Kenji Takano

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Patents Grantslast 30 patents

Information Patent Grant
Blank for a ring member of a bearing, manufacturing method for the...
- Patent number 8,197,949
- Issue date Jun 12, 2012
- Seiko Instruments Inc.
- Hironobu Itoh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Blank for a ring member of a bearing, manufacturing method for the...
- Publication number 20090257700
- Publication date Oct 15, 2009
- Hironobu Itoh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...