Patents Assigned to Fuji Film Celltec Co., Ltd.
  • Cell electrode sheet with displaced electrode depolarizing mixes
    Patent number: 6027835
    Abstract: An electrode sheet having a current collector coated with electrode depolarizing mix on both upper and lower surfaces of the current collector, wherein: the electrode sheet has a portion of the current collector not coated with the electrode depolarizing mix; and the electrode depolarizing mix coated ends on both the upper and lower surfaces of the current collector are shifted by 0.3 mm or longer and 30 mm or shorter in a longitudinal direction of the electrode sheet.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: February 22, 2000
    Assignees: Fuji Film Celltec Co., Ltd., Fuji Photo Film Co., Ltd.
    Inventors: Kenichi Fukumura, Hideki Tomiyama, Mitsutoshi Tanaka
  • Cell gasket made of polybutylene terephthalate
    Patent number: 6025091
    Abstract: A gasket for sealing a metal cell can with a metal terminal cap, wherein the gasket contains polybutylene terephthalate.
    Type: Grant
    Filed: April 21, 1998
    Date of Patent: February 15, 2000
    Assignees: Fuji Photo Film Co., Ltd., Fuji Film Celltec Co., Ltd.
    Inventors: Hirokazu Kondo, Takuji Yamada