Inventor
SONOBE AKIO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “SONOBE AKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JFE STEEL CORP
4 patentsUS10207328B2Feb 19, 2019
Alloy steel powder for powder metallurgy, and sintered body
JFE STEEL CORP8 citations81
US6918945B2Jul 19, 2005
Method for producing sponge iron, and reduced iron powder and method for production thereof
JFE STEEL CORP7 citations73
US10774403B2Sep 15, 2020
Iron-based alloy powder for powder metallurgy, and sinter-forged member
JFE STEEL CORP0 citations51
US10526254B2Jan 7, 2020
Iron-ion supply material
JFE STEEL CORP0 citations45
KAWASAKI STEEL CO
3 patentsUS5279640AJan 18, 1994
Method of making iron-based powder mixture
KAWASAKI STEEL CO22 citations91
US5476534ADec 19, 1995
Iron-based powder mixture and method
KAWASAKI STEEL CO14 citations72
US6648941B2Nov 18, 2003
Iron-based mixed powder for powder metallurgy and iron-based sintered compact
KAWASAKI STEEL CO5 citations61