Patents Assigned to Sansaha Electric Manufacturing Co., Ltd.
  • Portable power supply unit with AC-DC converter
    Patent number: D386148
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: November 11, 1997
    Assignee: Sansaha Electric Manufacturing Co., Ltd.
    Inventors: Masao Katooka, Toru Arai, Shigeru Okamoto, Kenzo Danjo, Masaharu Tanaka