Katsuhiro Sakamoto

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sheet shutter device
- Patent number 7,389,807
- Issue date Jun 24, 2008
- Sanwa Shutter Corporation
- Toyohide Nagare
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
Sheet shutter
- Publication number 20060144530
- Publication date Jul 6, 2006
- Toyohide Nagare
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS