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Shinichiro Yamada
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Yaizu, JP
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Patents Grants
last 30 patents
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Patent Grant
Piston operated bypass valve for a screw compressor
Patent number
9,169,840
Issue date
Oct 27, 2015
Hitachi Appliances, Inc.
Ryuichiro Yonemoto
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
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Patent Application
Screw Compressor and Chiller Unit Using Same
Publication number
20120247139
Publication date
Oct 4, 2012
Hitachi Appliances, Inc.
Ryuichiro Yonemoto
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Patent Application
Screw compressor
Publication number
20100247366
Publication date
Sep 30, 2010
Hitachi Appliances, Inc.
Eisuke KATO
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES