Masayoshi Ishikawa

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Toyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wall structure of building
- Patent number 6,578,340
- Issue date Jun 17, 2003
- YKK Corporation
- Masayoshi Ishikawa
- E04 - BUILDING
Information Patent Grant
Arrangement for attaching window board to transom
- Patent number 5,235,790
- Issue date Aug 17, 1993
- Yoshida Kogyo K. K.
- Masayoshi Ishikawa
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Door hinge system
- Patent number 5,088,154
- Issue date Feb 18, 1992
- Yoshida Kogyo K.K.
- Masayoshi Ishikawa
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Adjusting device for use in work-well attachment mounted on stile
- Patent number 5,014,465
- Issue date May 14, 1991
- Yoshida Kogyo K. K.
- Masayoshi Ishikawa
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
Wall structure of building
- Publication number 20020020121
- Publication date Feb 21, 2002
- YKK Corporation
- Masayoshi Ishikawa
- E04 - BUILDING