Patents Assigned to Nihon Kenkozoshin Kenkyukai Co. Ltd.
  • Patent number: D290654
    Type: Grant
    Filed: November 28, 1984
    Date of Patent: June 30, 1987
    Assignees: Nihon Kenkozoshin Kenkyukai Co. Ltd., Nihon Denjihachiryoki Kenkyusho Co. Ltd.
    Inventor: Teruo Ohnishi