Inventor · disambiguated record
Akio Sagawa
Also filed as: ITO TETSUO · SAGAWA AKIO
4 granted patents·63 citations·filing 1976–1982
76Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0190US4040294AApparatus for detecting misfire in multicylinder internal combustion engineHITACHI LTD·Filed 1976·Granted Aug 9, 1977·32 cites·24 claims
- 0272US4465967ACurrent supply circuitHITACHI LTD·Filed 1982·Granted Aug 14, 1984·22 cites·8 claims
- 0355US4184086ASemiconductor switchHITACHI LTD·Filed 1978·Granted Jan 15, 1980·7 cites·8 claims
- 0431US4392069ASemiconductor switchHITACHI LTD·Filed 1980·Granted Jul 5, 1983·2 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →