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Osamu Ihata

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  • Chiba-Shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polyether polymer and production process thereof
    • Patent number 8,487,071
    • Issue date Jul 16, 2013
    • Sumitomo Chemical Company, Limited
    • Osamu Ihata
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymer and method for producing same
    • Patent number 8,431,663
    • Issue date Apr 30, 2013
    • Tokyo Institute of Technology
    • Kohtaro Osakada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Copolymer and method for producing same
    • Patent number 8,389,656
    • Issue date Mar 5, 2013
    • Tokyo Institute of Technology
    • Kohtaro Osakada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Diene polymer and production process thereof
    • Patent number 8,188,202
    • Issue date May 29, 2012
    • Sumitomo Chemical Company, Limited
    • Kohtaro Osakada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Copolymer containing functional group of sulfonic acid or its salt,...
    • Patent number 7,816,474
    • Issue date Oct 19, 2010
    • Sumitomo Chemcial Company, Limited
    • Osamu Ihata
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Diene polymer and production process thereof
    • Patent number 7,799,886
    • Issue date Sep 21, 2010
    • Sumitomo Chemical Company, Limited
    • Kohtaro Osakada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    POLYMER AND METHOD FOR PRODUCING SAME
    • Publication number 20110245441
    • Publication date Oct 6, 2011
    • TOKYO INSTITUTE OF TECHNOLOGY
    • Kohtaro OSAKADA
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    COPOLYMER AND METHOD FOR PRODUCING SAME
    • Publication number 20110245440
    • Publication date Oct 6, 2011
    • TOKYO INSTITUTE OF TECHNOLOGY
    • Kohtaro OSAKADA
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    POLYETHER POLYMER AND PRODUCTION PROCESS THEREOF
    • Publication number 20110065889
    • Publication date Mar 17, 2011
    • SUMITOMO CHEMICAL COMPANY, LIMITED
    • Osamu Ihata
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    DIENE POLYMER AND PRODUCTION PROCESS THEREOF
    • Publication number 20100234546
    • Publication date Sep 16, 2010
    • Sumitomo Chemical Company, Limited
    • Kohtaro Osakada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    DIENE POLYMER AND PRODUCTION PROCESS THEREOF
    • Publication number 20090221774
    • Publication date Sep 3, 2009
    • Sumitomo Chemical Company, Limited
    • Kohtaro Osakada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Copolymer containing functional group of sulfonic acid or its salt,...
    • Publication number 20070232767
    • Publication date Oct 4, 2007
    • Sumitomo Chemical Company, Limited
    • Osamu Ihata
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...