Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Philippe Gravisse — 10 Patents

CACascade: 1 patents #31 of 65Top 50%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Paris, FR: #811 of 13,709 inventorsTop 6%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Philippe Gravisse has been granted 10 US patents while listed as an inventor at Cascade. The first was granted in 1980 and the most recent in December 2016. Philippe Gravisse ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Philippe Gravisse in Paris, FR.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
9520521 Optically active coating for improving the yield of photosolar conversion Marc Schiffmann, François Le Poull 2016-12-13
6570083 Photovoltaic generators with light cascade and varying electromagnetic flux Gilles Destremau, Marc Schiffmann 2003-05-27
6256427 Process for creating several data circuits on an optical fiber and device for embodiment of the process Marc Schiffmann, Frank Rosset 2001-07-03
5134296 Countermeasure process in the field of target evaluation and laser range finding materials and devices for the implementation of said countermeasure process Marc Schiffmann 1992-07-28
5078462 Process and screen for disturbing the transmission of electromagnetic radiation particularly infra-red radiation 1992-01-07
4952443 Covering element with a light cascade effect for agricultural applications 1990-08-28
4874188 Fiduciary or security object enabling visual or optical authentification Jacques Duchateau, Maurice Perron 1989-10-17
4324946 Solar radiation concentrator 1982-04-13
4211813 Photoluminescent textile materials Jacques F. Van Schoote 1980-07-08
4208300 Photoluminescent materials and method of manufacturing same 1980-06-17