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Tsukuru Katsuyama

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  • Yokohama, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL APPARATUS
    • Publication number 20210336417
    • Publication date Oct 28, 2021
    • Sumitomo Electric Industries, Ltd.
    • Jun-ichi HASHIMOTO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR LASER
    • Publication number 20200203932
    • Publication date Jun 25, 2020
    • Sumitomo Electric Industries, Ltd.
    • Tsukuru KATSUYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR LASER
    • Publication number 20180261982
    • Publication date Sep 13, 2018
    • Sumitomo Electric Industries, Ltd.
    • Tsukuru KATSUYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR LASER
    • Publication number 20180261980
    • Publication date Sep 13, 2018
    • Sumitomo Electric Industries, Ltd.
    • Tsukuru KATSUYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR LASER
    • Publication number 20180261981
    • Publication date Sep 13, 2018
    • Sumitomo Electric Industries, Ltd.
    • Tsukuru KATSUYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR LASER
    • Publication number 20180183213
    • Publication date Jun 28, 2018
    • Sumitomo Electric Industries, Ltd.
    • Tsukuru KATSUYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    QUANTUM CASCADE LASER
    • Publication number 20170141542
    • Publication date May 18, 2017
    • Sumitomo Electric Industries, Ltd.
    • Hiroyuki YOSHINAGA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    QUANTUM CASCADE LASER
    • Publication number 20170040769
    • Publication date Feb 9, 2017
    • Sumitomo Electric Industries, Ltd.
    • Jun-ichi HASHIMOTO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor optical device
    • Publication number 20080240195
    • Publication date Oct 2, 2008
    • Tsukuru Katsuyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor Surface Emitting Device
    • Publication number 20080151958
    • Publication date Jun 26, 2008
    • Tsukuru Katsuyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor optical device
    • Publication number 20060060876
    • Publication date Mar 23, 2006
    • Tsukuru Katsuyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor optical device
    • Publication number 20060060875
    • Publication date Mar 23, 2006
    • Tsukuru Katsuyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor optical device
    • Publication number 20060043408
    • Publication date Mar 2, 2006
    • Jun-ichi Hashimoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor optical device
    • Publication number 20060017062
    • Publication date Jan 26, 2006
    • Jun-ichi Hashimoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor optical device
    • Publication number 20050280021
    • Publication date Dec 22, 2005
    • Jun-ichi Hashimoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Optical integrated device
    • Publication number 20050220158
    • Publication date Oct 6, 2005
    • Kenji Koyama
    • G02 - OPTICS
  • Information Patent Application

    Optical integrated device
    • Publication number 20050220391
    • Publication date Oct 6, 2005
    • Jun-ichi Hashimoto
    • G02 - OPTICS
  • Information Patent Application

    Optical integrated device
    • Publication number 20050220392
    • Publication date Oct 6, 2005
    • Jun-ichi Hashimoto
    • G02 - OPTICS
  • Information Patent Application

    Semiconductor surface emitting device
    • Publication number 20050135450
    • Publication date Jun 23, 2005
    • Tsukuru Katsuyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Optical waveguide module
    • Publication number 20050117831
    • Publication date Jun 2, 2005
    • Takeo Komiya
    • G02 - OPTICS
  • Information Patent Application

    Semiconductor optical device
    • Publication number 20040136427
    • Publication date Jul 15, 2004
    • Jun-ichi Hashimoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor optical device
    • Publication number 20040119080
    • Publication date Jun 24, 2004
    • Jun-ichi Hashimoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Integrated optical element, integrated optical element fabrication...
    • Publication number 20040057653
    • Publication date Mar 25, 2004
    • SUMITOMO ELECTRIC INDUSTRIES, LTD.
    • Chie Fukuda
    • G02 - OPTICS
  • Information Patent Application

    Light-receiving device
    • Publication number 20020149827
    • Publication date Oct 17, 2002
    • Yasushi Fujimura
    • H01 - BASIC ELECTRIC ELEMENTS