Makoto Kitai

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Osaka-Sayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing pitch-type carbon fiber
- Patent number 5,204,030
- Issue date Apr 20, 1993
- Koa Oil Company, Limited
- Eiji Kitajima
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING