Tatsutoshi Nakashima

Person

  • Aichi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Contact lens material

    • Patent number 4,814,402
    • Issue date Mar 21, 1989
    • Menicon Co., Ltd.
    • Tatsutoshi Nakashima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...