TREA

Takafumi Ohto

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  • Nagoya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Frame and eyewear
    • Patent number 12,210,222
    • Issue date Jan 28, 2025
    • Carl Zeiss Vision International GmbH
    • 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

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

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

    Frame component, temple, frame, and eyewear
    • Patent number 11,402,668
    • Issue date Aug 2, 2022
    • Mitsui Chemicals, Inc.
    • Ryuki Kan
    • F21 - LIGHTING
  • Information Patent Grant

    Sensor module, temple, frame and eyewear
    • Patent number 11,294,204
    • Issue date Apr 5, 2022
    • Mitsui Chemicals, Inc.
    • Ryuki Kan
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Eyewear
    • Patent number 11,294,199
    • Issue date Apr 5, 2022
    • Mitsui Chemicals, Inc.
    • Ryuki Kan
    • G02 - OPTICS
  • Information Patent Grant

    Eyeglasses
    • Patent number D860304
    • Issue date Sep 17, 2019
    • Mitsui Chemicals, Inc.
    • Ryuki Kan
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Eyeglasses
    • Patent number D848523
    • Issue date May 14, 2019
    • Mitsui Chemicals, Inc.
    • Ryuki Kan
    • D16 - Photography and optical equipment

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

    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, ELECTRICITY SUPPLY DEVICE FOR EYEWEAR AND EYEWEAR SET
    • Publication number 20210389605
    • Publication date Dec 16, 2021
    • Mitsui Chemicals, Inc.
    • Ryuki KAN
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

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

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

    EYEWEAR
    • Publication number 20200271951
    • Publication date Aug 27, 2020
    • Mitsui Chemicals, Inc.
    • Ryuki KAN
    • G02 - OPTICS
  • Information Patent Application

    FRAME COMPONENT, TEMPLE, FRAME, AND EYEWEAR
    • Publication number 20200225510
    • Publication date Jul 16, 2020
    • Mitsui Chemicals, Inc.
    • Ryuki KAN
    • F21 - LIGHTING
  • Information Patent Application

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

    SENSOR MODULE, TEMPLE, FRAME AND EYEWEAR
    • Publication number 20190346697
    • Publication date Nov 14, 2019
    • Mitsui Chemicals, Inc.
    • Ryuki KAN
    • G06 - COMPUTING CALCULATING COUNTING