Inventor
YAMAOKA RYOSUKE
JP5 patents
⚠️ This page may combine multiple inventors who share the name “YAMAOKA RYOSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO RIKO CO LTD
4 patentsUS12312468B2May 27, 2025
Silicone rubber composition, silicone rubber crosslinked body, and sealant
SUMITOMO RIKO CO LTD0 citations55
US12492329B2Dec 9, 2025
Seal member
SUMITOMO RIKO CO LTD0 citations54
US10364353B2Jul 30, 2019
Silicone rubber composition and silicone rubber crosslinked body
SUMITOMO RIKO CO LTD1 citations53
US10125236B2Nov 13, 2018
Elastic roll for electrophotographic apparatus and method for manufacturing the same
SUMITOMO RIKO CO LTD0 citations44