Yasushi Yamamoto

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Drive assembly for opening and closing a rolling door
- Patent number 6,412,539
- Issue date Jul 2, 2002
- Sanwa Shutter Kogyo Kabushiki Kaisha
- Takanobu Kuribayashi
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS