Inventor
FUJII KENGO
JP3 patents
Patents
3 patentsUS11774875B2Oct 3, 2023
Development roll for electrophotographic apparatuses
SUMITOMO RIKO CO LTD0 citations58
US11385564B2Jul 12, 2022
Development roller for electrophotographic device
SUMITOMO RIKO CO LTD0 citations55
US10942472B2Mar 9, 2021
Electrophotography device development roll including shaft, elastic layer and surface layer
SUMITOMO RIKO CO LTD0 citations43