Tadao Tsutaya

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Blast-furnace operation method
- Patent number 4,273,577
- Issue date Jun 16, 1981
- Kobe Steel, Limited
- Isao Fujita
- C21 - METALLURGY OF IRON
Information Patent Grant
Fired iron-ore pellets having macro pores and process for producing...
- Patent number 4,257,806
- Issue date Mar 24, 1981
- Kobe Steel, Limited
- Isao Fujita
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Fired iron-ore pellets having macro pores
- Patent number 4,231,797
- Issue date Nov 4, 1980
- Kobe Steel, Limited
- Isao Fujita
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...