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

Difei Tang — 5 Patents

Microsoft: 5 patents #8,859 of 40,388Top 25%
Beijing, CN: #5,461 of 27,914 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Difei Tang has been granted 5 US patents while listed as an inventor at Microsoft. The first was granted in 2010 and the most recent in September 2020. Difei Tang ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Difei Tang in Beijing, CN.

Patents per Year

Patents granted per year, 2010 to 2020Bar chart with a peak of 1 patents in 2010.peak 12010: 1 patents20102014: 1 patents20142017: 1 patents20172018: 1 patents20182020: 1 patents2020

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10764715 Mobile device communication Sin Lew, Wei Hun Liew, Kong-Kat Wong, Sun H. Shaw, Xu Ji 2020-09-01 $133,035,000
10085129 Mobile device communication Sin Lew, Wei Hun Liew, Kong-Kat Wong, Sun H. Shaw, Xu Ji 2018-09-25 $110,824,000
9654207 Modifying mobile device operation using proximity relationships Sin Lew, Wei Hun Liew, Kong-Kat Wong, Sun H. Shaw, Xu Ji 2017-05-16 $30,274,000
8838152 Modifying mobile device operation using proximity relationships Sin Lew, Wei Hun Liew, Kong-Kat Wong, Sun H. Shaw, Xu Ji 2014-09-16 $22,186,000
7751971 Location mapping for key-point based services Eric I-Chao Chang, Kong-Kat Wong 2010-07-06 $19,949,000