Patents Assigned to Kohji Toda
  • Patent number: 4340506
    Abstract: A photoelectric transfer device in which an electroconductive layer is formed on a surface of an oxide substrate comprising lead component at a ratio of 30-99.5 mol % as PbO and chromium component at a ratio of 0.5-70 mol %, preferably at a ratio of 60-90 mol % as PbO and a chromium component at a ratio of 10-40 mol %.
    Type: Grant
    Filed: July 26, 1979
    Date of Patent: July 20, 1982
    Assignees: TDK Electronics Co., Ltd., Kohji Toda
    Inventors: Kohji Toda, Koji Takahashi, Isao Matsufuji