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Toshimasa Nakanishi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Dental handpiece
    • Patent number 4,460,341
    • Issue date Jul 17, 1984
    • Nakanishi Dental Mfg. Co., Ltd.
    • Toshimasa Nakanishi
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Transmission gear for a dental handpiece
    • Patent number 4,433,957
    • Issue date Feb 28, 1984
    • Nakanishi Dental Mfg. Co., Ltd.
    • Toshimasa Nakanishi
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE