Katsutoshi Igawa

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Okayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
High reactivity and high strength coke for blast furnace and method...
- Patent number 6,875,316
- Issue date Apr 5, 2005
- JFE Steel Corporation
- Koji Hanaoka
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method for producing metallurgical coke
- Patent number 6,830,660
- Issue date Dec 14, 2004
- JFE Steel Corporation
- Yutaka Yamauchi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method of the magnetic loading of a sintering material
- Patent number 6,581,779
- Issue date Jun 24, 2003
- Kawasaki Steel Corporation
- Nobuyuki Oyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of feeding sintering material by use of magnetic forces
- Patent number 6,349,833
- Issue date Feb 26, 2002
- Kawasaki Steel Corporation
- Nobuyuki Oyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of charging coal into chamber furnace-type coke oven and app...
- Patent number 5,609,458
- Issue date Mar 11, 1997
- Kawasaki Steel Corporation
- Kouji Hanaoka
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
Method of the magnetic loading of a sintering material
- Publication number 20020104783
- Publication date Aug 8, 2002
- Nobuyuki Oyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...