Tetsuya Nagashima

Person

Sagamihara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fire alarm equipment
- Patent number 11,694,532
- Issue date Jul 4, 2023
- Hochiki Corporation
- Tetsuya Nagashima
- G08 - SIGNALLING
Information Patent Grant
Light scattering type smoke detector
- Patent number 8,773,272
- Issue date Jul 8, 2014
- Hochiki Corporation
- Tetsuya Nagashima
- G01 - MEASURING TESTING
Information Patent Grant
Heat detector and method of manufacturing heat detecting element
- Patent number 7,896,544
- Issue date Mar 1, 2011
- Hochiki Corporation
- Tetsuya Nagashima
- G01 - MEASURING TESTING
Information Patent Grant
Heat detector
- Patent number 7,802,918
- Issue date Sep 28, 2010
- Hochiki Corporation
- Manabu Dohi
- G01 - MEASURING TESTING
Information Patent Grant
Light scattering type smoke detector
- Patent number 7,746,239
- Issue date Jun 29, 2010
- Hochiki Corporation
- Tetsuya Nagashima
- G08 - SIGNALLING
Information Patent Grant
Photoelectric smoke detector and disaster monitoring system using t...
- Patent number 5,859,706
- Issue date Jan 12, 1999
- Hochiki Kabushiki Kaisha
- Tetsuya Nagashima
- G08 - SIGNALLING
Information Patent Grant
Light scattering smoke sensor
- Patent number 5,670,947
- Issue date Sep 23, 1997
- Hochiki Corporation
- Tetsuya Nagashima
- G08 - SIGNALLING
Information Patent Grant
Light scattering type smoke detector
- Patent number 5,642,099
- Issue date Jun 24, 1997
- Hochiki Kabushiki Kaisha
- Tetsuya Nagashima
- G08 - SIGNALLING
Information Patent Grant
Light scattering type smoke detector having an improved zero-point...
- Patent number 5,587,790
- Issue date Dec 24, 1996
- Hochiki Corporation
- Tetsuya Nagashima
- G08 - SIGNALLING
Information Patent Grant
Fire alarm system
- Patent number 5,576,697
- Issue date Nov 19, 1996
- Hochiki Kabushiki Kaisha
- Tetsuya Nagashima
- G08 - SIGNALLING
Information Patent Grant
Smoke sensor
- Patent number 5,502,434
- Issue date Mar 26, 1996
- Hockiki Kabushiki Kaisha
- Osami Minowa
- G08 - SIGNALLING
Information Patent Grant
Photoelectric smoke sensor and fire detecting system, and sensitivi...
- Patent number 5,497,009
- Issue date Mar 5, 1996
- Hochiki Corporation
- Yasuo Torikoshi
- G08 - SIGNALLING
Information Patent Grant
Light scattering smoke detector with smoke-entrance ladyrinth desig...
- Patent number 5,430,307
- Issue date Jul 4, 1995
- Hochiki Corporation
- Tetsuya Nagashima
- G08 - SIGNALLING
Information Patent Grant
Fire alarm system which distinguishes between different types of smoke
- Patent number 5,280,272
- Issue date Jan 18, 1994
- Hochiki Kabushiki Kaisha
- Tetsuya Nagashima
- G08 - SIGNALLING
Information Patent Grant
Highly sensitive smoke detector
- Patent number 4,914,425
- Issue date Apr 3, 1990
- Hochiki Corporation
- Yoshinori Kaminaka
- G08 - SIGNALLING
Information Patent Grant
Fire alarm system
- Patent number 4,884,222
- Issue date Nov 28, 1989
- Tetsuya Nagashima
- G08 - SIGNALLING
Information Patent Grant
Fire alarm system
- Patent number 4,644,331
- Issue date Feb 17, 1987
- Hochiki Corporation
- Eige Matsushita
- G08 - SIGNALLING
Information Patent Grant
Scattered light type smoke detector
- Patent number 4,596,465
- Issue date Jun 24, 1986
- Hochiki Kabushiki Kaisha
- Tetsuya Nagashima
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
FIRE ALARM EQUIPMENT
- Publication number 20210350684
- Publication date Nov 11, 2021
- HOCHKI CORPORATION
- Tetsuya NAGASHIMA
- G08 - SIGNALLING
Information Patent Application
LIGHT SCATTERING TYPE SMOKE DETECTOR
- Publication number 20100118303
- Publication date May 13, 2010
- Tetsuya Nagashima
- G08 - SIGNALLING
Information Patent Application
Heat Detector
- Publication number 20090028215
- Publication date Jan 29, 2009
- Manabu Dohi
- G08 - SIGNALLING
Information Patent Application
Heat Detector and Method of Manufacturing Heat Detecting Element
- Publication number 20090010303
- Publication date Jan 8, 2009
- Tetsuya Nagashima
- G01 - MEASURING TESTING
Information Patent Application
Light Scattering Type Smoke Detector
- Publication number 20080246623
- Publication date Oct 9, 2008
- Tetsuya Nagashima
- G08 - SIGNALLING

Tetsuya Nagashima

Person

Patents Grantslast 30 patents

Fire alarm equipment

Light scattering type smoke detector

Heat detector and method of manufacturing heat detecting element

Heat detector

Light scattering type smoke detector

Photoelectric smoke detector and disaster monitoring system using t...

Light scattering smoke sensor

Light scattering type smoke detector

Light scattering type smoke detector having an improved zero-point...

Fire alarm system

Smoke sensor

Photoelectric smoke sensor and fire detecting system, and sensitivi...

Light scattering smoke detector with smoke-entrance ladyrinth desig...

Fire alarm system which distinguishes between different types of smoke

Highly sensitive smoke detector

Fire alarm system

Fire alarm system

Scattered light type smoke detector

Patents Applicationslast 30 patents

FIRE ALARM EQUIPMENT

LIGHT SCATTERING TYPE SMOKE DETECTOR

Heat Detector

Heat Detector and Method of Manufacturing Heat Detecting Element

Light Scattering Type Smoke Detector