Patents by Inventor Tatsuya Nagai
Tatsuya Nagai 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: 20190248944Abstract: [Problem] To provide a conductive resin composition for electrodes which is excellent in dispersibility and oxidation resistance. To provide: an electrode composition employing the conductive resin composition for electrodes and having a low viscosity; an electrode employing the electrode composition and having a low electrode plate resistance; and a lithium ion battery having a high energy density, high output characteristics and a high cyclability.Type: ApplicationFiled: July 14, 2017Publication date: August 15, 2019Applicant: Denka Company LimitedInventors: Tatsuya NAGAI, Takuya NARUTOMI, Tetsuya ITO, Hiroshi YOKOTA
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Publication number: 20190198879Abstract: Provided is a conductive composition for electrodes, the conductive composition having excellent electrical conductivity and dispersibility. Also provided are: a positive electrode for non-aqueous batteries, the positive electrode using the conductive composition and having low electrode plate resistance and excellent binding properties; and a non-aqueous battery having high energy density, high output characteristics, and high cycle characteristics. The conductive composition for electrodes contains a conductive material, an active material, a binder, and a dispersant, wherein the conductive material contains carbon black and a multi-walled carbon nanotube having a powder resistivity of 0.035 ??cm or less as measured under a load of 9.8 MPa, and a median volumetric diameter D50 value, which is as a measure of dispersibility, in the range of 0.Type: ApplicationFiled: July 3, 2017Publication date: June 27, 2019Inventors: Tatsuya NAGAI, Yoko HORIKOSHI, Hitoshi KANEKO, Hiroshi YOKOTA
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Publication number: 20190179981Abstract: A processing unit sets a condition for running a structural analysis simulation of an object, in association with first design data corresponding to the object; identifies, when the first design data is updated according to a design change of the object, a corresponding relationship between regions each included in the first design data and second design data, which corresponds to the object modified with the design change, based on coordinate information included in the first design data and coordinate information included in the second design data; and setting, based on the identified corresponding relationship, the condition in association with the second design data and running the structural analysis simulation of the modified object.Type: ApplicationFiled: November 29, 2018Publication date: June 13, 2019Applicant: FUJITSU LIMITEDInventors: Takanori Negishi, Tatsuya Nagai, Nobuaki Ikuta
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Publication number: 20190177551Abstract: An object of the present invention is to provide a carbon black for batteries having excellent dispersibility, electron conductivity and oxidation resistance. In addition, an object of the present invention is to provide a low-viscosity conductive composition for an electrode produced using the carbon black, and a low-resistance battery electrode and a battery having excellent high-output characteristics and cycle characteristics produced using the conductive composition. A carbon black for batteries having: BET specific surface area of 50 to 220 m2/g; a crystallite diameter (La) of 30 to 42 ?; and a number of CO2 desorption molecules per unit surface area measured by a temperature-rising desorption gas analysis method (50° C. to 1200° C. of measurement temperature) of 8.0×1016 to 15.0×1016 molecules/m2 is excellent in dispersibility, electron conductivity and oxidation resistance.Type: ApplicationFiled: August 8, 2017Publication date: June 13, 2019Applicant: DENKA COMPANY LIMITEDInventors: Tatsuya Nagai, Shinichiro Osumi, Daiki Ikeda, Tetsuya Ito, Hiroshi Yokota
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Patent number: 10239399Abstract: A beltline sealing member includes a block portion that comes into contact with a glass run to assemble the beltline sealing member in a normal position in the longitudinal direction of the beltline sealing member.Type: GrantFiled: February 2, 2017Date of Patent: March 26, 2019Assignee: NISHIKAWA RUBBER CO., LTD.Inventors: Atsuo Masumoto, Masahiro Morioka, Masaki Motodera, Daisuke Nakazato, Tatsuya Nagai, Yusuke Migaki, Hisatoshi Kinoshita
