Hirofumi Yoshida

Person

  • Gunma, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Silicone-based composite rubber composition and uses thereof

    • Patent number 5,171,787
    • Issue date Dec 15, 1992
    • Japan Synthetic Rubber Co., Ltd.
    • Yoshiaki Zama
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Primer composition

    • Patent number 4,980,396
    • Issue date Dec 25, 1990
    • Toshiba Silicone Co., Ltd.
    • Hirofumi Yoshida
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...