Inventor
MIYAGAWA Shimpei
JP8 patents
Patents
8 patentsUS11215937B2Jan 4, 2022
Charging roll or developing roll for electrophotographic device
SUMITOMO RIKO CO LTD2 citations65
US12105436B2Oct 1, 2024
Charging roll for electrophotographic equipment
SUMITOMO RIKO CO LTD0 citations60
US10942482B2Mar 9, 2021
Method for manufacturing blade for electrophotographic devices
SUMITOMO RIKO CO LTD1 citations60
US10203648B2Feb 12, 2019
Cleaning blade for electrophotographic equipment
SUMITOMO RIKO CO LTD1 citations58
US10030167B2Jul 24, 2018
Method for producing blade member
SUMITOMO RIKO CO LTD0 citations49
US10635041B2Apr 28, 2020
Cleaning blade
SUMITOMO RIKO CO LTD0 citations48
US10095176B2Oct 9, 2018
Composition for cleaning blade for electrophotographic apparatus and cleaning blade for electrophotographic apparatus
SUMITOMO RIKO CO LTD0 citations48
US10684585B2Jun 16, 2020
Cleaning blade
SUMITOMO RIKO CO LTD0 citations35