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Kohsei Takahashi

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light-emitting device
    • Patent number 11,641,009
    • Issue date May 2, 2023
    • National Institute of Advanced Industrial Science and Technology
    • Takashi Fukuda
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Lighting device with plural fluorescent materials
    • Patent number 9,711,686
    • Issue date Jul 18, 2017
    • Sharp Kabushiki Kaisha
    • Kenichi Yoshimura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light-emitting device
    • Patent number 9,631,140
    • Issue date Apr 25, 2017
    • SHARP KABUSHIKI KAISHA
    • Kenichi Yoshimura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor light-emitting device
    • Patent number 9,570,655
    • Issue date Feb 14, 2017
    • Sharp Kabushiki Kaisha
    • Kenichi Yoshimura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light emitting device
    • Patent number 9,322,529
    • Issue date Apr 26, 2016
    • Sharp Kabushiki Kaisha
    • Kenichi Yoshimura
    • F21 - LIGHTING
  • Information Patent Grant

    Method of manufacturing phosphor, light-emitting device, and image...
    • Patent number 9,279,079
    • Issue date Mar 8, 2016
    • Sharp Kabushiki Kaisha
    • Kohsei Takahashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Light-emitting device
    • Patent number 8,928,005
    • Issue date Jan 6, 2015
    • Sharp Kabushiki Kaisha
    • Kenichi Yoshimura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Light-emitting device
    • Patent number 8,901,591
    • Issue date Dec 2, 2014
    • Sharp Kabushiki Kaisha
    • Kenichi Yoshimura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Light-emitting device
    • Patent number 8,674,392
    • Issue date Mar 18, 2014
    • Sharp Kabushiki Kaisha
    • Kenichi Yoshimura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Oxynitride phosphor and light emitting device
    • Patent number 7,611,642
    • Issue date Nov 3, 2009
    • Sharp Kabushiki Kaisha
    • Kohsei Takahashi
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Oxynitride phosphor and semiconductor light-emitting device
    • Patent number 7,494,606
    • Issue date Feb 24, 2009
    • Sharp Kabushiki Kaisha
    • Kohsei Takahashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser device
    • Patent number 4,899,349
    • Issue date Feb 6, 1990
    • Sharp Kabushiki Kaisha
    • Toshiro Hayakawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Quantum well semiconductor laser device
    • Patent number 4,860,297
    • Issue date Aug 22, 1989
    • Sharp Kabushiki Kaisha
    • Toshiro Hayakawa
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Semiconductor laser device having a graded index waveguide
    • Patent number 4,841,533
    • Issue date Jun 20, 1989
    • Sharp Kabushiki Kaisha
    • Toshiro Hayakawa
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Semiconductor laser
    • Patent number 4,835,783
    • Issue date May 30, 1989
    • Sharp Kabushiki Kaisha
    • Takahiro Suyama
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Method for the production of semiconductor devices
    • Patent number 4,824,518
    • Issue date Apr 25, 1989
    • Sharp Kabushiki Kaisha
    • Toshiro Hayakawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser device
    • Patent number 4,807,235
    • Issue date Feb 21, 1989
    • 501 Sharp Kabushiki Kaisha
    • Takahiro Suyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 4,806,994
    • Issue date Feb 21, 1989
    • Sharp Kabushiki Kaisha
    • Toshiro Hayakawa
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Quantum well semiconductor laser device
    • Patent number 4,787,089
    • Issue date Nov 22, 1988
    • Sharp Kabushiki Kaisha
    • Toshiro Hayakawa
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Semiconductor laser device
    • Patent number 4,769,822
    • Issue date Sep 6, 1988
    • Sharp Kabushiki Kaisha
    • Takahiro Suyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical semiconductor device
    • Patent number 4,761,790
    • Issue date Aug 2, 1988
    • Sharp Kabushiki Kaisha
    • Toshiro Hayakawa
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Semiconductor laser device
    • Patent number 4,750,183
    • Issue date Jun 7, 1988
    • Sharp Kabushiki Kaisha
    • Kohsei Takahashi
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Separate confinement heterostructure semiconductor laser device
    • Patent number 4,745,612
    • Issue date May 17, 1988
    • Sharp Kabushiki Kaisha
    • Toshiro Hayakawa
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Semiconductor laser array device
    • Patent number 4,737,959
    • Issue date Apr 12, 1988
    • Sharp Kabushiki Kaisha
    • Takahiro Suyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser apparatus
    • Patent number 4,720,833
    • Issue date Jan 19, 1988
    • Sharp Kabushiki Kaisha
    • Takahiro Suyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Apparatus for the growth of semiconductor crystals
    • Patent number 4,693,207
    • Issue date Sep 15, 1987
    • Sharp Kabushiki Kaisha
    • Toshiro Hayakawa
    • C30 - CRYSTAL GROWTH

Patents Applicationslast 30 patents

  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20210249569
    • Publication date Aug 12, 2021
    • NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    • Takashi FUKUDA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    LIGHT EMITTING DEVICE
    • Publication number 20160223147
    • Publication date Aug 4, 2016
    • Sharp Kabushiki Kaisha
    • Kenichi YOSHIMURA
    • F21 - LIGHTING
  • Information Patent Application

    LIGHTING DEVICE WITH PLURAL FLUORESCENT MATERIALS
    • Publication number 20160204311
    • Publication date Jul 14, 2016
    • Sharp Kabushiki Kaisha
    • Kenichi YOSHIMURA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20150357529
    • Publication date Dec 10, 2015
    • Sharp Kabushiki Kaisha
    • Kenichi YOSHIMURA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LIGHT EMITTING DEVICE
    • Publication number 20140233209
    • Publication date Aug 21, 2014
    • Sharp Kabushiki Kaisha
    • Kenichi Yoshimura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    SEMICONDUCTOR LIGHT-EMITTING DEVICE
    • Publication number 20130285104
    • Publication date Oct 31, 2013
    • Sharp Kabushiki Kaisha
    • Kenichi Yoshimura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20130277698
    • Publication date Oct 24, 2013
    • Kenichi Yoshimura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20130207146
    • Publication date Aug 15, 2013
    • Sharp Kabushiki Kaisha
    • Kenichi Yoshimura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20120319155
    • Publication date Dec 20, 2012
    • Independent Administrative Institution, National Institute for Materials Science
    • Kenichi Yoshimura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    LIQUID CRYSTAL DISPLAY
    • Publication number 20120162573
    • Publication date Jun 28, 2012
    • Kohsei Takahashi
    • G02 - OPTICS
  • Information Patent Application

    LIGHTING DEVICE AND VEHICLE HEADLAMP
    • Publication number 20120139409
    • Publication date Jun 7, 2012
    • SHARP KABUSHIKI KAISHA
    • Katsuhiko KISHIMOTO
    • F21 - LIGHTING
  • Information Patent Application

    ILLUMINATION APPARATUS AND VEHICULAR HEADLAMP
    • Publication number 20120106186
    • Publication date May 3, 2012
    • SHARP KABUSHIKI KAISHA
    • Katsuhiko KISHIMOTO
    • F21 - LIGHTING
  • Information Patent Application

    ILLUMINATION APPARATUS AND VEHICULAR HEADLAMP
    • Publication number 20120106184
    • Publication date May 3, 2012
    • SHARP KABUSHIKI KAISHA
    • Katsuhiko KISHIMOTO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20120104448
    • Publication date May 3, 2012
    • Kenichi Yoshimura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    Phosphor and light emitting device
    • Publication number 20100283381
    • Publication date Nov 11, 2010
    • Sharp Kabushiki Kaisha
    • Kohsei Takahashi
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    Method of manufacturing phosphor, light-emitting device, and image...
    • Publication number 20080297031
    • Publication date Dec 4, 2008
    • national institute for materials science
    • Kohsei Takahashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    Oxynitride phosphor and light emitting device
    • Publication number 20070278930
    • Publication date Dec 6, 2007
    • SHARP KABUSHIKI KAISHA
    • Kohsei Takahashi
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    Oxynitride phosphor and semiconductor light-emitting device
    • Publication number 20060186377
    • Publication date Aug 24, 2006
    • SHARP KABUSHIKI KAISHA
    • Kohsei Takahashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...