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Tadahisa Masai
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Yamaguchi, JP
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last 30 patents
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Patent Grant
Pulverized coal combustion apparatus
Patent number
4,881,474
Issue date
Nov 21, 1989
Babcock-Hitachi Kabushiki Kaisha
Osamu Okada
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Apparatus for low concentration NOx combustion
Patent number
4,807,541
Issue date
Feb 28, 1989
Babcock-Hitachi Kabushiki Kaisha
Tadahisa Masai
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Method of and apparatus for combusting coal-water mixture
Patent number
4,741,279
Issue date
May 3, 1988
Hitachi, Ltd.
Shigeru Azuhata
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Apparatus for coal combustion
Patent number
4,545,307
Issue date
Oct 8, 1985
Babcock-Hitachi Kabushiki Kaisha
Shigeki Morita
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Fuel jet method and apparatus for pulverized coal burner
Patent number
4,515,094
Issue date
May 7, 1985
Hitachi, Ltd.
Shigeru Azuhata
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Method of operating air conditioner
Patent number
4,368,621
Issue date
Jan 18, 1983
Hitachi, Ltd.
Naoto Yamaguma
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Fan having forward-curved blades
Patent number
4,165,950
Issue date
Aug 28, 1979
Hitachi, Ltd.
Tadahisa Masai
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...