Hitoshi Yahara

Follow

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Boiler
- Patent number 5,890,457
- Issue date Apr 6, 1999
- Nippon Furnace Kogyo Kabushiki Kaisha
- Ryoichi Tanaka
- F22 - STEAM GENERATION
Information Patent Grant
Boiler with increased flame temperature and output
- Patent number 5,626,104
- Issue date May 6, 1997
- Nippon Furnace Kogyo Kabushiki Kaisha
- Ryoichi Tanaka
- F22 - STEAM GENERATION
Information Patent Grant
Boiler
- Patent number 5,522,348
- Issue date Jun 4, 1996
- Nippon Furnace Kogyo Kabushiki Kaisha
- Ryoichi Tanaka
- F22 - STEAM GENERATION
Information Patent Grant
Method of low-NOx combustion and burner device for effecting same
- Patent number 5,441,403
- Issue date Aug 15, 1995
- Nippon Furnace Kogyo Kaisha, Ltd.
- Ryoichi Tanaka
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Method of low-NOx combustion and burner device for effecting same
- Patent number 5,403,181
- Issue date Apr 4, 1995
- Nippon Furnace Kogyo Kaisha, Ltd.
- Ryoichi Tanaka
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES