Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Michel Chau — 2 Patents

UNUnknown: 3 patents #7,366 of 83,584Top 9%
IPInstitut Francais Du Petrole: 1 patents #889 of 1,676Top 55%
Rueil-Malmaison, FR: #427 of 1,044 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Michel Chau has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 2002 and the most recent in October 2022. Michel Chau ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Michel Chau in Rueil-Malmaison, FR.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11478723 Apparatus for generating three-dimensional visual effects, and smoke-generating device for such an apparatus 2022-10-25
6410811 Selective hydrogenation process comprising partial separation of hydrogen by a membrane upstream of a reactive column Michel Derrien, Alain Methivier 2002-06-25