Toshiyuki Ohban

Person

  • Osaka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Denture base

    • Patent number 4,828,493
    • Issue date May 9, 1989
    • Nippon Oil Co., Ltd.
    • Masao Nambu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE