Patents by Inventor Yoshiaki Asami

Yoshiaki Asami 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).

  • Patent number: 11158898
    Abstract: According to one embodiment, there is provided a battery. The battery includes a metallic outer can, a wound electrode group, a positive electrode-lead, a negative electrode-lead, a positive electrode insulating cover, and a negative electrode insulating cover.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: October 26, 2021
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tatsuya Shinoda, Hideyuki Ishii, Kengo Kurata, Yoshiaki Asami, Tsutomu Matsui, Eiki Kashiwazaki, Kenichi Takahashi
  • Publication number: 20200044205
    Abstract: According to one embodiment, there is provided a battery. The battery includes a metallic outer can, a wound electrode group, a positive electrode-lead, a negative electrode-lead, a positive electrode insulating cover, and a negative electrode insulating cover.
    Type: Application
    Filed: October 11, 2019
    Publication date: February 6, 2020
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Tatsuya Shinoda, Hideyuki Ishii, Kengo Kurata, Yoshiaki Asami, Tsutomu Matsui, Eiki Kashiwazaki, Kenichi Takahashi
  • Patent number: 10468641
    Abstract: According to one embodiment, there is provided a battery. The battery includes a metallic outer can, a wound electrode group, a positive electrode-lead, a negative electrode-lead, a positive electrode insulating cover, and a negative electrode insulating cover.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: November 5, 2019
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tatsuya Shinoda, Hideyuki Ishii, Kengo Kurata, Yoshiaki Asami, Tsutomu Matsui, Eiki Kashiwazaki, Kenichi Takahashi
  • Patent number: 10115937
    Abstract: According to one embodiment, a battery includes an electrode group, a tab, a conductive nipping member, a case, a lid and a lead. The conductive nipping member includes first and second nipping sections. The first and second nipping sections divide the tab into two bundles in which portions of the tab are laminated onto each other in a thickness direction of the electrode group. The lead includes a connecting section connected electrically to a terminal, and current collecting sections which are two sections branched from the connecting section and sandwiching the nipping member.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: October 30, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hideyuki Ishii, Eiki Kashiwazaki, Kengo Kurata, Tatsuya Shinoda, Tsutomu Matsui, Yoshiaki Asami
  • Publication number: 20180130979
    Abstract: According to one embodiment, there is provided a battery. The battery includes a metallic outer can, a wound electrode group, a positive electrode-lead, a negative electrode-lead, a positive electrode insulating cover, and a negative electrode insulating cover.
    Type: Application
    Filed: January 2, 2018
    Publication date: May 10, 2018
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Tatsuya SHINODA, Hideyuki Ishii, Kengo Kurata, Yoshiaki Asami, Tsutomu Matsui, Eiki Kashiwazaki, Kenichi Takahashi
  • Patent number: 9899641
    Abstract: According to one embodiment, there is provided a battery. The battery includes a metallic outer can, a wound electrode group, a positive electrode-lead, a negative electrode-lead, a positive electrode insulating cover, and a negative electrode insulating cover.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: February 20, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tatsuya Shinoda, Hideyuki Ishii, Kengo Kurata, Yoshiaki Asami, Tsutomu Matsui, Eiki Kashiwazaki, Kenichi Takahashi
  • Patent number: 9893377
    Abstract: According to one embodiment, there is provided a nonaqueous electrolyte battery. The negative electrode of the battery includes a negative electrode active material which can absorb and release lithium ions at a negative electrode potential of 0.4 V (V.S. Li/Li+) or more. The battery satisfying the following equations (I) and (II): 1?Q2/Q1??(I) 0.5?C/A?0.
    Type: Grant
    Filed: September 23, 2010
    Date of Patent: February 13, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Haruchika Ishii, Toshihide Arikawa, Hirotada Tahara, Masataka Shikota, Kazuko Takanezawa, Hiroki Inagaki, Yuichi Kikuma, Yoshiaki Asami
  • Publication number: 20150214513
    Abstract: According to one embodiment, a battery includes an electrode group, a tab, a conductive nipping member, a case, a lid and a lead. The conductive nipping member includes first and second nipping sections. The first and second nipping sections divide the tab into two bundles in which portions of the tab are laminated onto each other in a thickness direction of the electrode group. The lead includes a connecting section connected electrically to a terminal, and current collecting sections which are two sections branched from the connecting section and sandwiching the nipping member.
