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

Yufei Ma — 5 Patents

Microsoft: 3 patents #13,486 of 40,388Top 35%
HCHangzhou Hikvision Digital Technology Co.: 1 patents #153 of 358Top 45%
Beijing, CN: #5,461 of 27,914 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Yufei Ma has been granted 5 US patents while listed as an inventor at Microsoft. The first was granted in 2005 and the most recent in November 2025. Yufei Ma ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Yufei Ma in Beijing, CN.

Patents per Year

Patents granted per year, 2005 to 2023Bar chart with a peak of 1 patents in 2005.peak 12005: 1 patents20052007: 1 patents20072017: 1 patents20172023: 1 patents2023

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12470149 Bidirectional DC/DC converter, control method thereof, and vehicle Yamei Li, Yongfang Zhou 2025-11-11
11706508 Light lamp assembly for multi-sensor camera Peng Xu, Zhan Ye, Caisheng Yan, Hongjie Guan, Yang Li 2023-07-18
9779303 Content-based characterization of video frame sequences Hong-Jiang Zhang 2017-10-03 $44,178,000
7302004 Content-based characterization of video frame sequences Hong-Jiang Zhang 2007-11-27 $39,016,000
6965645 Content-based characterization of video frame sequences Hong-Jiang Zhang 2005-11-15 $54,838,000