Hirohisa Yamamoto

Person

  • Osaka-shi Osaka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for preparing glass-ceramic

    • Patent number 6,797,048
    • Issue date Sep 28, 2004
    • Yamamoto Precious Metal Co., Ltd.
    • Takeshi Hoshikawa
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents