Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

David Öhmann — 2 Patents

Tektronix: 1 patents #823 of 1,698Top 50%
Apple: 1 patents #12,397 of 18,612Top 70%
Grass Valley, CA: #122 of 334 inventorsTop 40%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David Öhmann has been granted 2 US patents while listed as an inventor at Apple. The first was granted in 1997 and the most recent in October 2023. David Öhmann ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David Öhmann in Grass Valley, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11792881 Frequency offset delta tracking for NR connected mode discontinuous reception carrier aggregation Hongbo Yan, Amir Farajidana, Dietmar Gradl, Sami M. Almalfouh, Shengshan Cui 2023-10-17 $170,456,000
5619198 Number format conversion apparatus for signal processing Raymond Blackham, Jeffrey J. Walker 1997-04-08 $5,384,000