Akira Miyasaka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Retainer ring used for polishing a structure for manufacturing magn...
- Patent number 7,867,060
- Issue date Jan 11, 2011
- TDK Corporation
- Hiroki Aritomo
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Retainer ring used for polishing a structure for manufacturing magn...
- Publication number 20090247060
- Publication date Oct 1, 2009
- TDK Corporation
- Hiroki Aritomo
- B24 - GRINDING POLISHING