Yutaka Hasegawa

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Patents Applicationslast 30 patents

Information Patent Application
Method of manufacturing a piston having a hollow piston head
- Publication number 20030183076
- Publication date Oct 2, 2003
- Shinji Nakamura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Fixed displacement compressors
- Publication number 20020184999
- Publication date Dec 12, 2002
- Yutaka Hasegawa
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...