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Junichi Koshiba

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  • Ichihara-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing foamed rubber
    • Patent number 6,734,218
    • Issue date May 11, 2004
    • Sumitomo Chemical Company, Limited
    • Junichi Koshiba
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Vulcanized solid rubber
    • Patent number 6,716,931
    • Issue date Apr 6, 2004
    • Sumitomo Chemical Company, Limited
    • Junichi Koshiba
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Oil-extended copolymers for sponge
    • Patent number 6,384,290
    • Issue date May 7, 2002
    • Sumitomo Chemical Company, Ltd.
    • Junichi Koshiba
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Rubber composition
    • Patent number 5,179,156
    • Issue date Jan 12, 1993
    • Sumitomo Chemical Company, Limited
    • Hiroyoshi Takao
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Rubber composition
    • Patent number 5,118,773
    • Issue date Jun 2, 1992
    • Sumitomo Chemical Company, Limited
    • Hiroyoshi Takao
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Rubber composition
    • Patent number 5,100,964
    • Issue date Mar 31, 1992
    • Sumitomo Chemical Co., Ltd.
    • Keisaku Yamamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    Rubber composition, production process thereof, process for produci...
    • Publication number 20060155068
    • Publication date Jul 13, 2006
    • Sumitomo Chemical Company
    • Sadayuki Nakano
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Vulcanized solid rubber
    • Publication number 20030149188
    • Publication date Aug 7, 2003
    • Sumitomo Chemical Company, Limited
    • Junichi Koshiba
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Process for producing foamed rubber
    • Publication number 20030114545
    • Publication date Jun 19, 2003
    • Sumitomo Chemical Company, Limited
    • Junichi Koshiba
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Foamed rubber, process for producing the same and composite compris...
    • Publication number 20010021449
    • Publication date Sep 13, 2001
    • Junichi Koshiba
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...