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Hideo Hatakeyama
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Yokohama, JP
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Patents Grants
last 30 patents
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Patent Grant
Cryogenic cooling apparatus and cryogenic cooling method for coolin...
Patent number
5,737,927
Issue date
Apr 14, 1998
Kabushiki Kaisha Toshiba
Masahiko Takahashi
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cooling system having a plurality of cooling stages in which refrig...
Patent number
5,711,157
Issue date
Jan 27, 1998
Kabushiki Kaisha Toshiba
Yasumi Ohtani
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Pulse tube refrigerator
Patent number
5,412,952
Issue date
May 9, 1995
Kabushiki Kaisha Toshiba
Yasumi Ohtani
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Pulse tube refrigerator
Patent number
5,335,505
Issue date
Aug 9, 1994
Kabushiki Kaisha Toshiba
Yasumi Ohtani
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...