Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HC

Hua Cai

Microsoft: 17 patents #2,200 of 40,388Top 6%
Huawei: 17 patents #803 of 15,535Top 6%
CCChina Unionpay Co.: 7 patents #11 of 235Top 5%
University of California: 5 patents #1,636 of 18,278Top 9%
ALAlibaba: 4 patents #274 of 2,313Top 15%
CCChengdu Image Design Technology Co.: 3 patents #1 of 28Top 4%
LLLenovo (Beijing) Limited: 2 patents #353 of 1,308Top 30%
SUSoochow University: 1 patents #224 of 747Top 30%
CCChina Building Materials Academy Co.: 1 patents #21 of 95Top 25%
XCXiamen Eco Lighting Co.: 1 patents #120 of 215Top 60%
BSBeijing Lenovo Software: 1 patents #181 of 493Top 40%
Shanghai, CA: #73 of 801 inventorsTop 10%
Overall (All Time): #35,208 of 4,157,543Top 1%
63 Patents All Time

Issued Patents All Time

Showing 51–63 of 63 patents

Patent #TitleCo-InventorsDate
7903894 Color image coding using inter-color correlation Jiang Li 2011-03-08
7860165 Framework for fine-granular computational-complexity scalable motion estimation Jiang Li 2010-12-28
7822280 Epipolar geometry-based motion estimation for multi-view image and video coding Jian Lou, Jiang Li 2010-10-26
7733808 Peer-to-peer aided live video sharing system Yusuo Hu, Chong Luo, Jian Tang, Jian Lou, Jiang Li 2010-06-08
7671893 System and method for interactive multi-view video Jiang Li, Yihua Xu, Jianguang Lou, Shipeng Li, Jian Wang +1 more 2010-03-02
7629904 Image coding with scalable context quantization Jiang Li 2009-12-08
7587092 Layer-based context quantization with context partitioning Jiang Li 2009-09-08
7583849 Lossless image compression with tree coding of magnitude levels Jiang Li 2009-09-01
7512261 System and method for calibrating multiple cameras without employing a pattern by inter-image homography Jianguang Lou, Jiang Li 2009-03-31
7444664 Multi-view video format Jianguang Lou, Jiang Li 2008-10-28
7433946 Mechanism for transmitting elementary streams in a broadcast environment Guobin Shen, Shipeng Li, Regis J. Crinon, Ze-wen Zhang, Guangping Gao +2 more 2008-10-07
7283589 Packetization of FGS/PFGS video bitstreams Guobin Shen, Zixiang Xiong, Shipeng Li, Bing Zeng 2007-10-16
7245241 Image coding with scalable context quantization Jiang Li 2007-07-17