Kazutoshi Chijiiwa

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Minamisatsuma-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical disk restoration method and apparatus
- Patent number 8,342,905
- Issue date Jan 1, 2013
- Elm Inc.
- Takakazu Miyahara
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DISK RESTORATION METHOD AND APPARATUS
- Publication number 20110143636
- Publication date Jun 16, 2011
- ELM INC.
- Takakazu Miyahara
- B24 - GRINDING POLISHING