Inventor

SUGIE YOSHINORI

JP3 patents

Patents

3 patents

US5942132AAug 24, 1999

Method of and apparatus for producing steel pipes

KAWASAKI STEEL CO23 citations91

US6216940B1Apr 17, 2001

Pipe forming roll apparatus and method

KAWASAKI STEEL CO10 citations71

US6041632AMar 28, 2000

Pipe forming roll apparatus and method

KAWASAKI STEEL CO9 citations71