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Patent number: 10220691Abstract: It is an object of the present disclosure to improve installation workability by reducing the risk of installation failures of a belt line sealing member in the case where a vertical glass run and a sealing member are installed separately to a door panel. A belt line sealing member 20 includes a panel insertion groove 24 opening downward. The belt line sealing member 20 includes an end portion provided with a stopper portion 51 reducing the risk of rim portions 111a and 111b of a notch 111 of an inner peripheral flange 109 entering the panel insertion groove 24.Type: GrantFiled: February 2, 2017Date of Patent: March 5, 2019Assignees: NISHIKAWA RUBBER CO., LTD., MAZDA MOTOR CORPORATIONInventors: Atsuo Masumoto, Masahiro Morioka, Masaki Motodera, Daisuke Nakazato, Tatsuya Nagai, Yusuke Migaki, Hisatoshi Kinoshita
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Patent number: 9975413Abstract: A portion of a peripheral wall of a hollow portion receiving a compression load when a door is closed has a slit-shaped core removal hole through which a core member used to mold the inner surface of the hollow portion is removed from the hollow portion. An attachment member has an insertion plate portion to be inserted into the core removal hole. The thickness of the insertion plate portion is set to be substantially equal to the width of an opening of the core removal hole.Type: GrantFiled: February 2, 2017Date of Patent: May 22, 2018Assignee: NISHIKAWA RUBBER CO., LTD.Inventors: Kazuyuki Takeda, Tatsuya Nagai, Daisuke Nakazato, Hisatoshi Kinoshita
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Publication number: 20170288218Abstract: A conductive composition for electrode is provided that is excellent in conductivity and dispersibility. Further, an electrode for lithium ion secondary battery with lower plate resistance and a lithium ion secondary battery excellent in rate characteristics are provided that use this conductive composition. A conductive composition for electrode, including: carbon nanofiber with a median diameter D50 value by volume from 0.1 to 8 ?m; an active material; and a binder enables production of an electrode for lithium ion secondary battery with lower plate resistance and a lithium ion secondary battery excellent in rate characteristics.Type: ApplicationFiled: August 6, 2015Publication date: October 5, 2017Applicant: Denka Company LimitedInventors: Yoko Horikoshi, Toru Arai, Hitoshi Kaneko, Tatsuya Nagai, Ayumu Tsukamoto
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Publication number: 20170225552Abstract: It is an object of the present disclosure to improve installation workability by reducing the risk of installation failures of a belt line sealing member in the case where a vertical glass run and a sealing member are installed separately to a door panel. A belt line sealing member 20 includes a panel insertion groove 24 opening downward. The belt line sealing member 20 includes an end portion provided with a stopper portion 51 reducing the risk of rim portions 111a and 111b of a notch 111 of an inner peripheral flange 109 entering the panel insertion groove 24.Type: ApplicationFiled: February 2, 2017Publication date: August 10, 2017Inventors: Atsuo MASUMOTO, Masahiro MORIOKA, Masaki MOTODERA, Daisuke NAKAZATO, Tatsuya NAGAI, Yusuke MIGAKI, Hisatoshi KINOSHITA
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Publication number: 20170225553Abstract: A beltline sealing member includes a block portion that comes into contact with a glass run to assemble the beltline sealing member in a normal position in the longitudinal direction of the beltline sealing member.Type: ApplicationFiled: February 2, 2017Publication date: August 10, 2017Inventors: Atsuo MASUMOTO, Masahiro MORIOKA, Masaki MOTODERA, Daisuke NAKAZATO, Tatsuya NAGAI, Yusuke MIGAKI, Hisatoshi KINOSHITA
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Publication number: 20170225555Abstract: A portion of a peripheral wall of a hollow portion receiving a compression load when a door is closed has a slit-shaped core removal hole through which a core member used to mold the inner surface of the hollow portion is removed from the hollow portion. An attachment member has an insertion plate portion to be inserted into the core removal hole. The thickness of the insertion plate portion is set to be substantially equal to the width of an opening of the core removal hole.Type: ApplicationFiled: February 2, 2017Publication date: August 10, 2017Inventors: Kazuyuki TAKEDA, Tatsuya NAGAI, Daisuke NAKAZATO, Hisatoshi KINOSHITA
