Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Duos Engineering (Usa) — 5 Patents

Rank (All Time): #100,749 of 105,732Top 100%
10 inventors
5 Patents All Time

Patents per Year

Patents granted per year, 1999 to 2003Bar chart with a peak of 3 patents in 1999.peak 31999: 3 patents19992001: 1 patents20012003: 1 patents2003

Top Inventors at Duos Engineering (Usa) All Time

Showing 1–10 of 10 inventors

RankNamePatents
1 Gary M. Carraux 3
1 Gianni Arcaini 3
3 Larry Strach 2
3 William R. Gibbes 2
#5 Kaoru Ishizuka 1
#5 Nicholas Bruno 1
#5 Ronald Martin 1
#5 Ronald H. Ogletree 1
#5 Takanori Hirao 1
#5 Takemoto Yashiro 1