Patents Assigned to Yugengaisha Tokyo Seiki Seisakusyo
  • Patent number: D334878
    Type: Grant
    Filed: April 24, 1991
    Date of Patent: April 20, 1993
    Assignees: Somar Corporation, Yugengaisha Tokyo Seiki Seisakusyo
    Inventors: Shigeo Shioiri, Kunio Kanda, Eiji Takamizawa, Yuzo Otomine