Patents by Inventor Toshitaka Niitsuma

Toshitaka Niitsuma 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).

  • Battery and method for manufacturing the same
    Patent number: 7629076
    Abstract: A battery having a collecting structure that can reduce internal resistance of the battery and a structure that allows easy manufacturing of the battery by the following processes is provided. An enlarged portion is formed near an opening end of a battery case and a supporting ledge is provided on the inner surface of the lower end of the enlarged portion. A collector of one polarity is bonded to an electrode plate group. A connection lead is bonded to the collector at one end and is bonded to a lower surface of a sealing member at the other end. An insulation gasket is mounted to a peripheral edge portion of the sealing member from a side opposite to the collector. The peripheral edge portion of the sealing member is supported by the supporting ledge with the insulation gasket interposed therebetween.
    Type: Grant
    Filed: August 24, 2004
    Date of Patent: December 8, 2009
    Assignee: Panasonic Corporation
    Inventors: Masaharu Miyahisa, Hideki Kasahara, Yoshiyuki Tada, Toshitaka Niitsuma
  • BATTERY AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20080160401
    Abstract: A battery having a collecting structure that can reduce internal resistance of the battery and a structure that allows easy manufacturing of the battery by the following processes is provided. An enlarged portion is formed near an opening end of a battery case and a supporting ledge is provided on the inner surface of the lower end of the enlarged portion. A collector of one polarity is bonded to an electrode plate group. A connection lead is bonded to the collector at one end and is bonded to a lower surface of a sealing member at the other end. An insulation gasket is mounted to a peripheral edge portion of the sealing member from a side opposite to the collector. The peripheral edge portion of the sealing member is supported by the supporting ledge with the insulation gasket interposed therebetween.
    Type: Application
    Filed: March 4, 2008
    Publication date: July 3, 2008
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Masaharu MIYAHISA, Hideki KASAHARA, Yoshiyuki TADA, Toshitaka NIITSUMA
  • Battery and method for manufacturing the same
    Publication number: 20050147878
    Abstract: A battery having a collecting structure that can reduce internal resistance of the battery and a structure that allows easy manufacturing of the battery by the following processes is provided. An enlarged portion is formed near an opening end of a battery case and a supporting ledge is provided on the inner surface of the lower end of the enlarged portion. A collector of one polarity is bonded to an electrode plate group. A connection lead is bonded to the collector at one end and is bonded to a lower surface of a sealing member at the other end. An insulation gasket is mounted to a peripheral edge portion of the sealing member from a side opposite to the collector. The peripheral edge portion of the sealing member is supported by the supporting ledge with the insulation gasket interposed therebetween.
    Type: Application
    Filed: August 24, 2004
    Publication date: July 7, 2005
    Applicant: MATSUSHITA ELECTRIAL INDUSTRIAL CO., LTD.
    Inventors: Masaharu Miyahisa, Hideki Kasahara, Yoshiyuki Tada, Toshitaka Niitsuma
  • Battery case
    Patent number: D511742
    Type: Grant
    Filed: April 20, 2004
    Date of Patent: November 22, 2005
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshitaka Niitsuma, Akio Kujirai, Hiroki Takeshima
  • Battery case
    Patent number: D514506
    Type: Grant
    Filed: April 20, 2004
    Date of Patent: February 7, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshitaka Niitsuma, Akio Kujirai, Hiroki Takeshima
  • Battery case
    Patent number: D516505
    Type: Grant
    Filed: April 20, 2004
    Date of Patent: March 7, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshitaka Niitsuma, Akio Kujirai, Hiroki Takeshima