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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Durga Mannaru — 4 Patents

IBM: 4 patents #21,783 of 70,183Top 35%
Raleigh, NC: #1,922 of 6,378 inventorsTop 35%
North Carolina: #12,022 of 45,564 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Durga Mannaru has been granted 4 US patents while listed as an inventor at IBM. The first was granted in 2007 and the most recent in January 2014. Durga Mannaru ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Durga Mannaru in Raleigh, NC, US.

Patents per Year

Patents granted per year, 2007 to 2014Bar chart with a peak of 2 patents in 2007.peak 22007: 2 patents20072010: 1 patents20102014: 1 patents2014

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8635283 Tagging the seen/not-seen status of a real time message Vivekanand Vellanki 2014-01-21 $5,923,000
7707374 Incremental data storage method, apparatus, interface, and system Richard V. Kisley, John Michael Lake 2010-04-27 $6,715,000
7308476 Method and system for participant automatic re-invite and updating during conferencing Vivekanand Vellanki 2007-12-11 $7,826,000
7171538 Incremental data storage method, apparatus, interface, and system Richard V. Kisley, John Michael Lake 2007-01-30 $4,520,000