Ikira Takasaka

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Rolling shutter
- Patent number 3,989,084
- Issue date Nov 2, 1976
- Bunka Shutter Kabushiki Kaisha
- Kosuke Inamura
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS