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Ryuichi Kaji
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Kitaibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Organic substance processing system and organic substance processin...
Patent number
6,206,658
Issue date
Mar 27, 2001
Hitachi, Ltd.
Akira Nishioka
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Waste incineration heat conversion system
Patent number
5,678,420
Issue date
Oct 21, 1997
Hitachi, Ltd.
Toshiko Fukushima
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Rankine cycle power generation system and a method for operating th...
Patent number
5,675,970
Issue date
Oct 14, 1997
Hitachi, Ltd.
Akira Yamada
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method for surface treatment of a body, surface treatment agent, su...
Patent number
5,346,633
Issue date
Sep 13, 1994
Hitachi, Ltd.
Takayuki Nakakawaji
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Electronic equipment and computer with heat pipe
Patent number
5,331,510
Issue date
Jul 19, 1994
Hitachi, Ltd.
Katsunori Ouchi
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Absorption chiller heater and unit-type air conditioning system
Patent number
5,289,868
Issue date
Mar 1, 1994
Hitachi, Ltd.
Yasuo Koseki
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Process for removing ash from coal
Patent number
4,456,528
Issue date
Jun 26, 1984
Hitachi, Ltd.
Hidetoshi Akimoto
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...