TREA

Yuichi Morishita

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical fiber for attenuating optical signal
    • Patent number 7,092,610
    • Issue date Aug 15, 2006
    • Showa Electric Wire & Cable Co. Ltd.
    • Masamitsu Yamaguchi
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber
    • Patent number 6,269,210
    • Issue date Jul 31, 2001
    • Showa Electric Wire & Cable Co., Ltd.
    • Kenji Yagi
    • G02 - OPTICS
  • Information Patent Grant

    Photo-sensitive fiber
    • Patent number 6,221,555
    • Issue date Apr 24, 2001
    • Showa Electric Wire & Cable Co., Ltd.
    • Yuichi Murakami
    • G02 - OPTICS
  • Information Patent Grant

    Optical fibers for optical attenuation
    • Patent number 5,841,926
    • Issue date Nov 24, 1998
    • Nippon Telegraph and Telephone Corporation
    • Yoshiaki Takeuchi
    • G02 - OPTICS