TREA

Shigeya Sakaguchi

Follow

Person

  • Fukuoka, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Shield material
    • Patent number 7,518,137
    • Issue date Apr 14, 2009
    • Nippon Tungsten Co. Ltd
    • Kenji Okamura
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    WC-base composite ceramic sintered compact
    • Patent number 6,551,954
    • Issue date Apr 22, 2003
    • Nippon Tungsten Co., Ltd.
    • Mitsuyoshi Nagano
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Die cut roll
    • Patent number 6,279,443
    • Issue date Aug 28, 2001
    • Nippon Tungsten Co., Ltd.
    • Kenji Nakahara
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Titanium-base hard sintered alloy
    • Patent number 5,545,248
    • Issue date Aug 13, 1996
    • Nippon Tungsten Co., Ltd.
    • Kei Tokumoto
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for hardfacing a ferrous base material
    • Patent number 4,478,871
    • Issue date Oct 23, 1984
    • Nippon Tungsten Co., Ltd.
    • Shigeya Sakaguchi
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Method for manufacturing a mechanical seal ring
    • Patent number 4,280,841
    • Issue date Jul 28, 1981
    • Nippon Tungsten Co., Ltd.
    • Hiroshi Ito
    • B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

  • Information Patent Application

    Tungsten based sintered compact and method for production thereof
    • Publication number 20070172378
    • Publication date Jul 26, 2007
    • NIPPON TUNGSTEN CO., LTD.
    • Takuji Shibuya
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Shield material
    • Publication number 20060251203
    • Publication date Nov 9, 2006
    • Kenji Okamura
    • B32 - LAYERED PRODUCTS