Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DS

D'Elf Atochem S.A. — 5 Patents

Rank (All Time): #102,193 of 105,732Top 100%
13 inventors
5 Patents All Time

Patents per Year

Patents granted per year, 1995 to 1997Bar chart with a peak of 3 patents in 1995.peak 31995: 3 patents19951996: 1 patents19961997: 1 patents1997

Top Inventors at D'Elf Atochem S.A. All Time

Showing 1–13 of 13 inventors

RankNamePatents
1 Andre Lantz 2
1 Jean-Michel Galland 2
3 Bernard Cheminal 1
3 Dominique Rouzies 1
3 Emmanuel Guiraud 1
3 Eric Lacroix 1
3 François Garcia 1
3 Jean-Pierre Schirmann 1
3 Jean-Claude Tanguy 1
3 Patrick Lambert 1
3 Rene Bertocchio 1
3 Sylvie Macaudiere 1
3 Rene Perdriau 1