Inventor · disambiguated record
Naoyuki Maruta
Also filed as: MARUTA NAOYUKI
3 granted patents·51 citations·filing 1997–2002
73Inventor score
Files withTOYOTA MOTOR CO LTD3
Top patents by PatentIndex Score
3 records- 0178US6711944B2Method of testing assembled internal combustion engineTOYOTA MOTOR CO LTD·Filed 2002·Granted Mar 30, 2004·19 cites·13 claims
- 0266US6236213B1Method and apparatus for inspecting spark plug while spark plug is installed in engineTOYOTA MOTOR CO LTD·Filed 1997·Granted May 22, 2001·21 cites·21 claims
- 0351US6481269B2Method of testing assembled internal combustion engineTOYOTA MOTOR CO LTD·Filed 1997·Granted Nov 19, 2002·11 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when Naoyuki Maruta 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 →