Inventor
OHATA TAKUMI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “OHATA TAKUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI METALS LTD
5 patentsUS4958422ASep 25, 1990
Wear-resistant compound roll
HITACHI METALS LTD18 citations63
US10920304B2Feb 16, 2021
Cemented carbide and its production method, and rolling roll
HITACHI METALS LTD1 citations59
US11613796B2Mar 28, 2023
Cemented carbide and composite cemented carbide roll for rolling
HITACHI METALS LTD0 citations58
US11590545B2Feb 28, 2023
Composite cemented carbide roll, and production method of composite cemented carbide roll
HITACHI METALS LTD0 citations50
US11045849B2Jun 29, 2021
Composite cemented carbide roll
HITACHI METALS LTD0 citations47