Inventor
OKUYAMA NORIYUKI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “OKUYAMA NORIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOBE STEEL LTD
9 patentsUS7799100B2Sep 21, 2010
Method for producing improved coal for use in metallurgy, and method for producing reduced metal and slag containing oxidized nonferrous metal
KOBE STEEL LTD8 citations83
US10131858B2Nov 20, 2018
Method for manufacturing ashless coal
KOBE STEEL LTD0 citations51
US9752088B2Sep 5, 2017
Ashless coal production method
KOBE STEEL LTD0 citations51
US9714394B2Jul 25, 2017
Method for producing ashless coal
KOBE STEEL LTD1 citations51
US9382493B2Jul 5, 2016
Ash-free coal production method
KOBE STEEL LTD1 citations51
US9334457B2May 10, 2016
Ash-free coal production method
KOBE STEEL LTD1 citations51
US9334456B2May 10, 2016
Ash-free coal production method
KOBE STEEL LTD1 citations50
US10035967B2Jul 31, 2018
Method for producing ash-free coal
KOBE STEEL LTD0 citations41
US9938477B2Apr 10, 2018
Ashless-coal production device, and ashless-coal production method
KOBE STEEL LTD0 citations41