TREA

Keiichi Nakanishi

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  • Osaka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polarizable compact
    • Patent number 11,701,848
    • Issue date Jul 18, 2023
    • TOKAI SEIMITSU INDUSTRIAL CO., LTD.
    • Norihito Souma
    • G02 - OPTICS
  • Information Patent Grant

    Screwless hinges for eyewear
    • Patent number 11,226,495
    • Issue date Jan 18, 2022
    • Marchon Eyewear, Inc.
    • Alessandro Pol
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    SCREWLESS HINGES FOR EYEWEAR
    • Publication number 20200241319
    • Publication date Jul 30, 2020
    • Marchon Eyewear, Inc.
    • Alessandro Pol
    • G02 - OPTICS
  • Information Patent Application

    POLARIZABLE COMPACT
    • Publication number 20200218090
    • Publication date Jul 9, 2020
    • TOKAI SEIMITSU INDUSTRIAL CO., LTD.
    • Norihito Souma
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    POLARIZABLE COMPACT
    • Publication number 20180203258
    • Publication date Jul 19, 2018
    • TOKAI SEIMITSU INDUSTRIAL CO., LTD.
    • Norihito Souma
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL