Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Roy J. MacKinnon — 5 Patents

QUQuantum: 2 patents #205 of 703Top 30%
STSeagate Technology: 2 patents #2,360 of 4,701Top 55%
Shrewsbury, MA: #259 of 938 inventorsTop 30%
Massachusetts: #23,696 of 88,656 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Roy J. MacKinnon has been granted 5 US patents while listed as an inventor at Quantum. The first was granted in 1995 and the most recent in September 2019. Roy J. MacKinnon ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Roy J. MacKinnon in Shrewsbury, MA, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D858784 Thermal pad Mark W. Moeller, Zongren Shang, Edwin Denecke 2019-09-03
8068309 Vibration damper for actuator assembly Larry E. Wittig, Jonathan Haynes 2011-11-29 $12,624,000
7675714 Stiffened voice coil for reduction of tracking errors in a disk drive Guven Yucesan, Larry E. Wittig, Daniel J. Dorval 2010-03-09 $37,604,000
6398143 Drive leader and take-up reel for a tape drive Chan Kim, George Saliba 2002-06-04 $9,398,000
5448120 Integrated hydrodynamic bearing/motor assembly Max Schaule 1995-09-05 $4,140,000