Inventor · disambiguated record

Sadao Sumiya

Also filed as: SUMIYA SADAO

3 granted patents·47 citations·filing 19872001

70Inventor score
Technology areasF02M
Files withNIPPON DENSO CO2DENSO CORP1

Top patents by PatentIndex Score

3 records

Join the waitlist — get patent alerts

Get an alert when Sadao Sumiya 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 →