TREA

Takashi Tsukamoto

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical fiber socket
    • Patent number D507530
    • Issue date Jul 19, 2005
    • Matsushita Electric Works, Ltd.
    • Yuji Watanabe
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Assembly including an optical fiber socket and an optical fiber plug
    • Patent number 6,913,395
    • Issue date Jul 5, 2005
    • Asahi Glass Company, Limited
    • Yuji Watanabe
    • G02 - OPTICS
  • Information Patent Grant

    Optical receptacle
    • Patent number D506978
    • Issue date Jul 5, 2005
    • Matsushita Electric Works, Ltd.
    • Yuji Watanabe
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Optical connector plug
    • Patent number D502447
    • Issue date Mar 1, 2005
    • Matsushita Electric Works, Ltd.
    • Yuji Watanabe
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Method of manufacturing distributed refractive index optical fiber
    • Patent number 6,071,441
    • Issue date Jun 6, 2000
    • Asahi Glass Company Ltd.
    • Koji Koganezawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents