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

Qian Xu

TLThomson Licensing: 32 patents #43 of 2,575Top 2%
IHInterdigital Vc Holdings: 27 patents #14 of 187Top 8%
ISInterdigital Madison Patent Holdings, Sas: 10 patents #13 of 198Top 7%
ASAgere Systems: 7 patents #178 of 1,849Top 10%
LSLsi: 2 patents #602 of 1,740Top 35%
TSTexas A&M University System: 2 patents #346 of 1,706Top 25%
Intel: 2 patents #13,213 of 30,777Top 45%
Folsom, CA: #15 of 1,500 inventorsTop 1%
California: #2,909 of 386,348 inventorsTop 1%
Overall (All Time): #18,995 of 4,157,543Top 1%
87 Patents All Time

Issued Patents All Time

Showing 51–75 of 87 patents

Patent #TitleCo-InventorsDate
9793921 Methods and apparatus for unified significance map coding Xiaoan Lu, Joel Sole, Peng Yin, Yunfei Zheng 2017-10-17
9749631 Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters Xiaoan Lu, Joel Sole, Peng Yin, Yunfei Zheng 2017-08-29
9743081 Methods and apparatus for collaborative partition coding for region based filters Joel Sole, Yunfei Zheng, Peng Yin, Xiaoan Lu 2017-08-22
9736500 Methods and apparatus for spatially varying residue coding Joel Sole, Xiaoan Lu, Yunfei Zheng, Peng Yin 2017-08-15
9661336 Methods and apparatus for video encoding and decoding binary sets using adaptive tree selection Joel Sole, Peng Yin, Yunfei Zheng, Xiaoan Lu 2017-05-23
9654138 Methods and apparatus for explicit updates for symbol probabilities of an entropy encoder or decoder Joel Sole, Xiaoan Lu, Peng Yin, Yunfei Zheng 2017-05-16
9628788 Methods and apparatus for implicit adaptive motion vector predictor selection for video encoding and decoding Yunfei Zheng, Peng Yin, Jole Sole, Xiaoan Lu 2017-04-18
9621925 Methods and apparatus for video encoding and decoding binary sets using adaptive tree selection Joel Sole, Peng Yin, Yunfei Zheng, Xiaoan Lu 2017-04-11
9615108 Methods and apparatus for adaptive probability update for non-coded syntax Joel Sole, Liwei Guo, Peng Yin, Yunfei Zheng, Xiaoan Lu 2017-04-04
9516341 Methods and apparatus for reduced complexity template matching prediction for video encoding and decoding Yunfei Zheng, Peng Yin, Xiaoan Lu, Joel Sole 2016-12-06
9516328 Method and apparatus for rate control accuracy in video encoding Yali Liu, Xiaoan Lu, Cristina Gomila 2016-12-06
9510009 Methods and apparatus for adaptive motion vector candidate ordering for video encoding and decoding Liwei Guo, Peng Yin, Yunfei Zheng, Joel Sole, Xiaoan Lu 2016-11-29
9503743 Methods and apparatus for uni-prediction of self-derivation of motion estimation Liwei Guo, Peng Yin, Yunfei Zheng, Xiaoan Lu, Joel Sole 2016-11-22
9357221 Methods and apparatus for adaptive transform selection for video encoding and decoding Xiaoan Lu, Joel Sole, Peng Yin, Yunfei Zheng 2016-05-31
9326003 Methods and apparatus for video encoding and decoding using adaptive geometric partitioning Liwei Guo, Peng Yin, Joel Sole, Yunfei Zheng, Xiaoan Lu 2016-04-26
9294784 Method and apparatus for region-based filter parameter selection for de-artifact filtering Yunfei Zheng, Joel Sole, Peng Yin, Xiaoan Lu 2016-03-22
9288494 Methods and apparatus for implicit and semi-implicit intra mode signaling for video encoders and decoders Joel Sole, Yunfei Zheng, Xiaoan Lu, Peng Yin 2016-03-15
9277227 Methods and apparatus for DC intra prediction mode for video encoding and decoding Xiaoan Lu, Peng Yin, Yunfei Zheng, Joel Sole 2016-03-01
9277245 Methods and apparatus for constrained transforms for video coding and decoding having transform selection Joel Sole, Xiaoan Lu, Peng Yin, Yunfei Zheng 2016-03-01
9253495 Methods and apparatus for improved chroma transforms for inter frames in video encoding and decoding Xiaoan Lu, Peng Yin, Joel Sole, Yunfei Zheng 2016-02-02
9235774 Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters Xiaoan Lu, Joel Sole, Peng Yin, Yunfei Zheng 2016-01-12
9167270 Methods and apparatus for efficient adaptive filtering for video encoders and decoders Weiyao Lin, Yunfei Zheng, Peng Yin, Joel Sole, Xiaoan Lu 2015-10-20
9154798 Methods and apparatus for efficient video encoding and decoding of intra prediction mode Liwei Guo, Peng Yin, Yunfei Zheng, Xiaoan Lu, Joel Sole 2015-10-06
9020287 Methods and apparatus for filter parameter determination and selection responsive to variable transforms in sparsity-based de-artifact filtering Yunfei Zheng, Joel Sole, Peng Yin, Xiaoan Lu 2015-04-28
9001889 Methods and apparatus for improved quantization rounding offset adjustment for video encoding and decoding Xiaoan Lu, Cristina Gomila 2015-04-07