TREA

Kabushiki Kaisha Juken Sangyo

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  • Hatsukaichi-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Adjustable door hinge
    • Patent number 6,516,494
    • Issue date Feb 11, 2003
    • Kabushiki Kaisha Juken Sangyo
    • Yusho Nakamoto
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Double hinged door system
    • Patent number 6,405,490
    • Issue date Jun 18, 2002
    • Kabushiki Kaisha Juken Sangyo
    • Yusho Nakamoto
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Adjustable frame
    • Patent number 6,308,476
    • Issue date Oct 30, 2001
    • Kabushiki Kaisha Juken Sangyo
    • Yusho Nakamoto
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Adjustable Frame
    • Patent number 6,167,663
    • Issue date Jan 2, 2001
    • Kabushiki Kaisha Juken Sangyo
    • Yusho Nakamoto
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents