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Yuichiro Okunuki

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical semiconductor device
    • Patent number 11,722,224
    • Issue date Aug 8, 2023
    • Mitsubishi Electric Corporation
    • Ryosuke Nagao
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser device and method for manufacturing semiconduct...
    • Patent number 10,855,054
    • Issue date Dec 1, 2020
    • Mitsubishi Electric Corporation
    • Ayumi Fuchida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical semiconductor device
    • Patent number 10,784,649
    • Issue date Sep 22, 2020
    • Mitsubishi Electric Corporation
    • Go Sakaino
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Edge-emitting semiconductor laser
    • Patent number 10,063,033
    • Issue date Aug 28, 2018
    • Mitsubishi Electric Corporation
    • Ayumi Fuchida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical semiconductor device
    • Patent number 9,929,530
    • Issue date Mar 27, 2018
    • Mitsubishi Electric Corporation
    • Yosuke Suzuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser device
    • Patent number 8,233,514
    • Issue date Jul 31, 2012
    • Mitsubishi Electric Corporation
    • Yuichiro Okunuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser device
    • Patent number 8,094,696
    • Issue date Jan 10, 2012
    • Mitsubishi Electric Corporation
    • Yuichiro Okunuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser
    • Patent number 7,835,413
    • Issue date Nov 16, 2010
    • Mitsubishi Electric Corporation
    • Tohru Takiguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Distributed feedback laser diode
    • Patent number 7,359,423
    • Issue date Apr 15, 2008
    • Mitsubishi Denki Kabushiki Kaisha
    • Yuichiro Okunuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser
    • Patent number 7,298,769
    • Issue date Nov 20, 2007
    • Mitsubishi Denki Kabushiki Kaisha
    • Chikara Watatani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method and device for testing semiconductor laser
    • Patent number 7,075,324
    • Issue date Jul 11, 2006
    • Mitsubishi Denki Kabushiki Kaisha
    • Yuichiro Okunuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser and element for optical communication
    • Patent number 7,039,084
    • Issue date May 2, 2006
    • Mitsubishi Denki Kabushiki Kaisha
    • Yuichiro Okunuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Distributed feedback laser device
    • Patent number 6,912,239
    • Issue date Jun 28, 2005
    • Mitsubishi Denki Kabushiki Kaisha
    • Yuichiro Okunuki
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL SEMICONDUCTOR DEVICE
    • Publication number 20220116117
    • Publication date Apr 14, 2022
    • Mitsubishi Electric Corporation
    • Ryosuke NAGAO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL SEMICONDUCTOR DEVICE
    • Publication number 20200083671
    • Publication date Mar 12, 2020
    • Mitsubishi Electric Corporation
    • Go SAKAINO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR LASER DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCT...
    • Publication number 20190334317
    • Publication date Oct 31, 2019
    • Mitsubishi Electric Corporation
    • Ayumi FUCHIDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    EDGE-EMITTING SEMICONDUCTOR LASER
    • Publication number 20170346256
    • Publication date Nov 30, 2017
    • Mitsubishi Electric Corporation
    • Ayumi FUCHIDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL SEMICONDUCTOR DEVICE
    • Publication number 20170214215
    • Publication date Jul 27, 2017
    • Mitsubishi Electric Corporation
    • Yosuke SUZUKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR LASER DEVICE
    • Publication number 20120269219
    • Publication date Oct 25, 2012
    • Mitsubishi Electric Corporation
    • Yuichiro Okunuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR LASER DEVICE
    • Publication number 20120076168
    • Publication date Mar 29, 2012
    • Mitsubishi Electric Corporation
    • Yuichiro Okunuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR LASER DEVICE
    • Publication number 20100246623
    • Publication date Sep 30, 2010
    • Mitsubishi Electric Corporation
    • Yuichiro Okunuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR LASER AND MANUFACTURING METHOD THEREFOR
    • Publication number 20090290611
    • Publication date Nov 26, 2009
    • Mitsubishi Electric Corporation
    • Tohru Takiguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor laser
    • Publication number 20060268952
    • Publication date Nov 30, 2006
    • Mitsubishi Denki Kabushiki Kaisha
    • Chikara Watatani
    • B82 - NANO-TECHNOLOGY
  • Information Patent Application

    Semiconductor laser
    • Publication number 20060093005
    • Publication date May 4, 2006
    • Mitsubishi Denki Kabushiki Kaisha
    • Yuichiro Okunuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Distributed feedback laser diode
    • Publication number 20050276302
    • Publication date Dec 15, 2005
    • Mitsubishi Denki Kabushiki Kaisha
    • Yuichiro Okunuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Method and device for testing semiconductor laser
    • Publication number 20050164415
    • Publication date Jul 28, 2005
    • Mitsubishi Denki Kabushiki Kaisha
    • Yuichiro Okunuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor laser and element for optical communication
    • Publication number 20040076206
    • Publication date Apr 22, 2004
    • Mitsubishi Denki Kabushiki Kaisha
    • Yuichiro Okunuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Distributed feedback laser device
    • Publication number 20030152126
    • Publication date Aug 14, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Yuichiro Okunuki
    • H01 - BASIC ELECTRIC ELEMENTS