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Yohei Fujii

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Patents Grantslast 30 patents

  • Information Patent Grant

    Carbon black
    • Patent number 9,522,990
    • Issue date Dec 20, 2016
    • Sumitomo Chemical Company, Limited
    • Yohei Fujii
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    ETHYLENE-ALPHA-OLEFIN-NONCONJUGATED POLYENE COPOLYMER RUBBER AND RU...
    • Publication number 20210371559
    • Publication date Dec 2, 2021
    • Sumitomo Chemical Company, Limited
    • Yohei FUJII
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    RUBBER COMPOSITION
    • Publication number 20210355255
    • Publication date Nov 18, 2021
    • Sumitomo Chemical Company, Limited
    • Yohei FUJII
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    CARBON BLACK
    • Publication number 20150291777
    • Publication date Oct 15, 2015
    • Sumitomo Chemical Company, Limited
    • Yohei Fujii
    • B60 - VEHICLES IN GENERAL