Kanji Numao

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photoelectric smoke sensor
- Patent number 10,151,693
- Issue date Dec 11, 2018
- Fenwal Controls of Japan, Ltd.
- Masao Iguchi
- G08 - SIGNALLING
Information Patent Grant
Photoelectric smoke detector
- Patent number 10,054,542
- Issue date Aug 21, 2018
- Fenwal Controls of Japan, Ltd.
- Masao Iguchi
- G08 - SIGNALLING
Information Patent Grant
Light emission portion, photoelectric smoke sensor, and suction-typ...
- Patent number 8,743,366
- Issue date Jun 3, 2014
- Fenwal Controls of Japan, Ltd.
- Kanji Numao
- F21 - LIGHTING
Information Patent Grant
Photoelectric smoke detector
- Patent number 7,948,627
- Issue date May 24, 2011
- Fenwal Controls of Japan, Ltd.
- Masao Iguchi
- G01 - MEASURING TESTING
Information Patent Grant
Photoelectric smoke detector
- Patent number 7,697,140
- Issue date Apr 13, 2010
- Fenwal Controls of Japan, Ltd.
- Masao Iguchi
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
PHOTOELECTRIC SMOKE SENSOR
- Publication number 20180180540
- Publication date Jun 28, 2018
- Fenwal Controls of Japan, Ltd.
- Masao Iguchi
- G08 - SIGNALLING
Information Patent Application
Photoelectric Smoke Detector
- Publication number 20160305874
- Publication date Oct 20, 2016
- Fenwal Controls of Japan, Ltd.
- Masao Iguchi
- G01 - MEASURING TESTING
Information Patent Application
LIGHT EMISSION PORTION, PHOTOELECTRIC SMOKE SENSOR, AND SUCTION-TYP...
- Publication number 20140063498
- Publication date Mar 6, 2014
- Fenwal Controls of Japan, Ltd.
- Kanji Numao
- G01 - MEASURING TESTING
Information Patent Application
Photoelectric Smoke Detector
- Publication number 20100176957
- Publication date Jul 15, 2010
- Fenwal Controls of Japan, Ltd.
- Masao Iguchi
- G08 - SIGNALLING
Information Patent Application
Photoelectric Smoke Detector
- Publication number 20090021729
- Publication date Jan 22, 2009
- Fenwal Controls of Japan, Ltd.
- Masao Iguchi
- G08 - SIGNALLING