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

K. J. Ray Liu

OWOrigin Wireless: 63 patents #1 of 38Top 3%
OWOrigin Research Wireless: 20 patents #3 of 27Top 15%
UMUniversity Of Maryland: 4 patents #30 of 857Top 4%
UPUniversity Of Maryland, College Park: 4 patents #69 of 1,056Top 7%
GUGeorge Mason University: 1 patents #49 of 157Top 35%
Potomac, MD: #5 of 998 inventorsTop 1%
Maryland: #58 of 35,612 inventorsTop 1%
Overall (All Time): #17,004 of 4,157,543Top 1%
92 Patents All Time

Issued Patents All Time

Showing 51–75 of 92 patents

Patent #TitleCo-InventorsDate
10845463 Method, apparatus, and system for wireless object scanning Feng Zhang, Chenshu Wu, Beibei Wang, Oscar Chi-Lim Au 2020-11-24
10833912 Methods, devices, servers, apparatus, and systems for wireless internet of things applications Oscar Chi-Lim Au, Masato Marumo, Beibei Wang, Hung-Quoc Duc Lai, Chen Chen +7 more 2020-11-10
10742475 Method, apparatus, and system for object tracking sensing using broadcasting Hung-Quoc Duc Lai, David N. Claffey, Chen Chen, Feng Zhang, Chenshu Wu +3 more 2020-08-11
10735298 Method, apparatus, server and system for vital sign detection and monitoring Chen Chen, Feng Zhang, Qinyi Xu, Beibei Wang, Chenshu Wu +9 more 2020-08-04
10609711 Time-reversal scalability for high network densification Hang Ma, Yan Chen, Feng Han, Zhung-Han Wu, Zoltan Safar 2020-03-31
10495725 Method, apparatus, server and system for real-time vital sign detection and monitoring Feng Zhang, Chen Chen, Qinyi Xu, Beibei Wang, Chenshu Wu +9 more 2019-12-03
10476730 Methods, apparatus, servers, and systems for human identification based on human radio biometric information Qinyi Xu, Yan Chen, Beibei Wang 2019-11-12
10447094 Method, system, and apparatus for wireless power transmission based on power waveforming Meng-Lin Ku, Yi Han, Hung-Quoc Duc Lai, Yan Chen, Beibei Wang 2019-10-15
10440705 Method, apparatus, server, and systems of time-reversal technology Hung-Quoc Duc Lai, Beibei Wang, Qinyi Xu, Chen Chen, Feng Zhang +4 more 2019-10-08
10397039 Apparatus, systems and methods for fall-down detection based on a wireless signal Feng Zhang, Chen Chen, Qinyi Xu, Beibei Wang, Chenshu Wu +9 more 2019-08-27
10380881 Method, apparatus, and systems for wireless event detection and monitoring Qinyi Xu, Feng Zhang, Chen Chen, Beibei Wang, Zoltan Safar +2 more 2019-08-13
10374863 Apparatus, systems and methods for event recognition based on a wireless signal Qinyi Xu, Feng Zhang, Chen Chen, Beibei Wang, Chenshu Wu +9 more 2019-08-06
10327213 Time-reversal communication systems Yi Han, Yu-Han Yang, Yan Chen, Hang Ma, Beibei Wang +4 more 2019-06-18
10291460 Method, apparatus, and system for wireless motion monitoring Feng Zhang, Chen Chen, Beibei Wang, Hung-Quoc Duc Lai, Oscar Chi-Lim Au 2019-05-14
10270642 Method, apparatus, and system for object tracking and navigation Feng Zhang, Hung-Quoc Duc Lai, Chun-I Chen, Chau-Wai Wong, Beibei Wang +3 more 2019-04-23
10168414 Wireless signals and techniques for determining locations of objects in multi-path environments Yan Chen, Zhung-Han Wu, Yi Han 2019-01-01
10129862 Methods, devices, apparatus, and systems for medium access control in wireless communication systems utilizing spatial focusing effect Zhung-Han Wu, Beibei Wang, Chunxiao Jiang, Zoltan Safar 2018-11-13
10122409 Systems and methods for time-reversal division multiple access wireless broadband communications Feng Han, Yu-Han Yang, Beibei Wang, Yongle Wu 2018-11-06
10014982 Time-reversal technologies for hybrid wireless networks Yan Chen, Hang Ma, Yi Han, Hung-Quoc Duc Lai 2018-07-03
10009148 Time-reversal technologies for hybrid wireless networks Yan Chen, Hang Ma, Yi Han, Hung-Quoc Duc Lai 2018-06-26
9900794 Time-reversal wireless systems having asymmetric architecture Feng Han, Yan Chen 2018-02-20
9887864 Methods, devices and systems of heterogeneous time-reversal paradigm enabling direct connectivity in internet of things Yi Han, Yan Chen, Beibei Wang 2018-02-06
9882675 Time-reversal wireless systems having asymmetric architecture Feng Han 2018-01-30
9883511 Waveform design for time-reversal systems Yu-Han Yang, Beibei Wang 2018-01-30
9825838 Handshaking protocol for time-reversal system Hang Ma, Yi Han, Yan Chen, Zoltan Safar, Feng Han 2017-11-21