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

Le Material Telephonique — 12 Patents

Rank (All Time): #47,708 of 105,732Top 50%
21 inventors
12 Patents All Time

Patents per Year

Patents granted per year, 1980 to 1982Bar chart with a peak of 7 patents in 1980.peak 71980: 7 patents19801981: 4 patents19811982: 1 patents1982

Top Inventors at Le Material Telephonique All Time

Showing 1–21 of 21 inventors

RankNamePatents
1 Jean-Pierre Houdard 2
1 Jean-Paul Lager 2
1 Marc Dieudonne 2
#4 Jean P. Vidonne 1
#4 Alain R. Parmentier 1
#4 Bernard M. H. DePouilly 1
#4 Bernard F. R. Guy 1
#4 Edouard Issenmann 1
#4 Hieu K. Nguyen 1
#4 Jacques M. Allain 1
#4 Jean L. Joubert 1
#4 Jean-Claude Le Dall 1
#4 Jean-Claude M. Pasquet 1
#4 Michel Lacroix 1
#4 Pierre P. A. Bougon 1
#4 Pierre Weiss 1
#4 Renee Quintin 1
#4 Claude H. Picou 1
#4 Daniel Courtel 1
#4 Claude M. Villemant 1
#4 Daniel A. Vautherin 1