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Kazuo Someya
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Kudamatsu, JP
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last 30 patents
Information
Patent Grant
Packing material and air separator
Patent number
5,653,126
Issue date
Aug 5, 1997
Hitachi, Ltd.
Susumu Harada
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process for purifying argon gas and apparatus used therefor
Patent number
4,816,237
Issue date
Mar 28, 1989
Hitachi, Ltd.
Masaomi Tomomura
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method and apparatus for separating gas mixture
Patent number
4,737,167
Issue date
Apr 12, 1988
Hitachi, Ltd.
Misayo Ohtani
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process and apparatus for recovering inert gas
Patent number
4,623,524
Issue date
Nov 18, 1986
Hitachi, Ltd.
Kazuo Someya
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Gas-liquefying system including control means responsive to the tem...
Patent number
4,582,519
Issue date
Apr 15, 1986
Hitachi, Ltd.
Kazuo Someya
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...