Ryoji SHIRAKAMI

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vortex pump device with wiring outlet part
- Patent number 9,097,256
- Issue date Aug 4, 2015
- Nidec Corporation
- Mitsuo Yokozawa
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
VORTEX PUMP DEVICE
- Publication number 20130028765
- Publication date Jan 31, 2013
- NIDEC SANKYO CORPORATION
- Mitsuo YOKOZAWA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...