Patents Assigned to Kabushiki Kaisha Hoky Giken
  • Wiping instrument
    Patent number: D458457
    Type: Grant
    Filed: May 25, 2001
    Date of Patent: June 11, 2002
    Assignee: Kabushiki Kaisha Hoky Giken
    Inventors: Isao Sugano, Hirosi Toriumi, Sizuo Furukawa