Inventor
HAMAKUBO MASASHI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “HAMAKUBO MASASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO RUBBER IND
8 patentsUS11958707B2Apr 16, 2024
Sheet transport roller rubber composition and sheet transport roller
SUMITOMO RUBBER IND0 citations61
US11884803B2Jan 30, 2024
Sheet transport roller rubber composition and sheet transport roller
SUMITOMO RUBBER IND0 citations60
US10745543B2Aug 18, 2020
Antistatic rubber composition
SUMITOMO RUBBER IND0 citations49
US9926161B2Mar 27, 2018
Paper feeding roller
SUMITOMO RUBBER IND0 citations49
US9809405B2Nov 7, 2017
Paper feeding roller
SUMITOMO RUBBER IND1 citations49
US9777136B2Oct 3, 2017
Rubber composition and rubber molded article using the same
SUMITOMO RUBBER IND0 citations48
US10294052B2May 21, 2019
Sheet feed roller, and method of producing the same
SUMITOMO RUBBER IND0 citations45
US10153067B2Dec 11, 2018
Electroconductive elastomer composition and manufacturing method therefor
SUMITOMO RUBBER IND0 citations43