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Takao Muto
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Variable displacement vane pump
Patent number
7,993,116
Issue date
Aug 9, 2011
Hitachi, Ltd.
Norikatsu Hoshina
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
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Patent Application
Variable displacement vane pump
Publication number
20080118372
Publication date
May 22, 2008
Hitachi, Ltd.
Norikatsu Hoshina
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...