    Type: Application
    Filed: April 10, 2015
    Publication date: July 30, 2015
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Hideyuki ISHII, Eiki KASHIWAZAKI, Kengo KURATA, Tatsuya SHINODA, Tsutomu MATSUI, Yoshiaki ASAMI
  • Patent number: 9034499
    Abstract: According to one embodiment, a battery includes an electrode group, a tab, a conductive nipping member, a case, a lid and a lead. The conductive nipping member includes first and second nipping sections. The first and second nipping sections divide the tab into two bundles in which portions of the tab are laminated onto each other in a thickness direction of the electrode group. The lead includes a connecting section connected electrically to a terminal, and current collecting sections which are two sections branched from the connecting section and sandwiching the nipping member.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: May 19, 2015
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hideyuki Ishii, Eiki Kashiwazaki, Kengo Kurata, Tatsuya Shinoda, Tsutomu Matsui, Yoshiaki Asami
  • Publication number: 20140322578
    Abstract: According to one embodiment, there is provided a battery. The battery includes a metallic outer can, a wound electrode group, a positive electrode-lead, a negative electrode-lead, a positive electrode insulating cover, and a negative electrode insulating cover.
    Type: Application
    Filed: July 7, 2014
    Publication date: October 30, 2014
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tatsuya SHINODA, Hideyuki ISHII, Kengo KURATA, Yoshiaki ASAMI, Tsutomu MATSUI, Eiki KASHIWAZAKI, Kenichi TAKAHASHI
  • Patent number: 8808903
    Abstract: According to one embodiment, there is provided a battery. The battery includes a metallic outer can, a wound electrode group, a positive electrode-lead, a negative electrode-lead, a positive electrode insulating cover, and a negative electrode insulating cover.
    Type: Grant
    Filed: June 21, 2011
    Date of Patent: August 19, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tatsuya Shinoda, Hideyuki Ishii, Kengo Kurata, Yoshiaki Asami, Tsutomu Matsui, Eiki Kashiwazaki, Kenichi Takahashi
  • Publication number: 20140030562
    Abstract: According to one embodiment, a battery includes an electrode group, a tab, a conductive nipping member, a case, a lid and a lead. The conductive nipping member includes first and second nipping sections. The first and second nipping sections divide the tab into two bundles in which portions of the tab are laminated onto each other in a thickness direction of the electrode group. The lead includes a connecting section connected electrically to a terminal, and current collecting sections which are two sections branched from the connecting section and sandwiching the nipping member.
    Type: Application
    Filed: September 30, 2013
    Publication date: January 30, 2014
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Hideyuki Ishii, Eiki Kashiwazaki, Kengo Kurata, Tatsuya Shinoda, Tsutomu Matsui, Yoshiaki Asami
  • Patent number: 8574753
    Abstract: According to one embodiment, a battery includes an electrode group, a tab, a conductive nipping member, a case, a lid and a lead. The conductive nipping member includes first and second nipping sections. The first and second nipping sections divide the tab into two bundles in which portions of the tab are laminated onto each other in a thickness direction of the electrode group. The lead includes a connecting section connected electrically to a terminal, and current collecting sections which are two sections branched from the connecting section and sandwiching the nipping member.
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: November 5, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hideyuki Ishii, Eiki Kashiwazaki, Kengo Kurata, Tatsuya Shinoda, Tsutomu Matsui, Yoshiaki Asami
  • Publication number: 20120156529
    Abstract: The disclosure describes a non-aqueous electrolyte battery with an improved cycle life. The non-aqueous electrolyte battery includes a positive electrode including a positive electrode layer, a negative electrode including a negative electrode layer, a separator disposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte containing a lithium salt. The negative electrode layer may contain a negative electrode active material which can insert and release lithium ions at 0.4 V or more (V.S. Li/Li+). The lithium salt may contains LiPF6 with a concentration of less than 50% (including 0%).
    Type: Application
    Filed: July 26, 2011
    Publication date: June 21, 2012
    Inventors: Hidetoshi Watanabe, Haruchika Ishii, Hiroki Inagaki, Masataka Shikota, Toshihide Arikawa, Hirotada Tahara, Kazuko Newton, Teruo Hiruma, Yoshiaki Asami, Yuichi Kikuma
  • Publication number: 20110311851
    Abstract: According to one embodiment, there is provided a battery. The battery includes a metallic outer can, a wound electrode group, a positive electrode-lead, a negative electrode-lead, a positive electrode insulating cover, and a negative electrode insulating cover.
    Type: Application
    Filed: June 21, 2011
    Publication date: December 22, 2011
    Inventors: Tatsuya SHINODA, Hideyuki Ishii, Kengo Kurata, Yoshiaki Asami, Tsutomu Matsui, Eiki Kashiwazaki, Kenichi Takahashi
  • Publication number: 20110076557
    Abstract: According to one embodiment, there is provided a nonaqueous electrolyte battery. The negative electrode of the battery includes a negative electrode active material which can absorb and release lithium ions at a negative electrode potential of 0.4 V (V.S. Li/Li+) or more. The battery satisfying the following equations (I) and (II): 1?Q2/Q1 ??(I) 0.5?C/A?0.
    Type: Application
    Filed: September 23, 2010
    Publication date: March 31, 2011
    Inventors: Haruchika Ishii, Toshihide Arikawa, Hirotada Tahara, Masataka Shikota, Kazuko Takanezawa, Hiroki Inagaki, Yuichi Kikuma, Yoshiaki Asami
  • Publication number: 20110052976
    Abstract: According to one embodiment, a battery includes an electrode group, a tab, a conductive nipping member, a case, a lid and a lead. The conductive nipping member includes first and second nipping sections. The first and second nipping sections divide the tab into two bundles in which portions of the tab are laminated onto each other in a thickness direction of the electrode group. The lead includes a connecting section connected electrically to a terminal, and current collecting sections which are two sections branched from the connecting section and sandwiching the nipping member.
    Type: Application
    Filed: August 26, 2010
    Publication date: March 3, 2011
    Inventors: Hideyuki ISHII, Eiki Kashiwazaki, Kengo Kurata, Tatsuya Shinoda, Tsutomu Matsui, Yoshiaki Asami
  • Patent number: 5612155
    Abstract: A lithium ion secondary battery improved in large-current discharge characteristics, discharge capacity, and cycle life is disclosed. This lithium ion secondary battery includes a positive electrode, a negative electrode comprising a collector and carbon fibers held to the collector for absorbing and desorbing lithium ions, a separator arranged between the positive electrode and the negative electrode, and a nonaqueous electrolyte. The carbon fibers have a radial orientation from an axis of the fibers, and 50 vol % or more of all carbon fibers are arranged such that an angle between an axis of each carbon fiber and a surface of the collector is 45.degree. or less.
    Type: Grant
    Filed: June 13, 1995
    Date of Patent: March 18, 1997
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Battery Co, Ltd.
    Inventors: Norio Takami, Takahisa Ohsaki, Yoshiaki Asami
  • Patent number: 4777563
    Abstract: Disclosed in a thin type electronic instrument having a structure comprising a circuit base plate for mounting an integrated circuit chip thereon and a power source battery for supplying power to the circuit base plate sandwiched between a pair of synthetic resin sheets opposed to each other, with the pair of synthetic resin sheets being plastered at the peripheral portions thereof, characterized in that a substrate made of a metal is interposed between the pair of synthetic resin sheet.The thin type electronic instrument of the present invention is improved in mechanical durability against mechanical shock such as warping or torsion by a stress during carrying or usage, whereby erroneous actuation or breaking can be inhibited.
    Type: Grant
    Filed: April 28, 1987
    Date of Patent: October 11, 1988
    Assignee: Toshiba Battery Co., Ltd.
    Inventors: Hirohito Teraoka, Yoshiaki Asami, Shintaro Suzuki
  • Patent number: 4601919
    Abstract: A method for preparing a positive electrode for a non-aqueous electrolyte cell comprises applying a positive electrode-active material, an electrically conductive agent, a dispersion of polytetrafluoroethylene and a mixture of polyacrylic acid and water on one side or both sides of a supporting material, and then drying the coated supporting material at about 250.degree. C. for 5 to 10 hours.
    Type: Grant
    Filed: January 17, 1985
    Date of Patent: July 22, 1986
    Assignee: Toshiba Battery Co., Ltd.
    Inventors: Yoshiaki Asami, Shintaro Suzuki, Hirotsugu Fujita, Fumiko Homma