Inventor · disambiguated record
Dan Duan
Also filed as: DUAN DAN
2 granted patents·2 pending applications·1 citations·filing 2004–2024
32Inventor score
Top patents by PatentIndex Score
4 records- 0160US2024182799A1Method and device for treating oil gasSINOPEC ENGINEERING INC·Filed 2024·Application pending·0 cites
- 0249US11946002B2Method and device for treating oil gasSINOPEC ENGINEERING INC·Filed 2020·Granted Apr 2, 2024·0 cites·13 claims
- 0336US2005185101A1Signal combination apparatus and communication systemASIA OPTICAL CO INC·Filed 2005·Application pending·0 cites
- 0433US7046345B2Apparatus for precise distance measurementASIA OPTICAL CO INC·Filed 2004·Granted May 16, 2006·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →