Hidemasa Nakajima

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for gasifying carbonaceous material
- Patent number 4,738,688
- Issue date Apr 19, 1988
- Sumitomo Metal Industries, Ltd.
- Hidemasa Nakajima
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Coal gasification apparatus
- Patent number 4,565,551
- Issue date Jan 21, 1986
- Sumitomo Metal Industries, Ltd.
- Koji Okane
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Lance structure for oxygen-blowing process in top-blown converters
- Patent number 4,541,617
- Issue date Sep 17, 1985
- Sumitomo Metal Industries
- Kohji Okane
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for production of low phosphorus alloy
- Patent number 4,522,650
- Issue date Jun 11, 1985
- Sumitomo Metal Industries, Ltd.
- Hidemasa Nakajima
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for refining high-chromium steels
- Patent number 4,474,605
- Issue date Oct 2, 1984
- Sumitomo Metal Industries, Ltd.
- Seiichi Masuda
- C21 - METALLURGY OF IRON
Information Patent Grant
Production of ultra-low phosphorus steel
- Patent number 4,456,477
- Issue date Jun 26, 1984
- Sumitomo Metal Industries, Inc.
- Seiichi Masuda
- C21 - METALLURGY OF IRON
Information Patent Grant
Gasification process of solid carbonaceous material
- Patent number 4,389,246
- Issue date Jun 21, 1983
- Sumitomo Metal Industries
- Shozo Okamura
- C21 - METALLURGY OF IRON

Hidemasa Nakajima

Person

Patents Grantslast 30 patents

Process for gasifying carbonaceous material

Coal gasification apparatus

Lance structure for oxygen-blowing process in top-blown converters

Process for production of low phosphorus alloy

Process for refining high-chromium steels

Production of ultra-low phosphorus steel

Gasification process of solid carbonaceous material