Tu Luan — 3 Patents at L'Oreal

Tu Luan has been granted 3 US patents while listed as an inventor at L'Oreal. The first was granted in 2020 and the most recent in July 2025. Tu Luan ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Tu Luan in Shanghai, CN.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
12370135	Anhydrous composition for caring for and/or making up keratin materials	Di Wu, Chunyan LEI, Saijuan NI	2025-07-29
11020339	Composition in form of an emulsion	Yan Wang	2021-06-01
10653588	Composition for protecting the keratin materials from sun	Yan Wang	2020-05-19

Tu Luan — 3 Patents

Issued Patents All Time

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