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Yoichi Matsumoto

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotation support apparatus
    • Patent number 8,322,931
    • Issue date Dec 4, 2012
    • NSK Ltd.
    • Seigou Urakami
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Radial needle-like roller bearing and pinion shaft
    • Patent number 7,276,012
    • Issue date Oct 2, 2007
    • NSK Ltd.
    • Yoichi Matsumoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rolling bearing, and method of ultrasonically detecting flaws in be...
    • Patent number 6,725,720
    • Issue date Apr 27, 2004
    • NSK Ltd.
    • Akihiro Kiuchi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Water-resistant long-life rolling bearing
    • Patent number 6,165,289
    • Issue date Dec 26, 2000
    • NSK Ltd.
    • Yoichi Matsumoto
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Rolling bearing
    • Patent number 6,086,262
    • Issue date Jul 11, 2000
    • NSK Ltd.
    • Yoichi Matsumoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rolling bearing
    • Patent number 5,997,661
    • Issue date Dec 7, 1999
    • NSK Ltd.
    • Yoichi Matsumoto
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Ball-and-roller bearing
    • Patent number 5,292,200
    • Issue date Mar 8, 1994
    • NSK Ltd.
    • Yoichi Matsumoto
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Rolling bearing
    • Patent number 5,122,000
    • Issue date Jun 16, 1992
    • Nippon Seiko Kabushiki Kaisha
    • Yoichi Matsumoto
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Rolling bearing composition
    • Patent number 5,108,491
    • Issue date Apr 28, 1992
    • Nippon Seiko Kabushiki Kaisha
    • Yoichi Matsumoto
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Rolling bearing
    • Patent number 5,011,304
    • Issue date Apr 30, 1991
    • Nippon Seiko Kabushiki Kaisha
    • Yasuo Murakami
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents