Inventor · disambiguated record
Keiji Itou
Also filed as: ITOU KEIJI
3 granted patents·120 citations·filing 1983–2001
75Inventor score
Top patents by PatentIndex Score
3 records- 0192US6378298B2Exhaust purifying apparatus and method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted Apr 30, 2002·61 cites·31 claims
- 0270US4513841AMuffler for internal combustion enginesTOYOTA MOTOR CO LTD·Filed 1983·Granted Apr 30, 1985·39 cites·10 claims
- 0345US5677838AFaulty operation prevention circuit of a computerNIPPON DENSO CO·Filed 1995·Granted Oct 14, 1997·20 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when Keiji Itou 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 →