Hiromitsu Ishii

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fire alarm device
- Patent number 5,670,938
- Issue date Sep 23, 1997
- Hochiki Kabushiki Kaisha
- Shigeru Ohtani
- G08 - SIGNALLING
Information Patent Grant
Thermal analog fire detector
- Patent number 5,436,614
- Issue date Jul 25, 1995
- Hochiki Kabushiki Kaisha
- Yasuo Torikoshi
- G08 - SIGNALLING
Information Patent Grant
Surveillance monitor system using image processing for monitoring f...
- Patent number 5,289,275
- Issue date Feb 22, 1994
- Hochiki Kabushiki Kaisha
- Hiromitsu Ishii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fire alarm system, sensor and method
- Patent number 4,871,999
- Issue date Oct 3, 1989
- Hochiki Kabushiki Kaisha
- Hiromitsu Ishii
- G08 - SIGNALLING
Information Patent Grant
Extinction type detector
- Patent number 4,838,698
- Issue date Jun 13, 1989
- Hochiki Corp.
- Hiromitsu Ishii
- G08 - SIGNALLING
Information Patent Grant
Fire alarm system
- Patent number 4,796,205
- Issue date Jan 3, 1989
- Hochiki Corp.
- Hiromitsu Ishii
- G08 - SIGNALLING
Information Patent Grant
Analog fire detector and analog fire alarm system using the same
- Patent number 4,749,987
- Issue date Jun 7, 1988
- Hochiki Corporation
- Hiromitsu Ishii
- G08 - SIGNALLING
Information Patent Grant
Collecting process of fire data and fire detector using the process...
- Patent number 4,749,986
- Issue date Jun 7, 1988
- Hochiki Corporation
- Shigeru Otani
- G08 - SIGNALLING
Information Patent Grant
Light-attenuation type fire detector assembly
- Patent number 4,675,661
- Issue date Jun 23, 1987
- Hochiki Kabushiki Kaisha
- Hiromitsu Ishii
- G08 - SIGNALLING

Hiromitsu Ishii

Person

Patents Grantslast 30 patents

Fire alarm device

Thermal analog fire detector

Surveillance monitor system using image processing for monitoring f...

Fire alarm system, sensor and method

Extinction type detector

Fire alarm system

Analog fire detector and analog fire alarm system using the same

Collecting process of fire data and fire detector using the process...

Light-attenuation type fire detector assembly