Nobuyo Sakai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric cylinder for actuating a door lock and a cylinder door lock
- Patent number 7,231,791
- Issue date Jun 19, 2007
- Nobuyo Sakai
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Lock setting changing unit
- Patent number 6,474,121
- Issue date Nov 5, 2002
- Keiden Sangyo Co., Ltd.
- Nobuyo Sakai
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Magnetic card switch
- Patent number 5,212,464
- Issue date May 18, 1993
- Nobuyo Sakai
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Personal security case
- Patent number 5,170,907
- Issue date Dec 15, 1992
- Nobuyo Sakai
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Electric cylinder for actuating a door lock and a cylinder door lock
- Publication number 20040250578
- Publication date Dec 16, 2004
- Nobuyo Sakai
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Lock setting changing unit
- Publication number 20010027670
- Publication date Oct 11, 2001
- Nobuyo Sakai
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES