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Tetsuya Yoshida
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Tsuchiura, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Barrel-type multistage pump
Patent number
9,863,427
Issue date
Jan 9, 2018
Hitachi, Ltd.
Takahide Nagahara
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Barrel-type multistage pump
Patent number
9,249,804
Issue date
Feb 2, 2016
Hitachi, Ltd.
Takahide Nagahara
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Industrial pump and manufacturing method thereof
Patent number
7,882,632
Issue date
Feb 8, 2011
Hitachi Industries Co., Ltd.
Tetsuya Yoshida
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Fluidal machine
Patent number
6,749,397
Issue date
Jun 15, 2004
Hitachi, Ltd.
Yoshiharu Ueyama
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Fluidal machine
Patent number
6,568,904
Issue date
May 27, 2003
Hitachi, Ltd.
Yoshiharu Ueyama
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
BARREL-TYPE MULTISTAGE PUMP
Publication number
20150285254
Publication date
Oct 8, 2015
Hitachi, Ltd
Takahide NAGAHARA
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
BARREL-TYPE MULTISTAGE PUMP
Publication number
20120171014
Publication date
Jul 5, 2012
Hitachi Plant Technologies, Ltd.
Takahide Nagahara
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Multi Stage Diffuser Pump
Publication number
20080014082
Publication date
Jan 17, 2008
Katsutoshi Kobayashi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Industrial pump and manufacturing method thereof
Publication number
20060204386
Publication date
Sep 14, 2006
Tetsuya Yoshida
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Fluidal machine
Publication number
20030108419
Publication date
Jun 12, 2003
Hitachi, Ltd.
Yoshiharu Ueyama
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...