Hirokazu Teraoka

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Osaka, 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
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
Information Patent Grant
Apparatus for production of crystallizable carbonaceous material
- Patent number 4,769,139
- Issue date Sep 6, 1988
- Koa Oil Company, Limited
- Kosaku Noguchi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method and apparatus for production of crystallizable carbonaceous...
- Patent number 4,488,957
- Issue date Dec 18, 1984
- Koa Oil Company, Ltd.
- Kosaku Noguchi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...