroshi NAKAJIMA, Shota ISHIGURO
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Patent number: 10699863Abstract: In order to solve the above-described problems, a gas circuit breaker of the present invention has an insulating nozzle disposed so as to cover an inner surface of a coupling member such that an end surface of the coupling member and an end surface of the insulating nozzle form one surface (the end surface of the coupling member is flush with the end surface of the insulating nozzle), in order to suppress contact between a high-temperature and high-pressure gas generated by an arc and the coupling member coupling the insulating nozzle and a driving rod.Type: GrantFiled: February 14, 2019Date of Patent: June 30, 2020Assignee: Hitachi, Ltd.Inventors: Toshiaki Sakuyama, Masanao Terada, Hajime Urai, Yuichiro Yamane, Takahiro Nishimura
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Publication number: 20200139604Abstract: Provided is a melt processible fluororesin molded article with reduced metal ions after molding (eluted metal ions) and submicron size fine particles. The melt processible fluororesin molded article has an amount of eluted Ni ions (in pg/cm2) and amount of eluted Cr ions (in pg/cm2) and amount of eluted Mo ions (in pg/cm2) in a test solution after eluting for 20 hours at 60° C. using 12% nitric acid, quantitatively analyzed by the ICP (induced coupled plasma) mass analysis method, satisfy the following formula: 0.5?1?[(M1+M2)/(M1+M2+M3)]<1, wherein M1 refers to the eluted Cr ion amount (in pg/cm2), M2 refers to the eluted Mo ion amount (in pg/cm2), and M3 refers to the eluted Ni ion amount (in pg/cm2).Type: ApplicationFiled: June 22, 2018Publication date: May 7, 2020Applicant: CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.Inventors: Hiromasa Yabe, Takahiro Nishimura
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Publication number: 20200114563Abstract: A PFA molded article of a copolymer (PFA) of tetrafluoroethylene (TFE) and perfluoro(alkylvinyl ether) (PAVE), the content of the PAVE therein being from 1 to 10% by mol, characterized in that the PFA molded article has a flex life value of not less than 2,000,000 times, a zero share viscosity of from 10,000 to 20,000 Pa·s, and a heating weight loss of not more than 0.05% by weight, and a process for the production thereof. The PFA molded article has a high flex life value, a low heating weight loss and a low zero share viscosity yet maintaining excellent mechanical properties such as tensile strength, etc., and can be produced in good yields.Type: ApplicationFiled: June 26, 2017Publication date: April 16, 2020Applicant: CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.Inventors: Hitomi NISHIMURA, Takahiro NISHIMURA, Bangjia LIN
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Publication number: 20200083127Abstract: A first portion of an element-side terminal of a semiconductor element includes a projection. A second portion of the case-side terminal of a case includes a recess which comes into contact with a projection. The projection includes a first end surface and a second end surface continuous with the top surface. The recess includes a first lateral surface which is in continuous with a bottom surface and is in contact with the first end surface, and a second lateral surface which is in contact with the bottom surface and is in contact with the second end surface. As viewed from a lateral wall side, the first end surface and the first lateral surface are inclined in a first direction, and the second end surface and the second lateral surface are inclined in a second direction intersecting the first direction.Type: ApplicationFiled: July 17, 2019Publication date: March 12, 2020Applicant: Mitsubishi Electric CorporationInventor: Takahiro NISHIMURA