TREA

Shigeyuki Araki

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-phase stepping motor controller
    • Patent number 4,495,455
    • Issue date Jan 22, 1985
    • Ricoh Company, Ltd.
    • Shigeyuki Araki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Stepping motor drive apparatus
    • Patent number 4,339,702
    • Issue date Jul 13, 1982
    • Ricoh Company, Ltd.
    • Shigeyuki Araki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER