Noriaki Tokuyama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrically-driven closure apparatus for building
- Patent number 6,230,785
- Issue date May 15, 2001
- Sanwa Shutter Corporation
- Noriaki Tokuyama
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Electrically-driven closure apparatus for building
- Patent number 6,125,907
- Issue date Oct 3, 2000
- Sanwa Shutter Corporation
- Noriaki Tokuyama
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Device for moving a winding shaft in a building shutter
- Patent number 5,460,216
- Issue date Oct 24, 1995
- Sanwa Shutter Corporation
- Masato Hirao
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Shutter curtain for a building opening
- Patent number 5,265,662
- Issue date Nov 30, 1993
- Sanwa Shutter Corporation
- Masato Hirao
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Architectural shutter curtain device
- Patent number 5,265,663
- Issue date Nov 30, 1993
- Sanwa Shutter Corporation
- Masaaki Munekata
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS