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Hiroshi Kobayashi
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Yasu, JP
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last 30 patents
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Patent Grant
Combustion device in tube nested boiler and its method of combustion
Patent number
5,746,159
Issue date
May 5, 1998
Hirakawa Guidom Corporation
Hiroshi Kobayashi
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Combustion device in tube nested boiler and its method of combustion
Patent number
5,482,009
Issue date
Jan 9, 1996
Hirakawa Guidom Corporation
Hiroshi Kobayashi
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Exhaust-gas fully fired type boiler and method of waste heat recove...
Patent number
5,419,284
Issue date
May 30, 1995
Hirakawa Guidom Corporation
Hiroshi Kobayashi
F22 - STEAM GENERATION
Information
Patent Grant
Gas turbine system with a tube-nested combustion chamber type combu...
Patent number
5,303,544
Issue date
Apr 19, 1994
Hirakawa Guidom Corporation
Hiroshi Kobayashi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Boiler equipped with water tubes
Patent number
5,050,541
Issue date
Sep 24, 1991
Hirakawa Iron Works, Ltd.
Hiroshi Kobayashi
F22 - STEAM GENERATION