Inventor
TANAKA NOBUKI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA NOBUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KAWASAKI STEEL CO
9 patentsUS6331216B1Dec 18, 2001
Steel pipe having high ductility and high strength and process for production thereof
KAWASAKI STEEL CO41 citations92
US6290789B1Sep 18, 2001
Ultrafine-grain steel pipe and process for manufacturing the same
KAWASAKI STEEL CO26 citations92
US6006789ADec 28, 1999
Method of preparing a steel pipe, an apparatus thereof and a steel pipe
KAWASAKI STEEL CO32 citations92
US6216511B1Apr 17, 2001
Apparatus and method for smoothing a welded seam of steel pipe
KAWASAKI STEEL CO16 citations91
US5942132AAug 24, 1999
Method of and apparatus for producing steel pipes
KAWASAKI STEEL CO23 citations91
US6375059B2Apr 23, 2002
Method for smoothing steel pipe seam portion
KAWASAKI STEEL CO6 citations72
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
US6216520B1Apr 17, 2001
Rolling mill
KAWASAKI STEEL CO3 citations60