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TAC RESEARCH INC.
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Yonezawa-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Expander and air refrigeration device with the same
Patent number
10,400,599
Issue date
Sep 3, 2019
Z MECHANISM TECHNOLOGY INSTITUTE CO., LTD.
Yasuo Yoshizawa
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
XY separate crank mechanism and driving device provided therewith
Patent number
9,316,249
Issue date
Apr 19, 2016
TAC Research Inc.
Yasuo Yoshizawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Patents Applications
last 30 patents
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Patent Application
EXPANDER AND AIR REFRIGERATION DEVICE WITH THE SAME
Publication number
20170022810
Publication date
Jan 26, 2017
Z Mechanism Technology Institute Co., Ltd.
Yasuo Yoshizawa
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
XY SEPARATE CRANK MECHANISM AND DRIVING DEVICE PROVIDED THEREWITH
Publication number
20140041622
Publication date
Feb 13, 2014
NAKASHIN REISHOKU CO., LTD.
Yasuo Yoshizawa
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...