Masafumi Kitamura

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Patents Grantslast 30 patents

Information Patent Grant
Keel-tipped stylus, and method and device for making keel-tipped st...
- Patent number 4,450,551
- Issue date May 22, 1984
- Sanyo Electric Co., Ltd.
- Toshiyuki Kudo
- B24 - GRINDING POLISHING