Inventor · disambiguated record
Issei Otsuka
Also filed as: OTSUKA ISSEI
2 granted patents·18 citations·filing 1986–1988
60Inventor score
Technology areasA61P
Files withEISAI CO LTD2
Top patents by PatentIndex Score
2 recordsJoin the waitlist — get patent alerts
Get an alert when Issei Otsuka 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 →