Patents by Inventor Isamu Nishiyama

Isamu Nishiyama 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).

  • Coin-shaped storage cell
    Patent number: 7742280
    Abstract: A coin-shaped storage cell (1) has a pair of polarizable electrodes (17, 18), an insulating separator (21) interposed between the polarizable electrodes, an electrolytic solution (22) impregnated in the polarizable electrodes (17, 18) and the separator (21), a metal case (11) for housing the polarizable electrodes (17, 18), an insulating ring packing (15) arranged in the metal case, and a top lid (13) which is caulked integrally with the metal case (11) via the ring packing (15). The inner bottom surface of the metal case (11) is provided with recessed and projected portions.
    Type: Grant
    Filed: March 10, 2009
    Date of Patent: June 22, 2010
    Assignee: Panasonic Corporation
    Inventors: Masayuki Sato, Masashige Ashizaki, Koichi Morikawa, Isamu Nishiyama, Nario Niibo, Masayuki Taniguchi
  • Coin-shaped storage cell
    Patent number: 7576969
    Abstract: A coin-shaped storage cell (1) has a pair of polarizable electrodes (17, 18), an insulating separator (21) interposed between the polarizable electrodes, an electrolytic solution (22) impregnated in the polarizable electrodes (17, 18) and the separator (21), a metal case (11) for housing the polarizable electrodes (17, 18), an insulating ring packing (15) arranged in the metal case, and a top lid (13) which is caulked integrally with the metal case (11) via the ring packing (15). The inner bottom surface of the metal case (11) is provided with recessed and projected portions.
    Type: Grant
    Filed: December 2, 2004
    Date of Patent: August 18, 2009
    Assignee: Panasonic Corporation
    Inventors: Masayuki Sato, Masashige Ashizaki, Koichi Morikawa, Isamu Nishiyama, Nario Niibo, Masayuki Taniguchi
  • COIN-SHAPED STORAGE CELL
    Publication number: 20090176154
    Abstract: A coin-shaped storage cell (1) has a pair of polarizable electrodes (17, 18), an insulating separator (21) interposed between the polarizable electrodes, an electrolytic solution (22) impregnated in the polarizable electrodes (17, 18) and the separator (21), a metal case (11) for housing the polarizable electrodes (17, 18), an insulating ring packing (15) arranged in the metal case, and a top lid (13) which is caulked integrally with the metal case (11) via the ring packing (15). The inner bottom surface of the metal case (11) is provided with recessed and projected portions.
    Type: Application
    Filed: March 10, 2009
    Publication date: July 9, 2009
    Inventors: Masayuki SATO, Masashige Ashizaki, Koichi Morikawa, Isamu Nishiyama, Nario Niibo, Masayuki Taniguchi
  • Coin-shaped storage cell
    Publication number: 20070109721
    Abstract: A coin-shaped storage cell (1) has a pair of polarizable electrodes (17, 18), an insulating separator (21) interposed between the polarizable electrodes, an electrolytic solution (22) impregnated in the polarizable electrodes (17, 18) and the separator (21), a metal case (11) for housing the polarizable electrodes (17, 18), an insulating ring packing (15) arranged in the metal case, and a top lid (13) which is caulked integrally with the metal case (11) via the ring packing (15). The inner bottom surface of the metal case (11) is provided with recessed and projected portions.
    Type: Application
    Filed: December 2, 2004
    Publication date: May 17, 2007
    Inventors: Masayuki Sato, Masashige Ashizaki, Koichi Morikawa, Isamu Nishiyama, Nario Niibo, Masayuki Taniguchi