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Mitsuteru Ishikawa

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  • Yokosuka-shi, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical Module
    • Publication number 20250203758
    • Publication date Jun 19, 2025
    • Nippon Telegraph and Telephone Corporation
    • Josuke Ozaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    High-Speed Optical Transceiver
    • Publication number 20250070888
    • Publication date Feb 27, 2025
    • Nippon Telegraph and Telephone Corporation
    • Yoshihiro Ogiso
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Photonic Integrated Circuit
    • Publication number 20230333334
    • Publication date Oct 19, 2023
    • Nippon Telegraph and Telephone Corporation
    • Yusuke Saito
    • G02 - OPTICS
  • Information Patent Application

    Semiconductor IQ Modulator
    • Publication number 20230273497
    • Publication date Aug 31, 2023
    • Nippon Telegraph and Telephone Corporation
    • Josuke Ozaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Tunable Laser Diode
    • Publication number 20230187903
    • Publication date Jun 15, 2023
    • Nippon Telegraph and Telephone Corporation
    • Yuta Ueda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    High-Speed Optical Transceiver
    • Publication number 20230069120
    • Publication date Mar 2, 2023
    • Nippon Telegraph and Telephone Corporation
    • Yoshihiro Ogiso
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Manufacturing Method of Monolithic Mirror
    • Publication number 20230026756
    • Publication date Jan 26, 2023
    • Nippon Telegraph and Telephone Corporation
    • Yusuke Saito
    • G02 - OPTICS
  • Information Patent Application

    Tunable Light Source
    • Publication number 20230006419
    • Publication date Jan 5, 2023
    • Nippon Telegraph and Telephone Corporation
    • Yuta Ueda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    IQ Optical Modulator
    • Publication number 20220326585
    • Publication date Oct 13, 2022
    • Nippon Telegraph and Telephone Corporation
    • Yoshihiro Ogiso
    • G02 - OPTICS
  • Information Patent Application

    Semiconductor Optical Modulator and Method of Manufacturing the Same
    • Publication number 20220260862
    • Publication date Aug 18, 2022
    • Nippon Telegraph and Telephone Corporation
    • Yoshihiro Ogiso
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Optical Integrated Circuit
    • Publication number 20220231476
    • Publication date Jul 21, 2022
    • Nippon Telegraph and Telephone Corporation
    • Yuta Ueda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Surface Emission Optical Circuit and Surface Emission Light Source...
    • Publication number 20220229229
    • Publication date Jul 21, 2022
    • Nippon Telegraph and Telephone Corporation
    • Yusuke Saito
    • G02 - OPTICS
  • Information Patent Application

    METHOD FOR ESTIMATING AMOUNT OF WAVELENGTH DISPERSION, WAVELENGTH D...
    • Publication number 20140016929
    • Publication date Jan 16, 2014
    • Nippon Telegraph and Telephone Corporation
    • Etsushi Yamazaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    WAVELENGTH DISPERSION AMOUNT ESTIMATION METHOD, WAVELENGTH DISPERSI...
    • Publication number 20130343749
    • Publication date Dec 26, 2013
    • Etsushi Yamazaki
    • G01 - MEASURING TESTING
  • Information Patent Application

    SEMICONDUCTOR OPTICAL MODULATOR AND OPTICAL MODULATING APPARATUS
    • Publication number 20100296769
    • Publication date Nov 25, 2010
    • Tadao Ishibashi
    • G02 - OPTICS