Inventor · disambiguated record
Yungen Qin
Also filed as: QIN YUNGEN
0 granted patents·2 pending applications·0 citations·filing 2022–2022
Files withBEIJING ROBOROCK TECHNOLOGY CO LTD2
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2 records- 0144US2025127361A1Position arrival switch assembly and automatic cleaning apparatusBEIJING ROBOROCK TECHNOLOGY CO LTD·Filed 2022·Application pending·0 cites
- 0236US2024415359A1Button structure, liquid storage tank, and automatic cleaning apparatusBEIJING ROBOROCK TECHNOLOGY CO LTD·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →