Inventor · disambiguated record

Takumi Sumida

Also filed as: SUMIDA TAKUMI

12 granted patents·9 pending applications·86 citations·filing 20032024

88Inventor score
Technology areasA61PC07D
Files withOTSUKA PHARMA CO LTD11FUKUSHIMA TAE2SEKIGUCHI KAZUO2MATSUYAMA HIRONORI1NAKAGAWA TAKASHI1

Top patents by PatentIndex Score

21 records

Join the waitlist — get patent alerts

Get an alert when Takumi Sumida files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →