Inventor · disambiguated record
Yifan Qian
Also filed as: QIAN YIFAN
2 granted patents·1 pending application·66 citations·filing 1999–2018
61Inventor score
Top patents by PatentIndex Score
3 records- 0163US7485023B2Organic electroluminescent device having partition wall and a manufacturing method of the same by relief printing methodTOPPAN PRINTING CO LTD·Filed 2006·Granted Feb 3, 2009·2 cites·6 claims
- 0259US6339288B1Circuit board for organic electroluminescent panel, method of manufacture, and electroluminescent panelTOPPAN PRINTING CO LTD·Filed 1999·Granted Jan 15, 2002·64 cites·51 claims
- 0338US2021403606A1Method for separating and purifying polysaccharides from ganoderma sporesZHONGKE HEALTH IND GROUP JIANGSU PHARMACEUTICAL CO LTD·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →