TREA

Ken Yamashita

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  • Tsuchiura, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical communication system
    • Patent number 6,856,451
    • Issue date Feb 15, 2005
    • Nippon Sheet Glass Co., Ltd.
    • Masahiro Oikawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical circuit with harmonic generator
    • Patent number 6,845,186
    • Issue date Jan 18, 2005
    • Nippon Sheet Glass Co., Ltd.
    • Masahiro Oikawa
    • G02 - OPTICS
  • Information Patent Grant

    Self-scanning light-emitting device
    • Patent number 6,531,826
    • Issue date Mar 11, 2003
    • Nippon Sheet Glass Co., Ltd.
    • Seiji Ohno
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Self-scanning light-emitting array
    • Patent number 5,814,841
    • Issue date Sep 29, 1998
    • Nippon Sheet Glass Co., Ltd.
    • Yukihisa Kusuda
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Self-scanning light-emitting array and a driving method of the array
    • Patent number 5,451,977
    • Issue date Sep 19, 1995
    • Nippon Sheet Glass Co., Ltd.
    • Yukihisa Kusuda
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Method of preparing ultrafine particle dispersion material
    • Patent number 5,279,868
    • Issue date Jan 18, 1994
    • Nippon Sheet Glass Co., Ltd.
    • Shunsuke Ohtsuka
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Self-scanning, light-emitting device
    • Patent number 5,177,405
    • Issue date Jan 5, 1993
    • Nippon Sheet Glass Co., Ltd.
    • Yukihisa Kusuda
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Mask
    • Patent number 5,016,981
    • Issue date May 21, 1991
    • Nippon Sheet Glass Co., Ltd.
    • Norman A. Peppers
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical communication system
    • Publication number 20030174386
    • Publication date Sep 18, 2003
    • Masahiro Oikawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Optical circuit
    • Publication number 20030174926
    • Publication date Sep 18, 2003
    • Masahiro Oikawa
    • G02 - OPTICS
  • Information Patent Application

    Optical printer head and method of lighting it
    • Publication number 20030007064
    • Publication date Jan 9, 2003
    • Seiji Ohno
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS