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

Em Industries — 13 Patents

Rank (All Time): #42,524 of 105,732Top 45%
15 inventors
13 Patents All Time

Patents per Year

Patents granted per year, 1998 to 2005Bar chart with a peak of 4 patents in 2000.peak 41998: 1 patents19981999: 1 patents19992000: 4 patents20002003: 3 patents20032004: 3 patents20042005: 1 patents2005

Top Inventors at Em Industries All Time

Showing 1–15 of 15 inventors

RankNamePatents
1 Ratan K. Chaudhuri 5
2 Guoyi Fu 3
3 Andrew M. Parrella 2
3 Diane Lewis 2
3 James W. Stave 2
3 Robert Hudak 2
#7 Charles M. Grill 1
#7 Dale Onisk 1
#7 Francois Marchio 1
#7 George Paul MAJEWSKI 1
#7 Isaac William Reynolds 1
#7 Kiamars Hajizadeh 1
#7 Raymond A. Kowalski 1
#7 Richard Jones 1
#7 Cynthia A. Kozakiewicz 1

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