Patents by Inventor Takuya Teranishi
Takuya Teranishi 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: 20210009776Abstract: A prepreg contains: a reinforcing fiber material; and a resin composition with which the reinforcing fiber material is impregnated. The resin composition contains an epoxy resin, an amine curing agent, and an imidazole curing agent. An amount of the amine curing agent is less than or equal to 3.8 parts by mass, relative to 100 parts by mass of the epoxy resin, and a sum of the amount of the amine curing agent and an amount of the imidazole curing agent is less than or equal to 10 parts by mass, relative to 100 parts by mass of the epoxy resin. The fiber-reinforced composite material is a cured product of the prepreg.Type: ApplicationFiled: July 10, 2020Publication date: January 14, 2021Applicant: Mitsubishi Chemical CorporationInventors: Takuya TERANISHI, Satoshi OKAMOTO, Akira OOTA, Masahiro ICHINO
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Publication number: 20200255614Abstract: Provided is a thermosetting resin composition which achieves both high heat resistance and high bending strength as a fiber-reinforced composite material, and also has rapid curability that enables high cycle press forming, thermal stability, and storage stability. The thermosetting resin composition of the present invention is a thermosetting resin composition comprising an epoxy resin, an epoxy resin curing agent, an imidazole compound, and an epoxy resin curing accelerator, in which the epoxy resin curing agent is dicyandiamide or a derivative thereof, and the epoxy resin curing accelerator comprises a urea derivative having two or more dimethylureido groups in a molecule.Type: ApplicationFiled: April 29, 2020Publication date: August 13, 2020Applicant: Mitsubishi Chemical CorporationInventors: Takuya Teranishi, Masahiro Ichino, Akira Oota
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Publication number: 20200212505Abstract: A battery pack includes cell units in which upper and lower battery cells are connected in series, wherein an output of series-connection and an output of parallel-connection can be switched. The cell units are respectively provided with protection circuit ICs for monitoring the state of the battery cells, and only the protection circuit on the lower cell unit side is provided with a controller 350 including a microcomputer. To adjust the power consumption for the microcomputer only provided in the lower cell unit, the circuit on the upper cell unit side is provided with a current consumption control means including dummy loads. The current consumption control means is operated in conjunction with the start-up of the microcomputer in the controller so as to equalize power consumption on the upper cell unit side and the lower cell unit side.Type: ApplicationFiled: May 30, 2018Publication date: July 2, 2020Applicant: Koki Holdings Co., Ltd.Inventors: Yasushi Nakano, Satoshi YAMAGUCHI, Hiroyuki HANAWA, Kazuhiko FUNABASHI, Tomomasa NISHIKAWA, Shota KANNO, Toshio Mizoguchi, Takuya Teranishi
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Publication number: 20200212414Abstract: An electric device capable of suppressing the short circuit between adjacent terminals is provided. The electric device includes a battery pack in which a plurality of battery-side terminals are provided and a device body in which device-side terminals are provided and to which the battery pack is detachably attached. One of the battery-side terminals and the device-side terminals are plate terminals protruding from a terminal holder, and the other of the battery-side terminals and the device-side terminals are connection terminals which protrude into slots in which the plate terminals are inserted and come into contact with the plate terminals. An insulating portion extending from the terminal holder toward a tip of the plate terminal and inserted into the slot is provided to at least one of the plate terminals.Type: ApplicationFiled: July 27, 2018Publication date: July 2, 2020Inventors: Shota TAKEUCHI, Takuya TERANISHI, Masayuki OGURA, Yusuke FUNABIKI, Junichi TOUKAIRIN
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Publication number: 20200180044Abstract: The electrical device comprises a common device main body having selectively and detachably attached thereto either a variable-voltage power supply device or a high-voltage power supply device. The device main body has: a protruding section that abuts a power supply-side main erroneous attachment prevention section provided in the variable-voltage power supply device and the high-voltage power supply device; a device-side main erroneous attachment prevention section that abuts the power supply-side main erroneous attachment prevention section provided in a low-voltage power supply device and prevents the low-voltage power supply device from abutting an attachment positioning section; and a device-side attachment pet' lifting section that can be combined in a power supply-side auxiliary erroneous attachment prevention section provided in the high-voltage power supply device.Type: ApplicationFiled: July 27, 2018Publication date: June 11, 2020Applicant: Koki Holdings Co., Ltd.Inventors: Yusuke FUNABIKI, Tomomasa NISHIKAWA, Takuya Teranishi, Masayuki Ogura
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Publication number: 20200161609Abstract: The electrical apparatus, in which a series connection state and a parallel connection state of an upper cell unit including five battery cells and a lower cell unit can be automatically switched by means of a difference in a terminal shape on the electrical apparatus body side, has a terminal holder and holds apparatus side terminals. The terminal holder, which establishes an electrically connected state with the connection terminals of the battery pack, is provided with two parallel protruding parts that extend in the forward-backward direction, and second rail grooves fitted to the protruding parts on the electrical apparatus side. Due to the fitting, relative movement of the terminal holder and the battery pack in the vertical direction can be suppressed, and wear on the apparatus side terminals can be greatly suppressed.Type: ApplicationFiled: June 29, 2018Publication date: May 21, 2020Applicant: Koki Holdings Co., Ltd.Inventors: Takuhiro Murakami, Tomomasa NISHIKAWA, Shinji Watanabe, Junpei SATO, Hikaru Tamura, Shota KANNO, Toshio Mizoguchi, Yasushi Nakano, Hiroyuki HANAWA, Kazuhiko FUNABASHI, Masayuki Ogura, Takuya Teranishi, Junichi Toukairin, Shota Takeuchi, Yusuke FUNABIKI
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Patent number: 10647828Abstract: This prepreg comprises reinforcing fibers and a matrix resin composition. The matrix resin composition comprises at least an epoxy resin (component (A)), a radical polymerizable unsaturated compound (component (B)), and a polymer formed by radical polymerization of the component (B) (component (E)).Type: GrantFiled: September 5, 2013Date of Patent: May 12, 2020Assignee: Mitsubishi Chemical CorporationInventors: Takuya Teranishi, Manabu Kaneko, Masahiro Ichino, Teppei Miura, Tadao Samejima, Akira Miyauchi, Kiharu Numata, Shouhei Mori, Masaki Kusumi
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Publication number: 20200140633Abstract: The invention provides an epoxy resin composition that is easily B-staged despite containing an epoxy resin inherently difficult to B-stage, has a long pot life, has excellent processability and storage stability after B-staging, and make it possible to obtain a fiber-reinforced composite material having excellent flexural strength and flexural modulus. A molding material, including a thickened product of an epoxy resin composition; and a reinforcing fiber; wherein the epoxy resin composition including: a component (A): an aromatic epoxy resin; a component (B): an alicyclic diamine; a component (C): an epoxy resin curing agent that is not an alicyclic diamine; and a component (D): an aliphatic epoxy resin, wherein, when the viscosity at 25° C. immediately after preparation of the epoxy resin composition is taken as (a) and the viscosity at 25° C. after three hours from the preparation is taken as (b), the epoxy resin composition satisfies: (a)=0.1 to 25 Pa·s; (b)=0.1 to 25 Pa·s; and (b)/(a)?5.Type: ApplicationFiled: August 27, 2018Publication date: May 7, 2020Applicant: Mitsubishi Chemical CorporationInventors: Akira OOTA, Masahiro ICHINO, Takuya TERANISHI, Mitsuru KUTSUWADA, Yusuke WATANABE, Natsumi MUKOUZAKA
