TREA

Heihachiro Kawaguchi

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  • Wakayama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Porous film
    • Patent number 4,794,128
    • Issue date Dec 27, 1988
    • Kao Corporation
    • Heihachiro Kawaguchi
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Stretchable fastening tape for disposable diaper
    • Patent number 4,787,897
    • Issue date Nov 29, 1988
    • Kao Corporation
    • Yasuhiro Torimae
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL