{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Companies", "item": "https://www.patentleaderboard.com/companies"}, {"@type": "ListItem", "position": 3, "name": "Tandon Group", "item": "https://www.patentleaderboard.com/company/tandon-group"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
TG

Tandon Group — 22 Patents

Rank (All Time): #26,620 of 105,732Top 30%
32 inventors
22 Patents All Time

Patents per Year

Patents granted per year, 1984 to 2007Bar chart with a peak of 4 patents in 1990.peak 41984: 1 patents19841985: 2 patents1987: 1 patents19871988: 2 patents1989: 3 patents19891990: 4 patents1991: 3 patents19911992: 1 patents1993: 1 patents19931994: 2 patents2000: 1 patents20002007: 1 patents2007

Top Inventors at Tandon Group All Time

Showing 1–32 of 32 inventors

RankNamePatents
1 Robert G. Taylor 7
1 Warren L. Dalziel 7
3 Bruce Fairman 6
3 William G. Swinton 6
#5 Charles I. Peddle 5
#6 Glenn Stark 4
#7 Allen J. Larsen 3
#7 John R. Masters 3
#7 Kenneth M. Stein 3
#7 Michael T. Dugan 3
#11 David P. Moriconi 2
#11 Perry A. Bygdnes 2
#13 Ghodratollah Shakibai 1
#13 Gene Bejer 1
#13 Gary R. Yeakle 1
#13 Raymond W. Niles, Jr. 1
#13 Andrew Austin 1
#13 Charles D. Flanigan 1
#13 David B. Jepsen 1
#13 David A. Kummer 1
#13 Dennis R. Briscoe 1
#13 Donn A. Hopkins 1
#13 Gene Beijer 1
#13 James M. Donahue 1
#13 James M. Donohue 1
#13 Krishan K. Batta 1
#13 Martin J. Maiers 1
#13 Peter Sehnal 1
#13 Robert B. McCullough 1
#13 Robert T. Rumer 1
#13 Sirjang L. Tandon 1
#13 Stephen L. Deremer 1

Most Valuable Patents

All 100 most valuable US patents →