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Toshihiko Kawakubo

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  • Kashima-gun, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing vinyl polymer
    • Patent number 11,639,404
    • Issue date May 2, 2023
    • Shin-Etsu Chemical Co., Ltd.
    • Hiroaki Saito
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Microcapsule and method for producing the same
    • Patent number 11,331,640
    • Issue date May 17, 2022
    • Shin-Etsu Chemical Co., Ltd.
    • Hiroaki Saito
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process for producing vinyl chloride polymers
    • Patent number 6,780,945
    • Issue date Aug 24, 2004
    • Shin-Etsu Chemical Co., Ltd.
    • Toshihiko Kawakubo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR PRODUCING VINYL CHLORIDE TYPE POLYMER
    • Publication number 20220403150
    • Publication date Dec 22, 2022
    • Shin-Etsu Chemical Co., Ltd.
    • Hiroshi FUKUDOME
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METHOD FOR PRODUCING VINYL CHLORIDE TYPE POLYMER
    • Publication number 20220235159
    • Publication date Jul 28, 2022
    • SHIN-ETSU CHEMICAL CO., LTD.
    • Hiroshi FUKUDOME
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METHOD FOR PRODUCING VINYL POLYMER
    • Publication number 20200277416
    • Publication date Sep 3, 2020
    • SHIN-ETSU CHEMICAL CO., LTD.
    • Hiroaki SAITO
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    MICROCAPSULE AND METHOD FOR PRODUCING THE SAME
    • Publication number 20200276554
    • Publication date Sep 3, 2020
    • SHIN-ETSU CHEMICAL CO., LTD.
    • Hiroaki Saito
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Process for producing vinyl chloride polymers
    • Publication number 20020169268
    • Publication date Nov 14, 2002
    • Shin-Etsu Chemical Co., Ltd.
    • Toshihiko Kawakubo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...