Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Digital Equipment — 2,270 Patents

Rank (All Time): #375 of 105,732Top 1%
2,100 inventors
2,270 Patents All Time

Patents per Year

Patents granted per year, 1980 to 2001Bar chart with a peak of 281 patents in 1993.peak 2811980: 17 patents19801981: 8 patents1982: 12 patents1983: 13 patents19831984: 10 patents1985: 22 patents1986: 25 patents19861987: 22 patents1988: 47 patents1989: 128 patents19891990: 136 patents1991: 150 patents1992: 226 patents19921993: 281 patents1994: 278 patents1995: 184 patents19951996: 166 patents1997: 134 patents1998: 170 patents19981999: 133 patents2000: 93 patents2001: 15 patents2001

Top Inventors at Digital Equipment All Time

Showing 1–50 of 2,100 inventors

RankNamePatents
1 Michael Burrows 36
2 Richard L. Sites 32
3 Radia J. Perlman 28
#4 Michael Mallary 27
#5 Henry S. Yang 26
#6 Lih-Jyh Weng 25
#6 Richard F. Lary 25
#6 Tryggve Fossum 25
#9 William Hamburgen 24
#9 William Hawe 24
#11 Richard T. Witek 22
#12 David J. Sager 21
#12 Kadangode K. Ramakrishnan 21
#12 Simon C. Steely, Jr. 21
#15 Donald W. Smelser 20
#15 Stuart Morgan 20
#15 William F. Bruckert 20
#18 David N. Cutler 19
#18 Gilbert M. Wolrich 19
#20 Richard B. Gillett, Jr. 18
#21 Anthony G. Lauck 17
#21 Charles W. Kaufman 17
#21 Thomas D. Bissett 17
#24 Donald F. Hooper 16
#24 Douglas D. Williams 16
#24 John S. Fitch 16
#24 Robert Faranda 16
#24 Victor M. Samarov 16
#29 Butler W. Lampson 15
#29 Norman Paul Jouppi 15
#29 Ricky C. Hetherington 15
#29 Robert E. Stewart 15
#29 William D. Strecker 15
#34 Barry A. Maskas 14
#34 David Fenwick 14
#34 David B. Fite, Jr. 14
#34 Kurt M. Thaller 14
#34 Larry Seiler 14
#34 Margaret L. Hetfield 14
#34 Michael D. Sidman 14
#34 Paul M. Goodwin 14
#34 Robert C. Rose 14
#34 Robert J. Simcoe 14
#44 David A. Orbits 13
#44 David W. Thiel 13
#44 John E. Murray 13
#44 Michael Romm 13
#44 William B. Gist 13
#49 Ara Philipossian 12
#49 Barry A. Spinney 12

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