Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Frederic Caldwell — 3 Patents

KEKnowles Electronics: 2 patents #131 of 325Top 45%
SISynaptics Incorporated: 1 patents #354 of 606Top 60%
San Jose, CA: #14,697 of 32,062 inventorsTop 50%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Frederic Caldwell has been granted 3 US patents while listed as an inventor at Knowles Electronics. The first was granted in 2017 and the most recent in July 2020. Frederic Caldwell ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Frederic Caldwell in San Jose, CA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10720166 Voice biometrics systems and methods 2020-07-21 $10,875,000
9799330 Multi-sourced noise suppression Sridhar Krishna Nemala, John Woodruff, Tony S. Verma 2017-10-24 $2,851,000
9781106 Method for modeling user possession of mobile device for user authentication framework Deborah Kathleen Vitus, Carlo Murgia, James V. Steele 2017-10-03 $2,789,000