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Yoichi HOSOKAWA

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical modulator
    • Patent number 10,598,862
    • Issue date Mar 24, 2020
    • Sumitomo Osaka Cement Co., Ltd.
    • Norikazu Miyazaki
    • G02 - OPTICS
  • Information Patent Grant

    Optical waveguide element
    • Patent number 10,578,893
    • Issue date Mar 3, 2020
    • Sumitomo Osaka Cement Co., Ltd.
    • Yoichi Hosokawa
    • G02 - OPTICS
  • Information Patent Grant

    Optical waveguide device
    • Patent number 10,416,388
    • Issue date Sep 17, 2019
    • Sumitomo Osaka Cement Co., Ltd.
    • Yuu Kataoka
    • G02 - OPTICS
  • Information Patent Grant

    Waveguide optical element
    • Patent number 10,228,605
    • Issue date Mar 12, 2019
    • Sumitomo Osaka Cement Co., Ltd.
    • Norikazu Miyazaki
    • G02 - OPTICS
  • Information Patent Grant

    Optical modulator
    • Patent number 10,088,699
    • Issue date Oct 2, 2018
    • Sumitomo Osaka Cement Co., Ltd.
    • Norikazu Miyazaki
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20210026167
    • Publication date Jan 28, 2021
    • Sumitomo Osaka Cement Co., Ltd.
    • Yuki KUGIMOTO
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL WAVEGUIDE ELEMENT
    • Publication number 20190302493
    • Publication date Oct 3, 2019
    • Sumitomo Osaka Cement Co., Ltd.
    • Yoichi HOSOKAWA
    • G02 - OPTICS
  • Information Patent Application

    WAVEGUIDE OPTICAL ELEMENT
    • Publication number 20180284558
    • Publication date Oct 4, 2018
    • Sumitomo Osaka Cement Co., Ltd.
    • Norikazu Miyazaki
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20180284352
    • Publication date Oct 4, 2018
    • Sumitomo Osaka Cement Co., Ltd.
    • Norikazu MIYAZAKI
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL WAVEGUIDE DEVICE
    • Publication number 20180284351
    • Publication date Oct 4, 2018
    • Sumitomo Osaka Cement Co., Ltd.
    • Yuu KATAOKA
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20180059445
    • Publication date Mar 1, 2018
    • Sumitomo Osaka Cement Co., Ltd.
    • Norikazu MIYAZAKI
    • G02 - OPTICS