Mituo Suzuki

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Garage door operation control apparatus
- Patent number 4,365,250
- Issue date Dec 21, 1982
- Hitachi, Ltd.
- Shigeru Matsuoka
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Door operation control apparatus
- Patent number 4,328,540
- Issue date May 4, 1982
- Hitachi, Ltd.
- Shigeru Matsuoka
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES