Kenji Saito

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Variable displacement pump
- Patent number 6,382,925
- Issue date May 7, 2002
- Showa Corporation
- Kenzo Oba
- 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