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TNK Sanwa Precision Co., Ltd.

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical fiber cleaver
    • Patent number 7,391,951
    • Issue date Jun 24, 2008
    • Tyco Electronics AMP K.K.
    • Takehiro Hayashi
    • G02 - OPTICS
  • Information Patent Grant

    Non-magnetic high hardness austenitic stainless steel
    • Patent number 4,851,059
    • Issue date Jul 25, 1989
    • Nippon Steel Corp.
    • Hidehiko Sumitomo
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...