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Masayuki Katahira

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Patents Grantslast 30 patents

  • Information Patent Grant

    Hardened guide rail for linear guide apparatus
    • Patent number 5,618,114
    • Issue date Apr 8, 1997
    • NSK Ltd.
    • Masayuki Katahira
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball retainer with inner seal for linear guide apparatus
    • Patent number 5,588,750
    • Issue date Dec 31, 1996
    • NSK Ltd.
    • Nobuyuki Osawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Locating table apparatus
    • Patent number 5,410,922
    • Issue date May 2, 1995
    • NSK Ltd.
    • Masayuki Katahira
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Dust suction apparatus
    • Patent number 5,380,246
    • Issue date Jan 10, 1995
    • NSK Ltd.
    • Masayuki Katahira
    • B08 - CLEANING
  • Information Patent Grant

    Locating table apparatus
    • Patent number 5,373,751
    • Issue date Dec 20, 1994
    • NSK Ltd.
    • Masayuki Katahira
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Movable member feed device
    • Patent number 5,370,214
    • Issue date Dec 6, 1994
    • NSK Ltd.
    • Masayuki Katahira
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Ball screw apparatus
    • Patent number 5,327,795
    • Issue date Jul 12, 1994
    • NSK Ltd.
    • Masayuki Katahira
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Ball screw device
    • Patent number 5,303,607
    • Issue date Apr 19, 1994
    • NSK Ltd.
    • Masayuki Katahira
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Intermediate support device for screw shaft
    • Patent number 5,251,501
    • Issue date Oct 12, 1993
    • NSK Ltd.
    • Masayuki Katahira
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Ball screw device with internal motors
    • Patent number 5,231,888
    • Issue date Aug 3, 1993
    • NSK Ltd.
    • Masayuki Katahira
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball screw device
    • Patent number 5,228,353
    • Issue date Jul 20, 1993
    • NSK, Ltd.
    • Masayuki Katahira
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Operating apparatus for clean room
    • Patent number 4,955,244
    • Issue date Sep 11, 1990
    • Nippon Seiko Kabushiki Kaisha
    • Masayuki Katahira
    • B08 - CLEANING
  • Information Patent Grant

    Miniature linear guide apparatus
    • Patent number 4,892,415
    • Issue date Jan 9, 1990
    • Nippon Seiko Kabushiki Kaisha
    • Masayuki Katahira
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball screw apparatus
    • Patent number 4,840,077
    • Issue date Jun 20, 1989
    • Nippon Seiko Co., Ltd.
    • Masayuki Katahira
    • B08 - CLEANING
  • Information Patent Grant

    Linear guide apparatus with end caps having fitting protrusions
    • Patent number 4,826,330
    • Issue date May 2, 1989
    • Nippon Seiko Kabushiki Kaisha
    • Masayuki Katahira
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Linear guide device
    • Patent number 4,648,726
    • Issue date Mar 10, 1987
    • Nippon Seiko Kabushiki Kaisha
    • Masayuki Katahira
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...