Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DL

Dongcui Li — 6 Patents

L'L'Oreal: 4 patents #560 of 2,221Top 30%
LMLubrizol Advanced Materials: 2 patents #86 of 282Top 35%
Metuchen, NJ: #51 of 243 inventorsTop 25%
New Jersey: #14,312 of 69,400 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Dongcui Li has been granted 6 US patents while listed as an inventor at L'Oreal. The first was granted in 2022 and the most recent in July 2025. Dongcui Li ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Dongcui Li in Metuchen, NJ, US.

Patents per Year

Patents granted per year, 2022 to 2025Bar chart with a peak of 3 patents in 2022.peak 32022: 3 patents20222023: 1 patents20232025: 2 patents2025

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12343411 Compositions and methods for treating keratinous substrates Heather LEE, Jun Liang 2025-07-01
12257330 Hair coloring compositions and methods of use Heather LEE, Jun Liang, Sarah Barrie Machover, Sangeeta Gaikwad 2025-03-25
11540983 Hair treatment compositions Jun Liang, Heather LEE 2023-01-03
11421048 Dual activated microgel Shui-Jen Raymond Hsu, Sinan Li, Robert Jacobs 2022-08-23
11337906 Hair care and conditioning compositions Heather LEE, Jun Liang 2022-05-24
11254766 Surfactant responsive emulsion polymerized micro-gels Shui-Jen Raymond Hsu, Krishnan Chari 2022-02-22