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Patent number: 9728764Abstract: The present invention provides a heat suppressing alkaline storage battery including a positive electrode lead having a downsized portion that incorporates a PTC thermistor. A battery includes a positive electrode lead having a first lead half body, a second lead half body, and a PTC thermistor, the first and second lead half bodies overlap end portions formed in a portion where the first and second lead half bodies overlap with each other, the overlap end portions being larger than the PTC thermistor as viewed from a plane and being in contact with the PTC thermistor, the PTC thermistor is fitted in a fitting recessed portion formed in the overlap end portion of the first lead half body, and an exposed portion of the PTC thermistor is covered with a protective material.Type: GrantFiled: August 7, 2013Date of Patent: August 8, 2017Assignees: FDK CORPORATION, LITTELFUSE JAPAN G.K.Inventors: Tatsuya Nagai, Koji Izumi
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Publication number: 20150221928Abstract: The present invention provides a heat suppressing alkaline storage battery including a positive electrode lead having a downsized portion that incorporates a PTC thermistor. A battery includes a positive electrode lead having a first lead half body, a second lead half body, and a PTC thermistor, the first and second lead half bodies overlap end portions formed in a portion where the first and second lead half bodies overlap with each other, the overlap end portions being larger than the PTC thermistor as viewed from a plane and being in contact with the PTC thermistor, the PTC thermistor is fitted in a fitting recessed portion formed in the overlap end portion of the first lead half body, and an exposed portion of the PTC thermistor is covered with a protective material.Type: ApplicationFiled: August 7, 2013Publication date: August 6, 2015Applicants: FDK CORPORATION, TYCO ELECTRONICS JAPAN G.K.Inventors: Tatsuya Nagai, Koji lzumi
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Publication number: 20120052344Abstract: An internal resistance is maintained equal to or lower than 70 m?, and that a temperature rise of a battery during an external short circuit at an ambient temperature of 23° C. with a margin of error of plus or minus 2° C. does not exceed 45° C.Type: ApplicationFiled: August 25, 2011Publication date: March 1, 2012Applicant: FDK TWICELL CO., LTD.Inventors: Tatsuya Nagai, Koji Izumi, Satoshi Wada, Takayuki Yano
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Patent number: 7273504Abstract: A battery having a single cell, an outer paper package covering the single cell, and a water-repellent layer included in the outer paper package.Type: GrantFiled: March 21, 2003Date of Patent: September 25, 2007Assignee: Sanyo Electric Co., Ltd.Inventors: Tatsuya Nagai, Masanori Asano
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Patent number: 6843842Abstract: A glass coating agent is provided which is adapted for application onto the surface of a glass substrate and, upon heating, forms a metal oxide layer. The glass coating agent comprises a metallic compound represented by formula (I): R1k-mM(OCOR2)m??(I) wherein M represents a metal atom selected from the group consisting of tin, titanium, indium, silicon, zirconium, and aluminum; R1 represents a straight-chain, branched, or cyclic alkyl, alkenyl, or aryl group having 1 to 6 carbon atoms; R2 represents a branched alkyl group having 3 to 6 carbon atoms; k is a number representing the valence of the metal atom M; and m is a number of 1 to k. Further, there is provided a glass coating method using the glass coating agent. According to the glass coating agent, a metal oxide layer having excellent fastness properties and free from haze can be formed on the surface of glass substrates. According to the glass coating method, the metal oxide layer can be continuously and stably produced.Type: GrantFiled: November 26, 2002Date of Patent: January 18, 2005Assignee: Kirin Beer Kabushiki KaishaInventors: Eihaku Shimamura, Katsuhiro Imashita, Tsutomu Amano, Tatsuya Nagai, Takayuki Okada, Hitoshi Tabuchi, Masaaki Katayama
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Publication number: 20030194606Abstract: A battery having a single cell, an outer paper package covering the single cell, and a water-repellent layer included in the outer paper package.Type: ApplicationFiled: March 21, 2003Publication date: October 16, 2003Applicant: Sanyo Electric Co., Ltd.Inventors: Tatsuya Nagai, Masanori Asano
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Publication number: 20030108676Abstract: A glass coating agent is provided which is adapted for application onto the surface of a glass substrate and, upon heating, forms a metal oxide layer.Type: ApplicationFiled: November 26, 2002Publication date: June 12, 2003Applicants: KIRIN BEER KABUSHIKI KAISHA, NITTO KASEI CO., LTD.Inventors: Eihaku Shimamura, Katsuhiro Imashita, Tsutomu Amano, Tatsuya Nagai, Takayuki Okada, Hitoshi Tabuchi, Masaaki Katayama