Inventor · disambiguated record
Qianjia Ma
Also filed as: MA QIANJIA
6 granted patents·3 pending applications·10 citations·filing 2014–2023
76Inventor score
Top patents by PatentIndex Score
9 records- 0184US12071078B2Car mobile phone connection deviceMA YAOWU·Filed 2022·Granted Aug 27, 2024·2 cites·20 claims
- 0275US11055938B2Key and lock setMA YAOWU·Filed 2020·Granted Jul 6, 2021·1 cites·16 claims
- 0375US11056828B2Electrical connector structure adapted for vehicle cigarette lighter deviceMA YAOWU·Filed 2020·Granted Jul 6, 2021·1 cites·18 claims
- 0474US10529161B2Keys and locksMA YAOWU·Filed 2014·Granted Jan 7, 2020·5 cites·23 claims
- 0574US2024346865A1Keys and locksYAOWU MA·Filed 2023·Application pending·0 cites
- 0667US11790711B2Keys and locksMA YAOWU·Filed 2021·Granted Oct 17, 2023·0 cites·9 claims
- 0766US10797436B2Electrical connector structure adapted for a cigarette lighting device in vehiclesMA YAOWU·Filed 2018·Granted Oct 6, 2020·1 cites·20 claims
- 0831US2017088099A1Vehicle Key ApparatusMA YAOWU·Filed 2015·Application pending·0 cites
- 0929US2017222388A1High Air-Tightness DeviceMA YAOWU·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →