TREA

Tokumon Ogawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Spindle motor
    • Patent number 5,536,986
    • Issue date Jul 16, 1996
    • Nagano Nidec Corporation
    • Koji Fukuyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Recording disk driving apparatus
    • Patent number 5,436,517
    • Issue date Jul 25, 1995
    • Nagano Nidec Corporation
    • Tokumon Ogawa
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Spindle motor with labyrinth sealed bearing
    • Patent number 5,347,189
    • Issue date Sep 13, 1994
    • Nippon Densan Corporation
    • Masanobu Chuta
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Disk drive apparatus
    • Patent number 5,296,981
    • Issue date Mar 22, 1994
    • Nagano Nidec Corporation
    • Tokumon Ogawa
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Spindle motor
    • Patent number 5,227,686
    • Issue date Jul 13, 1993
    • Nagano Nidec Corporation
    • Tokumon Ogawa
    • G11 - INFORMATION STORAGE