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

Leif Claesson — 3 Patents

PLPlantronics: 2 patents #168 of 433Top 40%
Berkeley, CA: #1,440 of 3,731 inventorsTop 40%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Leif Claesson has been granted 3 US patents while listed as an inventor at Plantronics. The first was granted in 2005 and the most recent in January 2013. Leif Claesson ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Leif Claesson in Berkeley, CA, US.

Patents per Year

Patents granted per year, 2005 to 2013Bar chart with a peak of 1 patents in 2005.peak 12005: 1 patents20052008: 1 patents20082013: 1 patents2013

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8355909 Hybrid permanent/reversible dynamic range control system Timothy J. Carroll 2013-01-15
7433462 Techniques for improving telephone audio quality Richard Hodges, David Roberts, Keith A. McMillen, Sreevathsa G. Sreenivasa Reddy, Keith Edwards 2008-10-07 $10,041,000
6940987 Techniques for improving audio clarity and intelligibility at reduced bit rates over a digital network 2005-09-06