Yoshinobu Yamada

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Haga-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Variable displacement pump
- Patent number 7,682,135
- Issue date Mar 23, 2010
- Showa Corporation
- Takeshi Ueki
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Back pressure groove structure of variable displacement vane pump
- Patent number 6,375,441
- Issue date Apr 23, 2002
- Showa Corporation
- Morihito Ichizuki
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
Variable Displacement Pump
- Publication number 20070280842
- Publication date Dec 6, 2007
- SHOWA CORPORATION
- Takeshi Ueki
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...