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Publication number: 20200087506Abstract: A molding material that enables acquirement of a fiber-reinforced composite material which has excellent demoldability from a mold and excellent surface appearance, which contaminates a mold surface after molding less, and which has excellent mechanical properties and heat resistance; and a fiber-reinforced composite material which has excellent demoldability from a mold and surface appearance, which contaminates a mold surface after molding less, and which has excellent mechanical properties and heat resistance, are provided. A molding material of the present invention includes a component (A): an epoxy resin; a component (B): an epoxy resin curing agent; a component (C): a compound that has a solubility parameter of 11.2 or less and a melting point of 115° C. or lower; and a reinforcement fiber.Type: ApplicationFiled: November 19, 2019Publication date: March 19, 2020Applicant: Mitsubishi Chemical CorporationInventors: Akira OOTA, Masahiro Ichino, Takuya Teranishi, Yusuke Watanabe, Natsumi Mukouzaka
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Publication number: 20200055978Abstract: A sheet-molding compound comprising a thickened thermosetting resin composition and reinforcing fiber bundles. The thermosetting resin composition comprises components (A), (B) and (D). The content of component (D) is 10 parts by mass to 30 parts by mass with respect to 100 parts by mass of the total amount of epoxy resin. The final viscosity of the thickened thermosetting resin composition is 150 Pa·s to 20000 Pa·s, and the minimum viscosity is 2 Pa·s to 600 Pa·s, the final viscosity being higher than the minimum viscosity.Type: ApplicationFiled: October 16, 2019Publication date: February 20, 2020Applicant: Mitsubishi Chemical CorporationInventors: Akira OOTA, Masahiro Ichino, Takuya Teranishi, Tooru Kondou, Mitsuru Kutsuwada
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Publication number: 20200032047Abstract: A sheet molding compound which is a thickened material of an epoxy resin composition, including a component (A), a component (B), and a component (C), in which the component (A) is an epoxy resin staying at a liquid state at 25° C., the component (B) is an acid anhydride, the component (C) is an epoxy resin curing agent, and in the thickened material, at least some of epoxy groups of the component (A) and at least some of carboxy groups derived from the component (B) form ester.Type: ApplicationFiled: October 7, 2019Publication date: January 30, 2020Applicant: Mitsubishi Chemical CorporationInventors: Akira OTA, Masahiro ICHINO, Takuya TERANISHI
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Patent number: 10494475Abstract: A sheet-molding compound comprising a thickened thermosetting resin composition and reinforcing fiber bundles. The thermosetting resin composition comprises components (A), (B) and (D). The content of component (D) is 10 parts by mass to 30 parts by mass with respect to 100 parts by mass of the total amount of epoxy resin. The final viscosity of the thickened thermosetting resin composition is 150 Pa·s to 20000 Pa·s, and the minimum viscosity is 2 Pa·s to 600 Pa·s, the final viscosity being higher than the minimum viscosity.Type: GrantFiled: May 13, 2016Date of Patent: December 3, 2019Assignee: Mitsubishi Chemical CorporationInventors: Akira Oota, Masahiro Ichino, Takuya Teranishi, Tooru Kondou, Mitsuru Kutsuwada
