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Akihiro Shirai

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  • Ishihara-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polyurethane
    • Patent number 9,701,779
    • Issue date Jul 11, 2017
    • Nippon Soda Co., Ltd.
    • Akihiro Shirai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyurethane
    • Patent number 9,701,780
    • Issue date Jul 11, 2017
    • Nippon Soda Co., Ltd.
    • Akihiro Shirai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Star polymer and method of producing same
    • Patent number 9,023,950
    • Issue date May 5, 2015
    • Nippon Soda Co., Ltd.
    • Akihiro Shirai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Multibranched polymer and method for producing the same
    • Patent number 8,710,165
    • Issue date Apr 29, 2014
    • Nippon Soda Co., Ltd.
    • Takeshi Niitani
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the production of modified polysiloxanes
    • Patent number 8,420,744
    • Issue date Apr 16, 2013
    • Nippon Soda Co., Ltd.
    • Akihiro Shirai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Multibranched polymer and method for producing the same
    • Patent number 7,919,570
    • Issue date Apr 5, 2011
    • Nippon Soda Co., Ltd.
    • Takeshi Niitani
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Photocurable composition containing iodonium salt compound
    • Patent number 6,677,390
    • Issue date Jan 13, 2004
    • Nippon Soda Co., Ltd.
    • Eiji Takahashi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Photocurable composition containing iodonium salt compound
    • Patent number 6,558,871
    • Issue date May 6, 2003
    • Nippon Soda Co. Ltd.
    • Eiji Takahashi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    POLYURETHANE
    • Publication number 20160168310
    • Publication date Jun 16, 2016
    • Nippon Soda Co., Ltd.
    • Akihiro Shirai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    POLYURETHANE
    • Publication number 20150119535
    • Publication date Apr 30, 2015
    • Nippon Soda Co., Ltd.
    • Akihiro Shirai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    STAR POLYMER AND METHOD OF PRODUCING SAME
    • Publication number 20130030127
    • Publication date Jan 31, 2013
    • Nippon Soda Co., Ltd.
    • Akihiro Shirai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METHOD FOR PRODUCING POLYBUTADIENE
    • Publication number 20120202910
    • Publication date Aug 9, 2012
    • Nippon Soda Co., Ltd.
    • Akihiro Shirai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    PROCESS FOR PRODUCTION OF MODIFIED POLYSILOXANE COMPOUND
    • Publication number 20120136122
    • Publication date May 31, 2012
    • Nippon Soda Co., Ltd.
    • Akihiro Shirai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Multibranched polymer and method for producing the same
    • Publication number 20110152388
    • Publication date Jun 23, 2011
    • Nippon Soda Co., Ltd.
    • Takeshi Niitani
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METHOD FOR PRODUCING STAR POLYMER
    • Publication number 20100210805
    • Publication date Aug 19, 2010
    • NIPPON SODA CO., LTD
    • Akihiro Shirai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Multibrached Polymer and Method for Producing the Same
    • Publication number 20080214685
    • Publication date Sep 4, 2008
    • Nippon Soda Co., Ltd.
    • Takeshi Niitani
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...