Inventor · disambiguated record
Qingzhu Duan
Also filed as: DUAN QINGZHU
4 granted patents·2 pending applications·1 citations·filing 2014–2019
55Inventor score
Top patents by PatentIndex Score
6 records- 0168US11086924B2Image search device and image search methodHITACHI LTD·Filed 2017·Granted Aug 10, 2021·1 cites·8 claims
- 0247US9218812B2Vehicular device, server, and information processing methodCLARION CO LTD·Filed 2014·Granted Dec 22, 2015·0 cites·13 claims
- 0344US9426273B2Program expanding system, server for use therein, program expanding method and program managing programCLARION CO LTD·Filed 2014·Granted Aug 23, 2016·0 cites·14 claims
- 0439US2021348920A1Object Position Estimation Device and Method ThereforHITACHI LTD·Filed 2019·Application pending·0 cites
- 0535US9804821B2Interaction history management device, interaction device and interaction history management methodCLARION CO LTD·Filed 2015·Granted Oct 31, 2017·0 cites·8 claims
- 0635US2018304901A1Driving comfort calculation device, driving comfort calculation method, and driving comfort calculation systemCLARION CO LTD·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →