Kanji Ishii

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Machida, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ionizing smoke sensor
- Patent number 5,327,119
- Issue date Jul 5, 1994
- Hochiki Kabushiki Kaisha
- Kanji Ishii
- G08 - SIGNALLING
Information Patent Grant
Ionization type smoke sensor
- Patent number 5,160,916
- Issue date Nov 3, 1992
- Hochiki Kabushiki Kaisha
- Kanji Ishii
- G08 - SIGNALLING
Information Patent Grant
Fire detector and fire alarm system having circuitry to detect remo...
- Patent number 4,369,435
- Issue date Jan 18, 1983
- Hochiki Kabushiki Kaisha
- Yasaburo Adachi
- G08 - SIGNALLING
Information Patent Grant
Two-wire system including signal receiving section and detection se...
- Patent number 4,142,219
- Issue date Feb 27, 1979
- Hochiki Corporation
- Katsutoshi Kuwabara
- G08 - SIGNALLING