Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Philip McKenzie — 8 Patents

CCCompaq Computer: 6 patents #179 of 1,604Top 15%
A(Alpha And Omega Semiconductor (Cayman): 1 patents #65 of 99Top 70%
Comcast: 1 patents #2,448 of 4,447Top 60%
Houston, TX: #2,918 of 21,073 inventorsTop 15%
Texas: #19,067 of 125,132 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Philip McKenzie has been granted 8 US patents while listed as an inventor at Compaq Computer. The first was granted in 1994 and the most recent in December 2022. Philip McKenzie ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Philip McKenzie in Houston, TX, US.

Patents per Year

Patents granted per year, 1994 to 2022Bar chart with a peak of 2 patents in 1994.peak 21994: 2 patents19941996: 1 patents19961998: 2 patents19981999: 1 patents19992010: 1 patents20102022: 1 patents2022

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11522448 Autonomous current sharing for power stages 2022-12-06
7843145 System and method for power line carrier communication using high frequency tone bursts James Koehler 2010-11-30 $134,000
6003139 Computer system including power supply circuit with controlled output power 1999-12-14 $106,758,000
5801522 Power limit circuit for computer system 1998-09-01 $134,808,000
5712754 Hot plug protection system Chi Kim Sides, Barry S. Basile 1998-01-27 $154,960,000
5534889 Circuit for controlling bias voltage used to regulate contrast in a display panel Daniel B. Reents, Patrick R. Cooper, James H. Garrett 1996-07-09 $39,423,000
5336985 Tapped inductor slave regulating circuit 1994-08-09 $69,857,000
5309132 Technique for trimming photoresistors and trimmed photoresistors Nathan Mitchell 1994-05-03 $39,296,000