Yasuo Ariga

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fire detector having optic base clamping optic elements to a circui...
- Patent number 5,486,816
- Issue date Jan 23, 1996
- Nohmi Bosai Ltd.
- Yasuo Ariga
- G08 - SIGNALLING
Information Patent Grant
Fire detector having bayonet coupling and locking mechanism for bas...
- Patent number 5,478,256
- Issue date Dec 26, 1995
- Nohmi Bosai Ltd.
- Kazuyuki Koganemaru
- G08 - SIGNALLING
Information Patent Grant
Detector base
- Patent number 5,403,198
- Issue date Apr 4, 1995
- Nohmi Bosai Ltd.
- Kazuyuki Koganemaru
- G08 - SIGNALLING
Information Patent Grant
Smoke detector
- Patent number D339998
- Issue date Oct 5, 1993
- Nohmi Bosai Ltd.
- Yoshinori Igarashi
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Smoke detector
- Patent number D339756
- Issue date Sep 28, 1993
- Nohmi Bosai Ltd.
- Yoshinori Igarashi
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Light-scattering-type smoke detector
- Patent number 5,021,677
- Issue date Jun 4, 1991
- Nohmi Bosai Kabushiki Kaisha
- Yoshinori Igarashi
- G08 - SIGNALLING