Yoshiaki Okayama

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Yamato, JP

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Patents Grantslast 30 patents

Information Patent Grant
Early stage fire detecting apparatus
- Patent number 5,673,020
- Issue date Sep 30, 1997
- Nohmi Bosai Ltd.
- Yoshiaki Okayama
- G08 - SIGNALLING
Information Patent Grant
Fire alarm system and method employing multi-layer net processing s...
- Patent number 5,281,951
- Issue date Jan 25, 1994
- Nohmi Bosai Kabushiki Kaisha
- Yoshiaki Okayama
- G08 - SIGNALLING
Information Patent Grant
Fire alarm system having prestored fire likelihood ratio functions...
- Patent number 5,267,180
- Issue date Nov 30, 1993
- Nohmi Bosai Kabushiki Kaisha
- Yoshiaki Okayama
- G08 - SIGNALLING
Information Patent Grant
Fire alarm system
- Patent number 5,168,262
- Issue date Dec 1, 1992
- Nohmi Bosai Kabushiki Kaisha
- Yoshiaki Okayama
- G08 - SIGNALLING
Information Patent Grant
Fire detector equipped with a sensor
- Patent number 4,744,038
- Issue date May 10, 1988
- Nohmi Bosai Kogyo Co. Ltd.
- Yoshiaki Okayama
- G08 - SIGNALLING
Information Patent Grant
Silane gas sensor and a method of making the same
- Patent number 4,583,070
- Issue date Apr 15, 1986
- Nohmi Bosai Kogyo Co., Ltd.
- Yoshiaki Okayama
- G01 - MEASURING TESTING
Information Patent Grant
Carbon monoxide sensing element and method of making same
- Patent number 4,543,273
- Issue date Sep 24, 1985
- Nohmi Bosai Kogyo Co., Ltd.
- Takashi Handa
- G01 - MEASURING TESTING