Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Marcelle Regnier — 6 Patents

L'L'Oreal: 2 patents #927 of 2,221Top 45%
LSL'Oreal S.A.: 2 patents #185 of 559Top 35%
Google: 2 patents #10,599 of 22,993Top 50%
Paris, FR: #1,568 of 13,709 inventorsTop 15%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Marcelle Regnier has been granted 6 US patents while listed as an inventor at L'Oreal. The first was granted in 1999 and the most recent in September 2005. Marcelle Regnier ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Marcelle Regnier in Paris, FR.

Patents per Year

Patents granted per year, 1999 to 2005Bar chart with a peak of 2 patents in 1999.peak 21999: 2 patents19992000: 1 patents20002001: 1 patents20012002: 1 patents20022005: 1 patents2005

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6949381 Immortalized human skin cell lines and novel serum-free medium useful for the production thereof Markus Baur, Catherine Mace, Armand Malnoe, Andrea Pfeifer 2005-09-27
6423540 Immortalized human skin cell lines and novel serum-free medium useful for the production thereof Markus Baur, Catherine Mace, Armand Malnoe, Andrea Pfeifer 2002-07-23
6187325 Use of at least one extract of a rosacea of the genus Sanguisorba officinalis for promoting pigmentation of the skin and/or the body hair and/or the cranial hair Pascale Pelletier 2001-02-13
6103482 Evaluating the sensitizing/irritant/allergenic potential of a given substrate Rainer Schmidt 2000-08-15
6007827 Method of depigmenting or bleaching mammalian skin using L-2-oxothiazolidine-4-carboxylic acid Jean-Baptiste Galey, Laurent Marrot, Catherine Causse, Rainer Schmidt 1999-12-28
5861153 Skin equivalent comprising langerhans' cells Rainer Schmidt, Daniel Schmitt, Marie-Jeanne Staquet 1999-01-19