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Akihiro Muramatsu

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Patents Grantslast 30 patents

  • Information Patent Grant

    Eyewear
    • Patent number 11,953,757
    • Issue date Apr 9, 2024
    • Mitsui Chemicals, Inc.
    • Akihiro Muramatsu
    • G02 - OPTICS
  • Information Patent Grant

    Eyewear, and non-transitory computer-readable recording medium
    • Patent number 11,934,045
    • Issue date Mar 19, 2024
    • Mitsui Chemicals, Inc.
    • Ryuki Kan
    • G06 - COMPUTING CALCULATING COUNTING
  • 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

    Spectacles
    • Patent number D983865
    • Issue date Apr 18, 2023
    • Yoshinobu Okada
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Eyewear
    • Patent number 11,614,641
    • Issue date Mar 28, 2023
    • Mitsui Chemicals, Inc.
    • Akihiro Muramatsu
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Lens unit
    • Patent number 11,513,368
    • Issue date Nov 29, 2022
    • Mitsui Chemicals, Inc.
    • Eiichiro Hikosaka
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Eyewear case
    • Patent number 11,425,977
    • Issue date Aug 30, 2022
    • Mutsui Chemicals, Inc.
    • Ryuki Kan
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Lens, lens blank, and eyewear
    • Patent number 11,314,119
    • Issue date Apr 26, 2022
    • Mitsui Chemicals, Inc.
    • Yoshinobu Okada
    • 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
  • Information Patent Grant

    Lens, lens blank, and eyewear
    • Patent number 10,859,865
    • Issue date Dec 8, 2020
    • Mitsui Chemicals, Inc.
    • Yoshinobu Okada
    • G02 - OPTICS
  • Information Patent Grant

    Lens, lens blank, and eyewear
    • Patent number 10,423,011
    • Issue date Sep 24, 2019
    • Mitsui Chemicals, Inc.
    • Ronald D. Blum
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semi-finished blank for varifocal lens, varifocal lens, and varifoc...
    • Patent number 8,979,262
    • Issue date Mar 17, 2015
    • Mitsui Chemicals, Inc.
    • Kouji Sone
    • G02 - OPTICS
  • Information Patent Grant

    Projector lens system
    • Patent number 7,460,307
    • Issue date Dec 2, 2008
    • Panasonic Corporation
    • Akihiro Muramatsu
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens, and its manufacturing method
    • Patent number 6,650,484
    • Issue date Nov 18, 2003
    • Matsushita Electric Industrial Co., Ltd.
    • Yasuhisa Kitaoka
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    FRAME AND EYEWEAR
    • Publication number 20220357598
    • Publication date Nov 10, 2022
    • Mitsui Chemicals, Inc.
    • Akihiro MURAMATSU
    • G02 - OPTICS
  • 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, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM
    • Publication number 20220035180
    • Publication date Feb 3, 2022
    • Mitsui Chemicals, Inc.
    • Ryuki KAN
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    EYEWEAR
    • Publication number 20210132418
    • Publication date May 6, 2021
    • Mitsui Chemicals, Inc.
    • Akihiro MURAMATSU
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    LENS, LENS BLANK, AND EYEWEAR
    • Publication number 20210055602
    • Publication date Feb 25, 2021
    • Mitsui Chemicals, Inc.
    • Yoshinobu OKADA
    • 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 UNIT
    • Publication number 20210033890
    • Publication date Feb 4, 2021
    • Mitsui Chemicals, Inc.
    • Eiichiro HIKOSAKA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • 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 20210026157
    • Publication date Jan 28, 2021
    • Mitsui Chemicals, Inc.
    • Akihiro MURAMATSU
    • G02 - OPTICS
  • Information Patent Application

    EYEWEAR CASE
    • Publication number 20200383441
    • Publication date Dec 10, 2020
    • Mitsui Chemicals, Inc.
    • Ryuki KAN
    • G02 - OPTICS
  • Information Patent Application

    EYEWEAR
    • Publication number 20200133031
    • Publication date Apr 30, 2020
    • Mitsui Chemicals, Inc.
    • Akihiro MURAMATSU
    • G02 - OPTICS
  • Information Patent Application

    EYEWEAR
    • Publication number 20200133025
    • Publication date Apr 30, 2020
    • Mitsui Chemicals, Inc.
    • Akihiro MURAMATSU
    • G02 - OPTICS
  • Information Patent Application

    LENS, LENS BLANK, AND EYEWEAR
    • Publication number 20200026098
    • Publication date Jan 23, 2020
    • Mitsui Chemicals, Inc.
    • Yoshinobu OKADA
    • G02 - OPTICS
  • Information Patent Application

    LENS, LENS BLANK, AND EYEWEAR
    • Publication number 20200004049
    • Publication date Jan 2, 2020
    • Mitsui Chemicals, Inc.
    • Yoshinobu OKADA
    • G02 - OPTICS
  • Information Patent Application

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

    LENS, LENS BLANK, AND EYEWEAR
    • Publication number 20170108713
    • Publication date Apr 20, 2017
    • Mitsui Chemicals, Inc.
    • Ronald D. BLUM
    • G02 - OPTICS
  • Information Patent Application

    SEMI-FINISHED BLANK FOR VARIFOCAL LENS, VARIFOCAL LENS, AND VARIFO...
    • Publication number 20140002791
    • Publication date Jan 2, 2014
    • PANASONIC CORPORATION
    • Kouji SONE
    • G02 - OPTICS
  • Information Patent Application

    SEMI-FINISHED BLANK FOR VARIFOCAL LENS, VARIFOCAL LENS, AND VARIFOC...
    • Publication number 20120154741
    • Publication date Jun 21, 2012
    • Kouji SONE
    • G02 - OPTICS
  • Information Patent Application

    Projector Lens System
    • Publication number 20070217030
    • Publication date Sep 20, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Akihiro Muramatsu
    • G02 - OPTICS
  • Information Patent Application

    Zoom lens, and its manufacturing method
    • Publication number 20020191304
    • Publication date Dec 19, 2002
    • Yasuhisa Kitaoka
    • G02 - OPTICS