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Tetsuaki Numata

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  • Nara-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetized pulsar ring, and rolling bearing device with sensor usin...
    • Patent number 7,812,599
    • Issue date Oct 12, 2010
    • JTEKT Corporation
    • Yasuhiko Ishii
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rolling bearing assembly for wheel
    • Patent number 7,798,723
    • Issue date Sep 21, 2010
    • JTEKT Corporation
    • Yasuhiko Ishii
    • G01 - MEASURING TESTING
  • Information Patent Grant

    One-way clutch
    • Patent number 6,892,868
    • Issue date May 17, 2005
    • Koyo Seiko Co., Ltd.
    • Yoshihisa Miura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method for manufacturing a one-way clutch cage
    • Patent number 6,279,439
    • Issue date Aug 28, 2001
    • Koyo Seiko Co., Ltd.
    • Takaaki Ikeda
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    One-way clutch
    • Patent number 5,642,795
    • Issue date Jul 1, 1997
    • Koyo Seiko Co., Ltd.
    • Yoshihisa Miura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    One-way clutch
    • Patent number 5,632,363
    • Issue date May 27, 1997
    • Koyo Seiko Co., Ltd.
    • Tomomasa Kubo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of manufacturing an engaging element for one way clutch impr...
    • Patent number 5,632,179
    • Issue date May 27, 1997
    • Koyo Seiko Co., Ltd.
    • Tetsuaki Numata
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    End bearing for one-way clutch
    • Patent number 5,570,766
    • Issue date Nov 5, 1996
    • Taiho Kogyo Co., Ltd.
    • Eichi Sato
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    One-way clutch having an outer ring whose internal portion is as ha...
    • Patent number 5,415,258
    • Issue date May 16, 1995
    • Koyo Seiko Co., Ltd.
    • Tetsuaki Numata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    One way clutch having outer and inner retainers each made of plastics
    • Patent number 5,291,978
    • Issue date Mar 8, 1994
    • Koyo Seiko Co., Ltd.
    • Tetsuaki Numata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    One-way clutch free from gear-tooth noise
    • Patent number 5,156,245
    • Issue date Oct 20, 1992
    • Koyo Seikyo Co., Ltd.
    • Satoshi Fujiwara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    One-way clutch having improved annular retainer plates
    • Patent number 5,076,408
    • Issue date Dec 31, 1991
    • Koyo Seiko Co., Ltd.
    • Tetsuaki Numata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents