Tooru Egoshi

Follow

Person

Kainan-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a seamless pipe
- Patent number 7,174,761
- Issue date Feb 13, 2007
- Sumitomo Metal Industries, Ltd.
- Hiroyuki Iwamoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Method of manufacturing a seamless pipe
- Publication number 20060059969
- Publication date Mar 23, 2006
- Hiroyuki Iwamoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...