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Publication number: 20190259985Abstract: In an upper cell unit (2146) and a lower cell unit (2147) comprising five battery cells, positive electrode terminals (2162, 2172) are set apart and aligned vertically, and negative electrode terminals (2167, 2177) are set apart and aligned vertically. When an electrical device body is rated at 36V, device-side terminals are in contact only at the upper terminals (2162, 2167), and short circuiting of the lower terminals (2172, 2177) is effected using a short bar 2059. When the electrical device body is rated at 18V, the upper and lower terminals (2162 and 2172, 2167 and 2177) are simultaneously made to contact the device-side terminals, and the upper cell unit (2146) and the lower cell unit (2147) assume a parallel connected state. Thus, it is possible to automatically switch the output voltage when a battery pack is mounted according to the difference in terminal shape on the electrical device body side.Type: ApplicationFiled: October 27, 2017Publication date: August 22, 2019Applicant: Koki Holdings Co., Ltd.Inventors: Hiroyuki HANAWA, Tomomasa NISHIKAWA, SHOTA KANNO, Toshio Mizoguchi, Yasushi Nakano, Kazuhiko FUNABASHI, Takuya Teranishi, Naoto Wakatabe, Shinji Watanabe, Junpei Sato, Hikaru Tamura, Nobuhiro TAKANO, Osamu Kawanobe, Hayato Yamaguchi, Akira Matsushita, Masaru Hirano, Takuhiro Murakami, Masayuki Ogura, Yusuke Funabiki, Junichi Toukairin, Shota Takeuchi
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Publication number: 20190259984Abstract: A battery pack houses first and second cell units that are composed of a plurality of cells, and has a positive electrode power source terminal and a negative electrode power source terminal. This battery pack is provided with a series connector capable of connecting, in series, the first and second cell units and a parallel connector capable of connecting, in parallel, the first and second cell units, and is capable of switching between a parallel connection voltage and a series connection voltage. In the case of attachment to the high voltage electrical device body, the series connector becomes conductive and the parallel connector pair is cut off by the action of the series/parallel switching terminal. In the case of attachment to a low voltage electrical device body, the state is returned to an initial state, the series connector is cut off, and the parallel connector pair becomes conductive.Type: ApplicationFiled: October 27, 2017Publication date: August 22, 2019Applicant: Koki Holdings Co., Ltd.Inventors: Tomomasa NISHIKAWA, Takuya Teranishi, Naoto Wakatabe, Akira Matsushita, Masaru Hirano, Osamu Kawanobe, Nobuhiro TAKANO, Shinji Watanabe, Hiroyuki HANAWA, Takuhiro Murakami, SHOTA KANNO, Junpei Sato, Hikaru Tamura, Hayato Yamaguchi, Toshio Mizoguchi, Yasushi Nakano, Kazuhiko FUNABASHI, Masayuki Ogura, Yusuke FUNABIKI, Junichi Toukairin, Shota Takeuchi
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Patent number: 10377022Abstract: A power tool which has an anvil 20 that is rotated by a hammer 22 and is housed in a housing, and rotates an output shaft 18 is provided. The anvil 20 and the output shaft 18 are integrally formed into one unit, and a carrier 33 that is rotatable relative to the anvil 20 by a predetermined angle on the same axis is provided. On one portion of an outer circumferential surface of the anvil 20, a relief surface 20a is formed. Cut-out portions 33b are formed at positions opposed to each other of a carrier 33, and by allowing an engaging pin 37 to be interposed therein, a locking mechanism that limits the relative rotation between the anvil 20 and a lock ring 38 is prepared. When the tool main body is manually rotated while the hammer 22 is being stopped, the engaging pin 37 limits the relative rotation between the anvil 20 and the lock ring 38. The locked state between the anvil 20 and the lock ring 38 is released immediately when the rotation of the motor 4 is started.Type: GrantFiled: April 23, 2013Date of Patent: August 13, 2019Assignee: KOKI HOLDINGS CO., LTD.Inventors: Keita Saitou, Shinichirou Satou, Tomomasa Nishikawa, Masanori Watanabe, Takuya Teranishi
