Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Henri Samain — 168 Patents

L'L'Oreal: 124 patents #4 of 2,221Top 1%
LSL'Oreal S.A.: 35 patents #6 of 559Top 2%
L'L'Oréal: 5 patents #12 of 67Top 20%
SESociete Nationale Des Poudres Et Explosifs: 1 patents #87 of 243Top 40%
Chevilly-Larue, FR: #1 of 61 inventorsTop 2%
Overall (All Time): #4,910 of 4,157,543Top 1%
168 Patents All Time
Henri Samain has been granted 168 US patents while listed as an inventor at L'Oreal. The first was granted in 1992 and the most recent in December 2025. Henri Samain ranks #4,910 of 4,157,543 US inventors in our database (top 0.12%). Patent records list Henri Samain in Chevilly-Larue, FR.

Issued Patents All Time

Showing 1–25 of 168 patents

Patent #TitleCo-InventorsDate
12502341 Method for the cosmetic treatment of keratin materials employing a rare earth metal composition and an alkaline composition Valerie Jeanne-Rose 2025-12-23
12239726 Process for dyeing or bleaching keratin fibers using particular amino acids in high concentration Mickaël Agach, Simon DONCK, Ambre Souvirou, Leïla Hercouet 2025-03-04
12239209 System for dispensing a cosmetic product Franck Giron, Guillaume Kergosien 2025-03-04
12232593 Method for shaping an applicator for applying a cosmetic composition Franck Giron 2025-02-25
12201207 Hair treatment method Jean-Luc Robinault 2025-01-21
12089679 Cosmetic treatment method Jean-Baptiste Blanc, Franck Giron, Christèle Gevrey 2024-09-17
12053072 Hair treatment process 2024-08-06
12011075 Process for manufacturing a false nail Franck Giron, Pierre DUCASTIN 2024-06-18
12004630 System for dispensing a cosmetic product Franck Giron, Guillaume Kergosien 2024-06-11
11998104 System for dispensing a cosmetic product Franck Giron, Guillaume Kergosien 2024-06-04
11980277 System for dispensing a cosmetic product Franck Giron, Guillaume Kergosien 2024-05-14
11974651 System for dispensing a cosmetic product Franck Giron, Guillaume Kergosien 2024-05-07
11963567 Cosmetic treatment method and assembly Shinsuke Okuda, Makoto Kawamoto, Jean-Baptiste Blanc, Alexis Leonard, Franck Giron +2 more 2024-04-23
11844414 Method for manufacturing a personalized applicator for the application of a cosmetic composition Jean-Baptiste Blanc, Franck Giron, Chrystele Gevrey 2023-12-19
11647825 Method for manufacturing a personalized applicator for the application of a cosmetic composition Jean-Baptiste Blanc, Franck Giron, Chrystele Gevrey, Nadia Gardel 2023-05-16
11559127 System for carrying out a treatment of the head of hair, to be connected to at least one water inlet 2023-01-24
11533974 Hair treatment system Jean-Luc Robinault 2022-12-27
11536012 System for treating the hair, to be connected to a water inlet 2022-12-27
11504317 Process for curl-relaxing and/or straightening keratin fibres, using reducing agents and polar organic solvents, and straightening kit Virginie Burckbuchler 2022-11-22
11445801 Transfer device for making up keratin materials Franck Giron, Chrystele Gevrey 2022-09-20
11399586 Cosmetic treatment method Jean-Baptiste Blanc, Franck Giron 2022-08-02
11395794 Process for treating keratin fibres using an aqueous composition comprising a combination of particular alkoxysilanes Nicolas Daubresse, Julien Cabourg 2022-07-26
11369177 Hair treatment process and system Jean-Luc Robinault 2022-06-28
11291287 System for dispensing a cosmetic product Franck Giron, Guillaume Kergosien 2022-04-05
11272777 Transfer device for making up keratin materials Franck Giron 2022-03-15