Katsumi Sakurai

Follow

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for preheating the ends of upset steel pipes
- Patent number 4,477,708
- Issue date Oct 16, 1984
- Nippon Kokan Kabushiki Kaisha
- Shigeru Sano
- C21 - METALLURGY OF IRON
Information Patent Grant
Multi-pipe type quenching apparatus
- Patent number 4,444,376
- Issue date Apr 24, 1984
- Nippon Kokan Kabushiki Kaisha
- Harumi Noguchi
- C21 - METALLURGY OF IRON