TREA

Yoshihide Sugimoto

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  • Yashio, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Top rail for use with handrails
    • Patent number 4,646,490
    • Issue date Mar 3, 1987
    • Kabushiki Kaisha Naka Gijutsu Kenkyusho
    • Hiromitsu Naka
    • E04 - BUILDING
  • Information Patent Grant

    Top rail of a handrail
    • Patent number 4,602,766
    • Issue date Jul 29, 1986
    • Kabushiki Kaisha Naka Gijutsu Kenkyusho
    • Hiromitsu Naka
    • E04 - BUILDING
  • Information Patent Grant

    Stair mat
    • Patent number 4,318,951
    • Issue date Mar 9, 1982
    • Hiromitsu Naka
    • E04 - BUILDING