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Yoshiyuki Doi

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  • Kanagawa, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL CONNECTING STRUCTURE, PACKAGE STRUCTURE, OPTICAL MODULE AND...
    • Publication number 20240159969
    • Publication date May 16, 2024
    • Nippon Telegraph and Telephone Corporation
    • Yoshiyuki Doi
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL SEMICONDUCTOR MODULE AND MANUFACTURING METHOD OF THE SAME
    • Publication number 20230314740
    • Publication date Oct 5, 2023
    • Nippon Telegraph and Telephone Corporation
    • Hitoshi Wakita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Wearable Biosignal Measurement Element and Biosignal Measurement De...
    • Publication number 20230210459
    • Publication date Jul 6, 2023
    • Nippon Telegraph and Telephone Corporation
    • Yoshiyuki Doi
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Electrical Stimulation Device and Method
    • Publication number 20220265995
    • Publication date Aug 25, 2022
    • Nippon Telegraph and Telephone Corporation
    • Toshishige Shimamura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Name Tag Transmitter, Smartware Management System, and Smartware Ma...
    • Publication number 20220265191
    • Publication date Aug 25, 2022
    • Nippon Telegraph and Telephone Corporation
    • Yuzo Ishii
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    REHABILITATION ENLIGHTENING DEVICE, SYSTEM, AND METHOD
    • Publication number 20220257924
    • Publication date Aug 18, 2022
    • Nippon Telegraph and Telephone Corporation
    • Toshishige Shimamura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Cable Connection Management System and Cable Connection Management...
    • Publication number 20220255812
    • Publication date Aug 11, 2022
    • Nippon Telegraph and Telephone Corporation
    • Yuichi Okabe
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Electrical Stimulation Device
    • Publication number 20220249838
    • Publication date Aug 11, 2022
    • Nippon Telegraph and Telephone Corporation
    • Toshishige Shimamura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    TACTILE PRESENTATION DEVICE, AND TACTILE PRESENTATION METHOD
    • Publication number 20220237995
    • Publication date Jul 28, 2022
    • Nippon Telegraph and Telephone Corporation
    • Yuichi Okabe
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    OPTICAL MULTIPLEXER/DEMULTIPLEXER
    • Publication number 20150229400
    • Publication date Aug 13, 2015
    • Nippon Telegraph and Telephone Corporation
    • Manabu Oguma
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL SEMICONDUCTOR DEVICE
    • Publication number 20140183677
    • Publication date Jul 3, 2014
    • NTT Electronics Corporation
    • Yoshiyuki Doi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL COMPONENT
    • Publication number 20130136393
    • Publication date May 30, 2013
    • NTT ELECTRONICS CORPORATION
    • Motohaya Ishii
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL COMPONENT
    • Publication number 20130011095
    • Publication date Jan 10, 2013
    • NTT ELECTRONICS CORPORATION
    • Motohaya Ishii
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20130011093
    • Publication date Jan 10, 2013
    • Nippon Telegraph and Telephone Corporation
    • Takashi Goh
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL SEMICONDUCTOR DEVICE
    • Publication number 20120193740
    • Publication date Aug 2, 2012
    • NTT Electronics Corporation
    • Yoshiyuki Doi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20120106888
    • Publication date May 3, 2012
    • Nippon Telegraph and Telephone Corporation
    • Takashi Goh
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20110229070
    • Publication date Sep 22, 2011
    • Nippon Telegraph and Telephone Corporation
    • Yoshiyuki Doi
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULE
    • Publication number 20100322569
    • Publication date Dec 23, 2010
    • Nippon Telegraph and Telephone Corporation
    • Takaharu Ohyama
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL SIGNAL MONITORING APPARATUS, OPTICAL SYSTEM AND OPTICAL SIG...
    • Publication number 20080226290
    • Publication date Sep 18, 2008
    • Nippon Telegraph and Telephone Corporation
    • Takaharu Ohyama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE