Inventor · disambiguated record
Masashi Hamakubo
Also filed as: HAMAKUBO MASASHI
9 granted patents·5 pending applications·1 citations·filing 2008–2023
75Inventor score
Top patents by PatentIndex Score
14 records- 0178US11884803B2Sheet transport roller rubber composition and sheet transport rollerSUMITOMO RUBBER IND·Filed 2022·Granted Jan 30, 2024·0 cites·5 claims
- 0272US11958707B2Sheet transport roller rubber composition and sheet transport rollerSUMITOMO RUBBER IND·Filed 2022·Granted Apr 16, 2024·0 cites·10 claims
- 0369US2024002648A1Sheet conveyance roller rubber composition and sheet conveyance rollerSUMITOMO RUBBER IND·Filed 2023·Application pending·0 cites
- 0461US9809405B2Paper feeding rollerSUMITOMO RUBBER IND·Filed 2014·Granted Nov 7, 2017·1 cites·6 claims
- 0555US9926161B2Paper feeding rollerSUMITOMO RUBBER IND·Filed 2017·Granted Mar 27, 2018·0 cites·3 claims
- 0654US2020002109A1Rubber composition and paper feeding roller formed of the sameSUMITOMO RUBBER IND·Filed 2019·Application pending·0 cites
- 0752US10745543B2Antistatic rubber compositionSUMITOMO RUBBER IND·Filed 2018·Granted Aug 18, 2020·0 cites·5 claims
- 0851US10153067B2Electroconductive elastomer composition and manufacturing method thereforSUMITOMO RUBBER IND·Filed 2014·Granted Dec 11, 2018·0 cites·3 claims
- 0947US10294052B2Sheet feed roller, and method of producing the sameSUMITOMO RUBBER IND·Filed 2016·Granted May 21, 2019·0 cites·6 claims
- 1047US9777136B2Rubber composition and rubber molded article using the sameSUMITOMO RUBBER IND·Filed 2015·Granted Oct 3, 2017·0 cites·2 claims
- 1145US2020002519A1Rubber composition and paper feeding roller formed of the sameSUMITOMO RUBBER IND·Filed 2019·Application pending·0 cites
- 1243US8794477B2Sealing material for high-pressure hydrogen container, and high-pressure hydrogen containerKAMIYA ITSUO·Filed 2008·Granted Aug 5, 2014·0 cites·5 claims
- 1343US2017283602A1Rubber composition, and rubber product produced by using the rubber compositionSUMITOMO RUBBER IND·Filed 2017·Application pending·0 cites
- 1441US2016347928A1Rubber composition, and sheet conveying roller produced by using the rubber compositionSUMITOMO RUBBER IND·Filed 2016·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →