Inventor
KAWAMURA TOSHIFUMI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “KAWAMURA TOSHIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PETOCA LTD
4 patentsUS5308599AMay 3, 1994
Process for producing pitch-based carbon fiber
PETOCA LTD13 citations73
US5888928AMar 30, 1999
Process for producing activated carbon fiber molding and activated carbon fiber molding
PETOCA LTD6 citations71
US5292473AMar 8, 1994
Process for preparing pitch for matrix
PETOCA LTD3 citations62
US5547363AAug 20, 1996
Nozzle for spinning pitch-based carbon fibers
PETOCA LTD3 citations61
JX NIPPON MINING & METALS CORP
4 patentsUS10647589B2May 12, 2020
Polyoxometalate and method for producing polyoxometalate
JX NIPPON MINING & METALS CORP0 citations50
US10538849B2Jan 21, 2020
Method for recovering at least one valuable containing tungsten
JX NIPPON MINING & METALS CORP0 citations50
US10422022B2Sep 24, 2019
Method for producing tungsten
JX NIPPON MINING & METALS CORP0 citations50
US10227235B2Mar 12, 2019
Method for producing tungsten carbide
JX NIPPON MINING & METALS CORP0 citations50
NIPPON MINING CO
2 patentsUS7713340B2May 11, 2010
Pretreating agent for electroless plating, method of electroless plating using the same and product of electroless plating
NIPPON MINING CO11 citations83
US8043705B2Oct 25, 2011
Resin substrate material, electronic component substrate material manufactured by electroless plating on the same, and method for manufacturing electronic component substrate material
NIPPON MINING CO2 citations61