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

Bruce E. Hofer — 10 Patents

Tektronix: 6 patents #180 of 1,698Top 15%
APAudio Precision: 3 patents #3 of 11Top 30%
Beaverton, OR: #595 of 3,140 inventorsTop 20%
Oregon: #4,318 of 28,073 inventorsTop 20%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Bruce E. Hofer has been granted 10 US patents while listed as an inventor at Tektronix. The first was granted in 1981 and the most recent in September 2007. Bruce E. Hofer ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Bruce E. Hofer in Beaverton, OR, US.

Patents per Year

Patents granted per year, 1981 to 2007Bar chart with a peak of 2 patents in 1981.peak 21981: 2 patents19811982: 1 patents19821983: 1 patents19831985: 1 patents19851986: 2 patents19861989: 1 patents19891994: 1 patents19942007: 1 patents2007

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7268711 Method and circuit for amplitude compensation in a digital-to-analog converter 2007-09-11
5336989 AC mains test apparatus and method 1994-08-09
4811395 Two-tone test signal method for BTSC calibration Edward J. Cleary, Jr. 1989-03-07 $999,000
4614914 Low-distortion transformer-coupled circuit 1986-09-30
4563652 Dual-stage filter with feedback 1986-01-07
4560958 State variable oscillator having improved rejection of leveler-induced distortion 1985-12-24 $834,000
4382233 Multiple-feedback path filter 1983-05-03 $4,406,000
4344029 Automatic IM distortion test selector Richard C. Cabot 1982-08-10 $4,384,000
4302738 Noise rejection circuitry for a frequency discriminator Richard C. Cabot 1981-11-24 $5,456,000
4296381 Distortion reduction circuit for an inverting feedback amplifier 1981-10-20 $4,968,000