Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Dipti Ranganathan — 4 Patents

ATAT&T: 4 patents #4,409 of 18,772Top 25%
Dallas, TX: #1,907 of 7,543 inventorsTop 30%
Texas: #33,915 of 125,132 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Dipti Ranganathan has been granted 4 US patents while listed as an inventor at AT&T. The first was granted in 2006 and the most recent in August 2011. Dipti Ranganathan ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Dipti Ranganathan in Dallas, TX, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7996527 System, method and apparatus for playing a sound identifier based on connection status Ellen Isaacs, Alan Walendowski 2011-08-09 $9,435,000
7805487 System, method and apparatus for communicating via instant messaging Ellen Isaacs, Alan Walendowski 2010-09-28 $23,889,000
7584257 System, method and apparatus for communicating via instant messaging Ellen Isaacs, Alan Walendowski 2009-09-01 $49,247,000
7043530 System, method and apparatus for communicating via instant messaging Ellen Isaacs, Alan Walendowski 2006-05-09 $77,223,000