Kenichi SHIMAI

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Gyoda City, JP

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Patents Grantslast 30 patents

Information Patent Grant
Groove processing device and groove processing method
- Patent number 9,101,970
- Issue date Aug 11, 2015
- Showa Corporation
- Kenichi Shimai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Tube expanding method and apparatus of damper tube
- Patent number 7,946,147
- Issue date May 24, 2011
- Showa Corporation
- Kenichi Shimai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
GROOVE PROCESSING DEVICE AND GROOVE PROCESSING METHOD
- Publication number 20130086968
- Publication date Apr 11, 2013
- Showa Corporation
- Kenichi SHIMAI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
TUBE EXPANDING METHOD AND APPARATUS OF DAMPER TUBE
- Publication number 20090152065
- Publication date Jun 18, 2009
- SHOWA CORPORATION
- Kenichi SHIMAI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...