Yutaka Sumida

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Iwaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of thermally cracking heavy petroleum oil
- Patent number 4,214,979
- Issue date Jul 29, 1980
- Kureha Kagaku Kogyo Kabushiki Kaisha
- Hajime Nakanishi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Apparatus for the thermal cracking of heavy hydrocarbon
- Patent number 4,147,753
- Issue date Apr 3, 1979
- Kureha Kagaku Kogyo Kabushiki Kaisha
- Tomizo Endo
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...