TREA

Yoshikazu Fujinaga

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  • Aichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical fiber ribbon end-structure
    • Patent number 4,984,859
    • Issue date Jan 15, 1991
    • Mitsubishi Rayon Co., Ltd.
    • Takashi Fujigaki
    • G02 - OPTICS
  • Information Patent Grant

    Working equipment for roughening the side of optical fiber
    • Patent number 4,929,169
    • Issue date May 29, 1990
    • Mitsubishi Rayon Co.
    • Takashi Fujigaki
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Hollow-fiber filter module
    • Patent number 4,781,832
    • Issue date Nov 1, 1988
    • Mitsubishi Rayon Co., Ltd.
    • Tohru Takemura
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Hollow-fiber filter module with filtrate conduit
    • Patent number 4,720,342
    • Issue date Jan 19, 1988
    • Mitsubishi Rayon Co., Ltd.
    • Tohru Takemura
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Hollow-fiber filter module
    • Patent number 4,605,500
    • Issue date Aug 12, 1986
    • Mitsubishi Rayon Co., Ltd.
    • Tohru Takemura
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL