Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles Greenlee — 6 Patents

Apple: 4 patents #6,401 of 18,612Top 35%
UAUniversity Of Arizona: 2 patents #250 of 1,318Top 20%
Sunnyvale, CA: #4,229 of 14,302 inventorsTop 30%
California: #94,478 of 386,348 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Charles Greenlee has been granted 6 US patents while listed as an inventor at Apple. The first was granted in 2014 and the most recent in April 2025. Charles Greenlee ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Charles Greenlee in Sunnyvale, CA, US.

Patents per Year

Patents granted per year, 2014 to 2025Bar chart with a peak of 1 patents in 2014.peak 12014: 1 patents20142019: 1 patents20192020: 1 patents20202021: 1 patents20212024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12267647 Ultrasonic proximity sensors, and related systems and methods 2025-04-01
12021181 System and method for reducing electrical interference of a battery cell Katherine I. Pregler, Kyle Tse, Samantha K. Young, Jason W. Brinsfield, Mei Zhang +7 more 2024-06-25 $209,077,000
10932062 Ultrasonic proximity sensors, and related systems and methods 2021-02-23 $266,795,000
10871555 Ultrasonic sensor Gregory E. Rogers 2020-12-22 $332,226,000
10241199 Ultrasonic/photoacoustic imaging devices and methods Russell S. Witte, Leonardo Gabriel Montilla, Ragnar Olafsson, Charles M. Ingram, Zhaohui Wang +1 more 2019-03-26
8879352 Ultrasonic/photoacoustic imaging devices and methods Russell S. Witte, Leonardo Gabriel Montilla, Ragnar Olafsson, Charles M. Ingram, Zhaohui Wang +1 more 2014-11-04