Takashi Oyama

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Izumi-Otsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing a coil-shaped carbon fiber bundle
- Patent number 5,277,850
- Issue date Jan 11, 1994
- Kao Oil Co., Ltd.
- Eiji Kitajima
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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
Information Patent Grant
Process for producing a coil-shaped carbon fiber bundle
- Patent number 5,183,603
- Issue date Feb 2, 1993
- Koa Oil Company Limited
- Eiji Kitajima
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING