Nobuhiro Murai

Follow

Person

Kitakyushu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Metallic material having ultra-fine grain structure and method for...
- Patent number 5,080,727
- Issue date Jan 14, 1992
- Sumitomo Metal Industries, Ltd.
- Kenji Aihara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...