Inventor · disambiguated record
Seiji Tokumasu
Also filed as: TOKUMASU SEIJI
2 granted patents·1 pending application·0 citations·filing 2009–2020
21Inventor score
Top patents by PatentIndex Score
3 recordsJoin the waitlist — get patent alerts
Get an alert when Seiji Tokumasu 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 →