Inventor · disambiguated record
Qingshan Du
Also filed as: DU QINGSHAN
7 granted patents·3 pending applications·17 citations·filing 2020–2025
79Inventor score
Top patents by PatentIndex Score
10 records- 0179USD923117SToyDU QINGSHAN·Filed 2020·Granted Jun 22, 2021·9 cites·1 claims
- 0260USD954850SToyDU QINGSHAN·Filed 2020·Granted Jun 14, 2022·3 cites·1 claims
- 0360US2025107272A1Solar cell, method for preparing same and electrical deviceHENGDIAN GROUP DMEGC MAGNETICS CO LTD·Filed 2024·Application pending·0 cites
- 0456US2025048779A1Solar cell and preparation method thereofHENGDIAN GROUP DMEGC MAGNETICS CO LTD·Filed 2024·Application pending·0 cites
- 0552USD977032SBus toyShantou Wei Zhi Kang Toys Company·Filed 2020·Granted Jan 31, 2023·2 cites·1 claims
- 0650US2025287726A1Silicon wafer texturing method, textured silicon wafer, crystalline silicon cell and manufacturing method thereforHENGDIAN GROUP DMEGC MAGNETICS CO LTD·Filed 2025·Application pending·0 cites
- 0747USD954849SToyDU QINGSHAN·Filed 2020·Granted Jun 14, 2022·1 cites·1 claims
- 0846USD964492SBall toyDU QINGSHAN·Filed 2020·Granted Sep 20, 2022·1 cites·1 claims
- 0942USD967268SRing toss toy setShantou Wei Zhi Kang Toys Company·Filed 2020·Granted Oct 18, 2022·1 cites·1 claims
- 1038USD1006906SToyDU QINGSHAN·Filed 2020·Granted Dec 5, 2023·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →