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Takemasa Yasukawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    White light emitting device
    • Patent number 7,227,190
    • Issue date Jun 5, 2007
    • Toyoda Gosei Co., Ltd.
    • Takemasa Yasukawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Light source device
    • Patent number 6,953,265
    • Issue date Oct 11, 2005
    • Toyoda Gosei Co., Ltd.
    • Yoshinobu Suehiro
    • F21 - LIGHTING
  • Information Patent Grant

    Semiconductor light-emitting device
    • Patent number 6,831,305
    • Issue date Dec 14, 2004
    • Toyoda Gosei Co., Ltd.
    • Takemasa Yasukawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light-emitting device
    • Patent number 6,774,405
    • Issue date Aug 10, 2004
    • Toyoda Gosei Co., Ltd.
    • Takemasa Yasukawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light emitting apparatus
    • Patent number 6,730,942
    • Issue date May 4, 2004
    • Toyoda Gosei Co., Ltd.
    • Akira Mabuchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Light source device
    • Patent number 6,729,746
    • Issue date May 4, 2004
    • Toyoda Gosei Co., Ltd.
    • Yoshinobu Suehiro
    • F21 - LIGHTING
  • Information Patent Grant

    Light-emitting diode
    • Patent number 6,713,877
    • Issue date Mar 30, 2004
    • Toyoda Gosei Co., Ltd.
    • Atsuo Hirano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light-emitting device
    • Patent number 6,680,490
    • Issue date Jan 20, 2004
    • Toyoda Gosei Co., Ltd.
    • Takemasa Yasukawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light-emitting diode
    • Patent number 6,445,011
    • Issue date Sep 3, 2002
    • Toyoda Gosei Co., Ltd.
    • Atsuo Hirano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light-driven display device
    • Patent number 5,949,346
    • Issue date Sep 7, 1999
    • Toyoda Gosei Co., Ltd.
    • Akihiko Suzuki
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Vehicle display device
    • Patent number 5,815,072
    • Issue date Sep 29, 1998
    • Toyoda Gosei Co., Ltd
    • Osamu Yamanaka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    LED display device
    • Patent number 5,741,058
    • Issue date Apr 21, 1998
    • Toyoda Gosei Co., Ltd.
    • Akihiko Suzuki
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Manufacturing process of rubber layered structure
    • Patent number 5,690,768
    • Issue date Nov 25, 1997
    • Toyoda Gosei Co., Ltd
    • Tadanobu Iwasa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Rubber layered structure and manufacturing process therefor
    • Patent number 5,489,461
    • Issue date Feb 6, 1996
    • Toyoda Gosei Co., Ltd.
    • Tadanobu Iwasa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Weather strip for motor vehicle
    • Patent number 5,085,005
    • Issue date Feb 4, 1992
    • Toyoda Gosei Co., Ltd.
    • Takemasa Yasukawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Wiper blade rubber
    • Patent number 4,912,803
    • Issue date Apr 3, 1990
    • Toyoda Gosei Co., Ltd.
    • Takemasa Yasukawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Wiper blade rubber
    • Patent number 4,716,618
    • Issue date Jan 5, 1988
    • Toyoda Gosei Co., Ltd.
    • Takemasa Yasukawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Wiper blade
    • Patent number 4,669,144
    • Issue date Jun 2, 1987
    • Toyoda Gosei Co., Ltd.
    • Takemasa Yasukawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Wiper blade
    • Patent number 4,658,463
    • Issue date Apr 21, 1987
    • Toyoda Gosei Co., Ltd.
    • Hiroshi Sugita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Wiper blade rubber
    • Patent number 4,638,525
    • Issue date Jan 27, 1987
    • Toyoda Goseki Co., Ltd.
    • Hiroshi Sugita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Wiper blade rubber
    • Patent number 4,622,712
    • Issue date Nov 18, 1986
    • Toyoda Gosei Co., Ltd.
    • Hiroshi Sugita
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    White light emitting device
    • Publication number 20050253158
    • Publication date Nov 17, 2005
    • Takemasa Yasukawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Light source device
    • Publication number 20030202349
    • Publication date Oct 30, 2003
    • TOYODA GOSEI CO., LTD
    • Yoshinobu Suehiro
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Light emitting apparatus
    • Publication number 20030168652
    • Publication date Sep 11, 2003
    • Toyoda Gosei Co., Ltd.
    • Akira Mabuchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Semiconductor light-emitting device
    • Publication number 20030098460
    • Publication date May 29, 2003
    • Takemasa Yasukawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Light-emitting device
    • Publication number 20030006421
    • Publication date Jan 9, 2003
    • Takemasa Yasukawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Light-emitting diode
    • Publication number 20020145205
    • Publication date Oct 10, 2002
    • Atsuo Hirano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Light-emitting device
    • Publication number 20020121645
    • Publication date Sep 5, 2002
    • Takemasa Yasukawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Light source device
    • Publication number 20020024808
    • Publication date Feb 28, 2002
    • Yoshinobu Suehiro
    • H01 - BASIC ELECTRIC ELEMENTS