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

Andrew Mackenzie — 3 Patents

CRCree: 3 patents #288 of 639Top 50%
Cary, NC: #1,483 of 3,681 inventorsTop 45%
North Carolina: #14,708 of 45,564 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Andrew Mackenzie has been granted 3 US patents while listed as an inventor at Cree. The first was granted in 2009 and the most recent in September 2015. Andrew Mackenzie ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Andrew Mackenzie in Cary, NC, US.

Patents per Year

Patents granted per year, 2009 to 2015Bar chart with a peak of 1 patents in 2009.peak 12009: 1 patents20092010: 1 patents20102015: 1 patents2015

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9142636 Methods of fabricating nitride-based transistors with an ETCH stop layer Scott Sheppard, Scott Allen, Richard Peter Smith 2015-09-22 $2,694,000
7858460 Passivation of wide band-gap based semiconductor devices with hydrogen-free sputtered nitrides Zoltan Ring, Helmut Hagleitner, Jason Henning, Scott Allen, Scott Sheppard +3 more 2010-12-28 $17,928,000
7525122 Passivation of wide band-gap based semiconductor devices with hydrogen-free sputtered nitrides Zoltan Ring, Helmut Hagleitner, Jason Henning, Scott Allen, Scott Sheppard +3 more 2009-04-28 $29,279,000