Inventor

MASUMOTO KEI

JP3 patents

⚠️ This page may combine multiple inventors who share the name “MASUMOTO KEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KOBE STEEL LTD

2 patents

US10593451B2Mar 17, 2020

Steel material having excellent corrosion resistance and excellent magnetic properties and production method therefor

KOBE STEEL LTD1 citations51

US10570478B2Feb 25, 2020

Steel for mechanical structure for cold working, and method for producing same

KOBE STEEL LTD0 citations50

SUGIMURA TOMOKO

1 patent

US8900381B2Dec 2, 2014

Spring steel and spring superior in fatigue properties

SUGIMURA TOMOKO0 citations46