Ken Nagasawa

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing carbon materials
- Patent number 4,637,906
- Issue date Jan 20, 1987
- Kawasaki Steel Corporation
- Noriyoshi Fukuda
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of producing a precursor pitch for carbon fiber
- Patent number 4,589,975
- Issue date May 20, 1986
- Kozo Yudate
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method for producing a precursor pitch for carbon fiber
- Patent number 4,578,177
- Issue date Mar 25, 1986
- Kawasaki Steel Corporation
- Kozo Yudate
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Method for producing a precursor pitch for carbon fiber
- Patent number 4,575,412
- Issue date Mar 11, 1986
- Kawasaki Steel Corporation
- Kozo Yudate
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...