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Takeshi Takizawa

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  • Shiojiri-shi Nagano-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Illumination optical system and projector using the same
    • Patent number 7,118,229
    • Issue date Oct 10, 2006
    • Seiko Epson Corporation
    • Hisashi Iechika
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Projector having a cooling passage that cools the light source and...
    • Patent number 6,976,760
    • Issue date Dec 20, 2005
    • Seiko Epson Corporation
    • Shinsuke Ito
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical device and projector
    • Patent number 6,866,389
    • Issue date Mar 15, 2005
    • Seiko Epson Corporation
    • Shinsuke Ito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Projection display device
    • Patent number 6,702,444
    • Issue date Mar 9, 2004
    • Seiko Epson Corporation
    • Takeshi Takizawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Optical component with frame members directly attached to a prism b...
    • Patent number 6,657,680
    • Issue date Dec 2, 2003
    • Seiko Epson Corporation
    • Takeshi Takizawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Projector
    • Patent number 6,637,895
    • Issue date Oct 28, 2003
    • Seiko Epson Corporation
    • Motoyuki Fujimori
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Polarization-converting unit and projector using the same
    • Patent number 6,561,650
    • Issue date May 13, 2003
    • Seiko Epson Corporation
    • Shinsuke Ito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Projector
    • Patent number 6,558,004
    • Issue date May 6, 2003
    • Seiko Epson Corporation
    • Shinsuke Ito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Projector and prism used therein
    • Patent number 6,556,256
    • Issue date Apr 29, 2003
    • Seiko Epson Corporation
    • Hisamaro Kato
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Projector
    • Patent number 6,540,364
    • Issue date Apr 1, 2003
    • Seiko Epson Corporation
    • Takeshi Takizawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Projector
    • Patent number 6,530,665
    • Issue date Mar 11, 2003
    • Seiko Epson Corporation
    • Takeshi Takizawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Light source apparatus, light source lamp unit and projector
    • Patent number 6,527,392
    • Issue date Mar 4, 2003
    • Seiko Epson Corporation
    • Takeshi Takizawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Projector
    • Patent number RE38006
    • Issue date Feb 25, 2003
    • Seiko Epson Corporation
    • Mutsuya Furuhata
    • 353 - Optics: image projectors
  • Information Patent Grant

    Projection display device
    • Patent number 6,419,364
    • Issue date Jul 16, 2002
    • Seiko Epson Corporation
    • Takeshi Takizawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Projector, circuit board, and electronic device provided with said...
    • Patent number 6,409,347
    • Issue date Jun 25, 2002
    • Seiko Epson Corporation
    • Akitoshi Kuroda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Projector
    • Patent number 6,364,492
    • Issue date Apr 2, 2002
    • Seiko Epson Corporation
    • Motoyuki Fujimori
    • G02 - OPTICS
  • Information Patent Grant

    Optical device, and projection display device including the same
    • Patent number 6,312,130
    • Issue date Nov 6, 2001
    • Seiko Epson Corporation
    • Shinji Haba
    • G02 - OPTICS
  • Information Patent Grant

    Liquid crystal device and projector display device having a specifi...
    • Patent number 6,278,500
    • Issue date Aug 21, 2001
    • Seiko Epson Corporation
    • Yasunori Ogawa
    • G02 - OPTICS
  • Information Patent Grant

    Projector
    • Patent number 6,203,159
    • Issue date Mar 20, 2001
    • Seiko Epson Corporation
    • Takeshi Takizawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Projector
    • Patent number 6,203,158
    • Issue date Mar 20, 2001
    • Seiko Epson Corporation
    • Mutsuya Furuhata
    • G02 - OPTICS
  • Information Patent Grant

    Optical device, and projection display device including the same
    • Patent number 6,199,987
    • Issue date Mar 13, 2001
    • Seiko Epson Corporation
    • Shinji Haba
    • G02 - OPTICS
  • Information Patent Grant

    Projector display device
    • Patent number 6,139,155
    • Issue date Oct 31, 2000
    • Seiko Epson Corporation
    • Takeshi Takizawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Replacement lamp for projector
    • Patent number D424089
    • Issue date May 2, 2000
    • Seiko Epson Corporation
    • Takeshi Takizawa
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Projection display apparatus
    • Patent number 5,951,136
    • Issue date Sep 14, 1999
    • Seiko Epson Corporation
    • Mutsuya Furuhata
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical device and projector
    • Publication number 20040165152
    • Publication date Aug 26, 2004
    • SEIKO EPSON CORPORATION
    • Shinsuke Ito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Illumination optical system and projector using the same
    • Publication number 20030133078
    • Publication date Jul 17, 2003
    • Hisashi Iechika
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Projection display device
    • Publication number 20020163626
    • Publication date Nov 7, 2002
    • Seiko Epson Corporation
    • Takeshi Takizawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Projector
    • Publication number 20020071061
    • Publication date Jun 13, 2002
    • SEIKO EPSON CORPORATION
    • Shinsuke Ito
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PROJECTION DISPLAY DEVICE
    • Publication number 20020030792
    • Publication date Mar 14, 2002
    • TAKESHI TAKIZAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Projector
    • Publication number 20020027643
    • Publication date Mar 7, 2002
    • SEIKO EPSON CORPORATION
    • Takeshi Takizawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Projector
    • Publication number 20020021415
    • Publication date Feb 21, 2002
    • SEIKO EPSON CORPORATION
    • Motoyuki Fujimori
    • G02 - OPTICS
  • Information Patent Application

    Polarization-coverting unit and projector using the same
    • Publication number 20020018183
    • Publication date Feb 14, 2002
    • SEIKO EPSON CORPORATION
    • Shinsuke Ito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Projector
    • Publication number 20020015138
    • Publication date Feb 7, 2002
    • SEIKO EPSON CORPORATION
    • Shinsuke Ito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Optical component and projector containing the same
    • Publication number 20020015119
    • Publication date Feb 7, 2002
    • SEIKO EPSON CORPORATION
    • Takeshi Takizawa
    • G02 - OPTICS
  • Information Patent Application

    PROJECTION DISPLAY DEVICE
    • Publication number 20020001065
    • Publication date Jan 3, 2002
    • Seiko Epson Corporation
    • TAKESHI TAKIZAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Optical device, and projection display device including the same
    • Publication number 20010000972
    • Publication date May 10, 2001
    • Seiko Epson Corporation
    • Shinji Haba
    • G02 - OPTICS