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Yoshiaki Haino

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  • Ohmiya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air-feed type dust protective helmet
    • Patent number 4,752,974
    • Issue date Jun 28, 1988
    • Shigematsu Works Co., Ltd.
    • Yoshiaki Haino
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Face shield assembly
    • Patent number 4,748,695
    • Issue date Jun 7, 1988
    • Shigematsu Works Co., Ltd.
    • Nobuo Shigematsu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE