Inventor · disambiguated record
Masao Chiba
Also filed as: CHIBA MASAO
4 granted patents·98 citations·filing 1980–1994
79Inventor score
Top patents by PatentIndex Score
4 records- 0186US4304652ADevice for detection of air/fuel ratio from oxygen partial pressure in exhaust gasNISSAN MOTOR·Filed 1980·Granted Dec 8, 1981·56 cites·17 claims
- 0263US4300991AAir-fuel ratio detecting apparatusNISSAN MOTOR·Filed 1980·Granted Nov 17, 1981·20 cites·15 claims
- 0347US5006898ADeveloping apparatus for xerographyHITACHI KOKI KK·Filed 1989·Granted Apr 9, 1991·8 cites·2 claims
- 0446US5589960ALiquid crystal display systemKANSEI KK·Filed 1994·Granted Dec 31, 1996·14 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →