Keiichiro Okamura

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Kamisumachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing high strength, high modulus mesophase-pitch ba...
- Patent number 4,898,723
- Issue date Feb 6, 1990
- Petoca Ltd.
- Yoshinori Suto
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING