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).

  • Publication number: 20190248944
    Abstract: [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: Application
    Filed: July 14, 2017
    Publication date: August 15, 2019
    Applicant: Denka Company Limited
    Inventors: Tatsuya NAGAI, Takuya NARUTOMI, Tetsuya ITO, Hiroshi YOKOTA
  • Publication number: 20190198879
    Abstract: 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: Application
    Filed: July 3, 2017
    Publication date: June 27, 2019
    Inventors: Tatsuya NAGAI, Yoko HORIKOSHI, Hitoshi KANEKO, Hiroshi YOKOTA
  • Publication number: 20190179981
    Abstract: 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: Application
    Filed: November 29, 2018
    Publication date: June 13, 2019
    Applicant: FUJITSU LIMITED
    Inventors: Takanori Negishi, Tatsuya Nagai, Nobuaki Ikuta
  • Publication number: 20190177551
    Abstract: 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: Application
    Filed: August 8, 2017
    Publication date: June 13, 2019
    Applicant: DENKA COMPANY LIMITED
    Inventors: Tatsuya Nagai, Shinichiro Osumi, Daiki Ikeda, Tetsuya Ito, Hiroshi Yokota
  • Patent number: 10239399
    Abstract: 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: Grant
    Filed: February 2, 2017
    Date of Patent: March 26, 2019
    Assignee: NISHIKAWA RUBBER CO., LTD.
    Inventors: Atsuo Masumoto, Masahiro Morioka, Masaki Motodera, Daisuke Nakazato, Tatsuya Nagai, Yusuke Migaki, Hisatoshi Kinoshita
  • Patent number: 10220691
    Abstract: 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: Grant
    Filed: February 2, 2017
    Date of Patent: March 5, 2019
    Assignees: NISHIKAWA RUBBER CO., LTD., MAZDA MOTOR CORPORATION
    Inventors: Atsuo Masumoto, Masahiro Morioka, Masaki Motodera, Daisuke Nakazato, Tatsuya Nagai, Yusuke Migaki, Hisatoshi Kinoshita
  • Patent number: 9975413
    Abstract: 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: Grant
    Filed: February 2, 2017
    Date of Patent: May 22, 2018
    Assignee: NISHIKAWA RUBBER CO., LTD.
    Inventors: Kazuyuki Takeda, Tatsuya Nagai, Daisuke Nakazato, Hisatoshi Kinoshita
  • Publication number: 20170288218
    Abstract: 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: Application
    Filed: August 6, 2015
    Publication date: October 5, 2017
    Applicant: Denka Company Limited
    Inventors: Yoko Horikoshi, Toru Arai, Hitoshi Kaneko, Tatsuya Nagai, Ayumu Tsukamoto
  • Publication number: 20170225552
    Abstract: 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: Application
    Filed: February 2, 2017
    Publication date: August 10, 2017
    Inventors: Atsuo MASUMOTO, Masahiro MORIOKA, Masaki MOTODERA, Daisuke NAKAZATO, Tatsuya NAGAI, Yusuke MIGAKI, Hisatoshi KINOSHITA
  • Publication number: 20170225553
    Abstract: 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: Application
    Filed: February 2, 2017
    Publication date: August 10, 2017
    Inventors: Atsuo MASUMOTO, Masahiro MORIOKA, Masaki MOTODERA, Daisuke NAKAZATO, Tatsuya NAGAI, Yusuke MIGAKI, Hisatoshi KINOSHITA
  • Publication number: 20170225555
    Abstract: 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: Application
    Filed: February 2, 2017
    Publication date: August 10, 2017
    Inventors: Kazuyuki TAKEDA, Tatsuya NAGAI, Daisuke NAKAZATO, Hisatoshi KINOSHITA
  • Patent number: 9728764
    Abstract: 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: Grant
    Filed: August 7, 2013
    Date of Patent: August 8, 2017
    Assignees: FDK CORPORATION, LITTELFUSE JAPAN G.K.
    Inventors: Tatsuya Nagai, Koji Izumi
  • Publication number: 20150221928
    Abstract: 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: Application
    Filed: August 7, 2013
    Publication date: August 6, 2015
    Applicants: FDK CORPORATION, TYCO ELECTRONICS JAPAN G.K.
    Inventors: Tatsuya Nagai, Koji lzumi
  • Publication number: 20120052344
    Abstract: 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: Application
    Filed: August 25, 2011
    Publication date: March 1, 2012
    Applicant: FDK TWICELL CO., LTD.
    Inventors: Tatsuya Nagai, Koji Izumi, Satoshi Wada, Takayuki Yano
  • Patent number: 7273504
    Abstract: 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: Grant
    Filed: March 21, 2003
    Date of Patent: September 25, 2007
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Tatsuya Nagai, Masanori Asano
  • Patent number: 6843842
    Abstract: 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: Grant
    Filed: November 26, 2002
    Date of Patent: January 18, 2005
    Assignee: Kirin Beer Kabushiki Kaisha
    Inventors: Eihaku Shimamura, Katsuhiro Imashita, Tsutomu Amano, Tatsuya Nagai, Takayuki Okada, Hitoshi Tabuchi, Masaaki Katayama
  • Publication number: 20030194606
    Abstract: 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: Application
    Filed: March 21, 2003
    Publication date: October 16, 2003
    Applicant: Sanyo Electric Co., Ltd.
    Inventors: Tatsuya Nagai, Masanori Asano
  • Publication number: 20030108676
    Abstract: 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: Application
    Filed: November 26, 2002
    Publication date: June 12, 2003
    Applicants: KIRIN BEER KABUSHIKI KAISHA, NITTO KASEI CO., LTD.
    Inventors: Eihaku Shimamura, Katsuhiro Imashita, Tsutomu Amano, Tatsuya Nagai, Takayuki Okada, Hitoshi Tabuchi, Masaaki Katayama