Yasukichi Yanagihara

Person

  • Kakamigahara, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Contact lens formed from a hydrogel fundamental material

    • Patent number 4,788,227
    • Issue date Nov 29, 1988
    • Tomei Sangyo Kabushiki Kaisha
    • Yasukichi Yanagihara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Hydrogel fundamental material

    • Patent number 4,699,946
    • Issue date Oct 13, 1987
    • Tomei Sangyo Kabushiki Kaisha
    • Yasukichi Yanagihara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...