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Yoshihiro Yonahara

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  • Oaza Iida, Omiya-Shi, Saitama, 330, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Frame parts for temporary ladder
    • Patent number 5,492,197
    • Issue date Feb 20, 1996
    • Yoshihiro Yonahara
    • E04 - BUILDING
  • Information Patent Grant

    Foothold device
    • Patent number 4,388,982
    • Issue date Jun 21, 1983
    • Yoshihiro Yonahara
    • E04 - BUILDING