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

Quan To — 3 Patents

Microsoft: 3 patents #13,486 of 40,388Top 35%
Redmond, WA: #3,570 of 8,547 inventorsTop 45%
Washington: #28,186 of 76,902 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Quan To has been granted 3 US patents while listed as an inventor at Microsoft. The first was granted in 2007 and the most recent in December 2011. Quan To ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Quan To in Redmond, WA, US.

Patents per Year

Patents granted per year, 2007 to 2011Bar chart with a peak of 1 patents in 2007.peak 12007: 1 patents20072008: 1 patents20082011: 1 patents2011

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8072433 Ink editing architecture Andrew Silverman, Sam J. George, Shiraz Somji, Koji Kato, Brigette Krantz +4 more 2011-12-06 $11,336,000
7437714 Category partitioning markup language and tools Christopher M. Hahn 2008-10-14 $28,172,000
7262785 Ink editing architecture Andrew Silverman, Sam J. George, Shiraz Somji, Koji Kato, Brigette Krantz +4 more 2007-08-28 $25,091,000