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Hirofumi ASADA

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  • Niihama-shi, Ehime, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lens and eyewear
    • Patent number 11,886,048
    • Issue date Jan 30, 2024
    • Mitsui Chemicals, Inc.
    • Tsuyoshi Kamibeppu
    • G02 - OPTICS
  • Information Patent Grant

    Eyewear
    • Patent number 11,561,412
    • Issue date Jan 24, 2023
    • Mitsui Chemicals, Inc.
    • Ryuki Kan
    • G02 - OPTICS
  • Information Patent Grant

    Lens and eyewear
    • Patent number 11,249,327
    • Issue date Feb 15, 2022
    • Mitsui Chemicals, Inc.
    • Tsuyoshi Kamibeppu
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    LENS AND EYEWEAR
    • Publication number 20220137434
    • Publication date May 5, 2022
    • Mitsui Chemicals, Inc.
    • Tsuyoshi KAMIBEPPU
    • G02 - OPTICS
  • Information Patent Application

    EYEWEAR SYSTEM
    • Publication number 20210041723
    • Publication date Feb 11, 2021
    • Mitsui Chemicals, Inc.
    • Eiichiro HIKOSAKA
    • G02 - OPTICS
  • Information Patent Application

    LENS AND METHOD FOR MANUFACTURING LENS
    • Publication number 20210026159
    • Publication date Jan 28, 2021
    • Mitsui Chemicals, Inc.
    • Akihiro MURAMATSU
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    EYEWEAR
    • Publication number 20200363567
    • Publication date Nov 19, 2020
    • Ryuki KAN
    • G02 - OPTICS
  • Information Patent Application

    LENS AND EYEWEAR
    • Publication number 20190324294
    • Publication date Oct 24, 2019
    • Mitsui Chemicals, Inc.
    • Tsuyoshi KAMIBEPPU
    • G02 - OPTICS