Inventor
KANAYAMA TARO
JP11 patents
⚠️ This page may combine multiple inventors who share the name “KANAYAMA TARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KAWASAKI STEEL CO
7 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
US5983689ANov 16, 1999
Lubricant for use in hot work
KAWASAKI STEEL CO18 citations90
US5859124AJan 12, 1999
Lubricant for use in hot work
KAWASAKI STEEL CO22 citations90
US6202463B1Mar 20, 2001
Plug and mandrel bar for seamless steel pipe rolling operation for manufacturing seamless steel pipe
KAWASAKI STEEL CO17 citations83
US5813962ASep 29, 1998
Forged roll for rolling a seamless steel pipe
KAWASAKI STEEL CO11 citations70
US5950310ASep 14, 1999
Forged roll for rolling a seamless steel pipe and manufacturing method of same
KAWASAKI STEEL CO1 citations48
JFE STEEL CORP
4 patentsUS11053749B2Jul 6, 2021
Threaded joint for oil well steel pipe
JFE STEEL CORP3 citations72
US11353144B2Jun 7, 2022
Threaded joint
JFE STEEL CORP4 citations71
US10900595B2Jan 26, 2021
Threaded joint for oil well tubing
JFE STEEL CORP0 citations50
US10711533B2Jul 14, 2020
Threaded pipe joint
JFE STEEL CORP0 citations41