Inventor · disambiguated record
Hirosi Katada
Also filed as: KATADA HIROSI
4 granted patents·42 citations·filing 1975–1983
75Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0171US4245600AContactless ignition system for internal combustion engineHITACHI LTD·Filed 1979·Granted Jan 20, 1981·14 cites·4 claims
- 0265US4025836AProtective system against commutation failure in a chopper circuitHITACHI LTD·Filed 1975·Granted May 24, 1977·18 cites·11 claims
- 0341US4552110AElectronic ignition control systemHITACHI LTD·Filed 1983·Granted Nov 12, 1985·5 cites·6 claims
- 0436US4144854AIgnition apparatus for internal combustion engineHITACHI LTD·Filed 1977·Granted Mar 20, 1979·5 cites·4 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →