Ryuichi Kitada

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Toyama-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water-tight structure for sliding door
- Patent number 5,870,859
- Issue date Feb 16, 1999
- YKK Architectural Products Inc.
- Ryuichi Kitada
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Connection structure of a framework
- Patent number 5,657,591
- Issue date Aug 19, 1997
- YKK Architectural Products Inc.
- Ryuichi Kitada
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Sliding window structure
- Patent number 5,653,060
- Issue date Aug 5, 1997
- YKK Architectural Products Inc.
- Ryuichi Kitada
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS