Hirotsugu Kasuya

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Patents Grantslast 30 patents

Information Patent Grant
Pump trouble diagnosing device for hydraulic drive device and displ...
- Patent number 6,823,289
- Issue date Nov 23, 2004
- Hitachi Construction Machinery Co., Ltd.
- Hirotsugu Kasuya
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Pump trouble diagnosing device for hydraulic drive device and displ...
- Publication number 20030144818
- Publication date Jul 31, 2003
- Hirotsugu Kasuya
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...