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Taizo TATSUMI

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  • Yokohama-shi, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20240120396
    • Publication date Apr 11, 2024
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20230042301
    • Publication date Feb 9, 2023
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20220337197
    • Publication date Oct 20, 2022
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20220059495
    • Publication date Feb 24, 2022
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    HIGH-FREQUENCY SWITCH CIRCUIT AND FRONT-END CIRCUIT INCLUDING SAME
    • Publication number 20210320389
    • Publication date Oct 14, 2021
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DRIVING CIRCUIT FOR OPTICAL DEVICE
    • Publication number 20210141247
    • Publication date May 13, 2021
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    DRIVING CIRCUIT FOR OPTICAL MODULATOR
    • Publication number 20200241331
    • Publication date Jul 30, 2020
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    OPTICAL RECEIVER CIRCUIT
    • Publication number 20200145114
    • Publication date May 7, 2020
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL MODULATION APPARATUS
    • Publication number 20190094647
    • Publication date Mar 28, 2019
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • G02 - OPTICS
  • Information Patent Application

    DRIVE CIRCUIT
    • Publication number 20180356654
    • Publication date Dec 13, 2018
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    INTEGRATED CIRCUIT DEVICE
    • Publication number 20180342987
    • Publication date Nov 29, 2018
    • SUMITOMO ELECTRIC INDUSTRIES, LTD,
    • Naoki Itabashi
    • G01 - MEASURING TESTING
  • Information Patent Application

    DRIVER CIRCUIT
    • Publication number 20180287575
    • Publication date Oct 4, 2018
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • G02 - OPTICS
  • Information Patent Application

    DRIVING CIRCUIT FOR OPTICAL MODULATOR
    • Publication number 20180210239
    • Publication date Jul 26, 2018
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • G02 - OPTICS
  • Information Patent Application

    DRIVER CIRCUIT FOR OPTICAL TRANSMITTER
    • Publication number 20180160532
    • Publication date Jun 7, 2018
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL MODULATION DEVICE
    • Publication number 20180039152
    • Publication date Feb 8, 2018
    • Sumitomo Electric Industries, Ltd.
    • Akira FURUYA
    • G02 - OPTICS
  • Information Patent Application

    TRANS-IMPEDANCE AMPLIFIER AND OPTICAL RECEIVER INCLUDING THE SAME
    • Publication number 20170163352
    • Publication date Jun 8, 2017
    • Sumitomo Electric Industries, Ltd.
    • Yoshiyuki SUGIMOTO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    TRAVELING WAVE AMPLIFIER FOR DRIVING OPTICAL MODULATOR
    • Publication number 20160380699
    • Publication date Dec 29, 2016
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DIFFERENTIAL AMPLIFIER
    • Publication number 20160285427
    • Publication date Sep 29, 2016
    • Sumitomo Electric Industries, Ltd.
    • Naoki ITABASHI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    OPTICAL MODULATOR DRIVER
    • Publication number 20160070123
    • Publication date Mar 10, 2016
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • G02 - OPTICS
  • Information Patent Application

    DIFFERENTIAL AMPLIFIER
    • Publication number 20160072460
    • Publication date Mar 10, 2016
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    TRAVELING-WAVE AMPLIFIER
    • Publication number 20160072462
    • Publication date Mar 10, 2016
    • Sumitomo Electric Industries, Ltd.
    • Naoki ITABASHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    TRAVELLING WAVE AMPLIFIER (TWA) FOR DRIVING OPTICAL MODULATOR
    • Publication number 20160065154
    • Publication date Mar 3, 2016
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    DRIVING CIRCUIT FOR DRIVING NON-LINEAR OPTICAL MODULATOR BY SIGNAL...
    • Publication number 20150263812
    • Publication date Sep 17, 2015
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DETECTION CIRCUIT FOR DETECTING SIGNAL AMPLITUDE
    • Publication number 20150084674
    • Publication date Mar 26, 2015
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    TRAVELLING WAVE AMPLIFIER PROVIDING CASCADE UNITS EACH INCLUDING DY...
    • Publication number 20140333374
    • Publication date Nov 13, 2014
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    OPTICAL MODULATOR MODULE AND SEMICONDUCTOR OPTICAL MODULATOR
    • Publication number 20140241659
    • Publication date Aug 28, 2014
    • Sumitomo Electric Industries, Ltd.
    • Chie FUKUDA
    • G02 - OPTICS
  • Information Patent Application

    DRIVER FOR ELECTRO-ABSORPTION MODULATOR
    • Publication number 20140233083
    • Publication date Aug 21, 2014
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • G02 - OPTICS
  • Information Patent Application

    Differential Amplifier
    • Publication number 20140132348
    • Publication date May 15, 2014
    • Sumitomo Electric Industries, Ltd.
    • Naoki ITABASHI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    TRAVELING WAVE AMPLIFIER WITH SUPPRESSED JITTER
    • Publication number 20130307619
    • Publication date Nov 21, 2013
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    DRIVER CIRCUIT CONFIGURED WITH TRAVELLING WAVE AMPLIFIER
    • Publication number 20130229699
    • Publication date Sep 5, 2013
    • Sumitomo Electric Industries, Ltd.
    • Taizo TATSUMI
    • G02 - OPTICS