Inventor
KUMAGAI Hiromu
JP6 patents
Patents
6 patentsUS12319785B2Jun 3, 2025
Method for producing aromatic polyether, and potassium carbonate used in same
IDEMITSU KOSAN CO0 citations60
US12098243B2Sep 24, 2024
Polyether ether ketone and method for producing polyether ether ketone
IDEMITSU KOSAN CO0 citations60
US12091504B2Sep 17, 2024
Polyether ether ketone, composition, and sheet
IDEMITSU KOSAN CO0 citations60
US11542453B2Jan 3, 2023
Grease composition, mechanism component, and production method for grease composition
IDEMITSU KOSAN CO0 citations58
US10704010B2Jul 7, 2020
Grease and method for manufacturing grease
IDEMITSU KOSAN CO0 citations48
US10829711B2Nov 10, 2020
Grease, mechanical component, and method for producing grease
IDEMITSU KOSAN CO0 citations47