Ryoji Handa

Person

  • Yokosuka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Plated articles

    • Patent number 5,166,003
    • Issue date Nov 24, 1992
    • Mitsubishi Rayon Co., Ltd.
    • Hisayoshi Makinae
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyethylene terephthalate resin composition

    • Patent number 4,983,660
    • Issue date Jan 8, 1991
    • Mitsubishi Rayon Company Ltd.
    • Tomohiko Yoshida
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Apparatus for stirring hydrogel particles of water-soluble polymer

    • Patent number 4,607,958
    • Issue date Aug 26, 1986
    • Nitto Kagaku Kogyo Kabushiki Kaisha
    • Iwao Ohshima
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process for producing partially hydrolyzed acrylamide polymer

    • Patent number 4,535,131
    • Issue date Aug 13, 1985
    • Nitto Kagaku Kabushiki Kaisha
    • Ryoji Handa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing acrylamide polymers

    • Patent number 4,455,411
    • Issue date Jun 19, 1984
    • Nitto Kagaku Kogyo Kabushiki Kaisha
    • Ryoji Handa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Modification of acrylamide polymers

    • Patent number 4,313,863
    • Issue date Feb 2, 1982
    • Nitto Chemical Industry Co. Ltd.
    • Ryoji Handa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing acrylamide polymers

    • Patent number 4,306,045
    • Issue date Dec 15, 1981
    • Nitto Chemical Industry Co., Ltd.
    • Norimasa Yoshida
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for preparing acrylamide polymers

    • Patent number 4,306,048
    • Issue date Dec 15, 1981
    • Nitto Chemical Industry Co., Ltd.
    • Norimasa Yoshida
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Graft-polymer composition of rubber for reinforcing crosslinked resin

    • Patent number 4,108,946
    • Issue date Aug 22, 1978
    • Mitsubishi Rayon Co., Ltd.
    • Kazumasa Kamada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...