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Patents Grantslast 30 patents

Information Patent Grant
Passive infrared sensor and obstacle detection system used in the same
- Patent number 7,259,658
- Issue date Aug 21, 2007
- Optex Co., Ltd.
- Michinori Noguchi
- G08 - SIGNALLING
Information Patent Grant
Combined sensor
- Patent number 6,992,577
- Issue date Jan 31, 2006
- Optex Co., Ltd.
- Masatoshi Tsuji
- G08 - SIGNALLING
Information Patent Grant
Intrusion detecting device
- Patent number 6,943,685
- Issue date Sep 13, 2005
- Optex Co., Ltd.
- Cholmin Seo
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
Passive infrared sensor and obstacle detection system used in the same
- Publication number 20050200473
- Publication date Sep 15, 2005
- Michinori Noguchi
- G08 - SIGNALLING
Information Patent Application
Combined sensor
- Publication number 20050062601
- Publication date Mar 24, 2005
- Masatoshi Tsuji
- G08 - SIGNALLING