TREA

Kazuhiko Yukawa

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  • Katano, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric toothbrush
    • Patent number 5,504,959
    • Issue date Apr 9, 1996
    • Matsushita Electric Works, Ltd.
    • Kazuhiko Yukawa
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Electronic pedometer
    • Patent number 4,651,446
    • Issue date Mar 24, 1987
    • Matsushita Electric Works, Ltd.
    • Kazuhiko Yukawa
    • A43 - FOOTWEAR
  • Information Patent Grant

    Electronic pedometer with step sensor in removable insole
    • Patent number 4,649,552
    • Issue date Mar 10, 1987
    • Matsushita Electric Works, Ltd.
    • Kazuhiko Yukawa
    • A43 - FOOTWEAR