Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Marcel Chaintreau — 2 Patents

CACameca: 1 patents #10 of 23Top 45%
THThomson-Csf: 1 patents #796 of 2,054Top 40%
Orsay, FR: #135 of 431 inventorsTop 35%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Marcel Chaintreau has been granted 2 US patents while listed as an inventor at Cameca. The first was granted in 1986 and the most recent in June 1987. Marcel Chaintreau ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Marcel Chaintreau in Orsay, FR.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4672204 Mass spectrometers Georges Slodzian, Roger Dennebouy, Jean-Claude Lorin 1987-06-09 $10,000
4564758 Process and device for the ionic analysis of an insulating sample Georges Slodzian, Roger Dennebouy 1986-01-14