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Patent number: 10370507Abstract: Provided are a carbon fiber thermoplastic resin prepreg which is a carbon fiber prepreg obtained by impregnating a PAN-based carbon fiber in which the average fiber fineness of a single fiber is 1.0 dtex to 2.4 dtex with a thermoplastic resin, wherein the thermoplastic resin satisfies 20?(FM/FS)?40 (where FM: flexural modulus (MPa) of a resin sheet comprising only the thermoplastic resin, and FS: flexural strength (MPa) of the resin sheet), a method for manufacturing the same, and a carbon fiber composite material employing the carbon fiber prepreg.Type: GrantFiled: April 27, 2017Date of Patent: August 6, 2019Assignee: Mistubishi Chemical CorporationInventors: Masao Tomioka, Takahiro Hayashi, Saki Fujita, Takeshi Ishikawa, Keigo Yoshida, Takuya Teranishi, Atsushi Takahashi, Kenichi Watanabe, Morio Katagiri, Akinobu Sasaki, Masahiro Oosuka, Hiroshi Tategaki, Takayuki Kobayashi
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Patent number: 10370506Abstract: Provided are a carbon fiber thermoplastic resin prepreg which is a carbon fiber prepreg obtained by impregnating a PAN-based carbon fiber in which the average fiber fineness of a single fiber is 1.0 dtex to 2.4 dtex with a thermoplastic resin, wherein the thermoplastic resin satisfies 20?(FM/FS)?40 (where FM: flexural modulus (MPa) of a resin sheet comprising only the thermoplastic resin, and FS: flexural strength (MPa) of the resin sheet), a method for manufacturing the same, and a carbon fiber composite material employing the carbon fiber prepreg.Type: GrantFiled: March 29, 2013Date of Patent: August 6, 2019Assignee: MITSUBISHI CHEMICAL CORPORATIONInventors: Masao Tomioka, Takahiro Hayashi, Saki Fujita, Takeshi Ishikawa, Keigo Yoshida, Takuya Teranishi, Atsushi Takahashi, Kenichi Watanabe, Morio Katagiri, Akinobu Sasaki, Masahiro Oosuka, Hiroshi Tategaki, Takayuki Kobayashi
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Patent number: 10363724Abstract: A resin composition including an epoxy resin (A), a curing agent (B), and vinyl polymer particles (C), in which the contained amount of epoxy resin (a1) having a molecular weight of 100-480 is 30-90 parts by mass per 100 parts by mass of the epoxy resin (A), the contained amount of epoxy resin (a2) having a molecular weight of 2,000-40,000 is 10-70 parts by mass per 100 parts by mass of the epoxy resin (A), the contained amount of the vinyl polymer particles (C) is 2-30 parts by mass per 100 parts by mass of the epoxy resin (A), and the instantaneous maximum thickening value of the vinyl polymer particles obtained by the following method is 0.3-5.0 Pa·s/° C.Type: GrantFiled: October 14, 2015Date of Patent: July 30, 2019Assignee: Mitsubishi Chemical CorporationInventors: Takuya Teranishi, Akira Oota, Masahiro Ichino, Toru Kondo
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Publication number: 20190185612Abstract: Provided is a thermosetting resin composition (C) of which curing can be started at a relatively low temperature in a short time and a cured product exhibits high heat resistance, the thermosetting resin composition (C) comprising an epoxy resin; an epoxy resin curing agent; and an epoxy resin curing accelerator, wherein the epoxy resin curing agent contains an imidazole-based curing agent 1 which is not encapsulated in a microcapsule and a curing agent 2 which is encapsulated in a microcapsule, and the epoxy resin curing accelerator comprises a urea derivative.Type: ApplicationFiled: February 21, 2019Publication date: June 20, 2019Applicant: Mitsubishi Chemical CorporationInventors: Takuya TERANISHI, Masahiro Ichino, Kazuhisa Ikeda, Akira Oota
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Publication number: 20180142057Abstract: A sheet-molding compound comprising a thickened thermosetting resin composition and reinforcing fiber bundles. The thermosetting resin composition comprises components (A), (B) and (D). The content of component (D) is 10 parts by mass to 30 parts by mass with respect to 100 parts by mass of the total amount of epoxy resin. The final viscosity of the thickened thermosetting resin composition is 150 Pa·s to 20000 Pa·s, and the minimum viscosity is 2 Pa·s to 600 Pa·s, the final viscosity being higher than the minimum viscosity.Type: ApplicationFiled: May 13, 2016Publication date: May 24, 2018Applicant: Mitsubishi Chemical CorporationInventors: Akira OOTA, Masahiro ICHINO, Takuya TERANISHI, Tooru KONDOU, Mitsuru KUTSUWADA