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 26–50 of 92 patents

Patent #TitleCo-InventorsDate
D997162 Command device Chao-Lun Mai, Wang Yin Chen, Beibei Wang, Oscar Chi-Lim Au 2023-08-29
D989651 Sense device Chao-Lun Mai, Wang Yin Chen, Beibei Wang, Oscar Chi-Lim Au 2023-06-20
11639981 Method, apparatus, and system for movement tracking Chenshu Wu, Beibei Wang, Xiaolu Zeng, Oscar Chi-Lim Au 2023-05-02
11592913 Method, apparatus, and system for wireless writing tracking Sai Deepika Regani, Chenshu Wu, Beibei Wang, Min Wu, Oscar Chi-Lim Au 2023-02-28
11531087 Method, apparatus, and system for fall-down detection based on a wireless signal Yuqian Hu, Feng Zhang, Beibei Wang, Chenshu Wu, Oscar Chi-Lim Au 2022-12-20
11500056 Method, apparatus, and system for wireless tracking with graph-based particle filtering Chenshu Wu, Feng Zhang, Beibei Wang, Oscar Chi-Lim Au 2022-11-15
11500057 Method, apparatus, and system for wirelessly tracking keystrokes Yuqian Hu, Beibei Wang, Chenshu Wu, Oscar Chi-Lim Au 2022-11-15
11500058 Method, apparatus, and system for wireless proximity sensing Yuqian Hu, Beibei Wang, Muhammed Zahid Ozturk, Feng Zhang, Oscar Chi-Lim Au +3 more 2022-11-15
D967176 Display screen or portion thereof with animated graphical user interface Chao-Lun Mai, Dan Bugos, Beibei Wang, Oscar Chi-Lim Au 2022-10-18
11448727 Method, apparatus, and system for human recognition based on gait features Muhammed Zahid Ozturk, Chenshu Wu, Beibei Wang, Oscar Chi-Lim Au 2022-09-20
11448728 Method, apparatus, and system for sound sensing based on wireless signals Muhammed Zahid Ozturk, Chenshu Wu, Beibei Wang, Oscar Chi-Lim Au 2022-09-20
11444710 Method, apparatus, and system for processing and presenting life log based on a wireless signal Dan Bugos, Feng Zhang, Chun-Chia Jack Shih, Beibei Wang, Oscar Chi-Lim Au 2022-09-13
11439344 Method, apparatus, and system for wireless sleep monitoring Feng Zhang, Beibei Wang, Chenshu Wu, Min Wu, Dan Bugos +2 more 2022-09-13
11408978 Method, apparatus, and system for vital signs monitoring using high frequency wireless signals Fengyu Wang, Beibei Wang, Chenshu Wu, Feng Zhang, Oscar Chi-Lim Au 2022-08-09
11397258 Method, apparatus, and system for outdoor target tracking Xiaolu Zeng, Feng Zhang, Beibei Wang, Oscar Chi-Lim Au, Chenshu Wu 2022-07-26
11391830 Method, apparatus, and system for qualified wireless sensing Oscar Chi-Lim Au, Beibei Wang, Hung-Quoc Duc Lai, Feng Zhang, Chenshu Wu +1 more 2022-07-19
D956070 Display screen or portion thereof with animated graphical user interface Chao-Lun Mai, Dan Bugos, Beibei Wang, Oscar Chi-Lim Au 2022-06-28
11340345 Method, apparatus, and system for wireless object tracking Chenshu Wu, Feng Zhang, Beibei Wang, Oscar Chi-Lim Au 2022-05-24
11340328 Method, apparatus, and system for wireless vital monitoring using high frequency signals Fengyu Wang, Beibei Wang, Xiaolu Zeng, Chenshu Wu, Oscar Chi-Lim Au 2022-05-24
11202215 Method, apparatus, and system for providing automatic assistance based on wireless monitoring Masato Marumo, Beibei Wang, Oscar Chi-Lim Au, Hung-Quoc Duc Lai 2021-12-14
11181486 Method, apparatus, and system for wireless material sensing Chenshu Wu, Beibei Wang, Oscar Chi-Lim Au, Feng Zhang 2021-11-23
11035940 Method, apparatus, and system for wireless proximity and presence monitoring Qinyi Xu, Yi Han, Hung-Quoc Duc Lai, Beibei Wang, Oscar Chi-Lim Au 2021-06-15
11025475 Method, apparatus, server, and systems of time-reversal technology Hung-Quoc Duc Lai, Beibei Wang, Chen Chen, Oscar Chi-Lim Au 2021-06-01
11012285 Methods, apparatus, servers, and systems for vital signs detection and monitoring Chen Chen, Beibei Wang, Yi Han, Feng Zhang, Hung-Quoc Duc Lai +2 more 2021-05-18
10866302 Method, apparatus, and system for wireless inertial measurement Chenshu Wu, Feng Zhang, Yusen Fan, Beibei Wang, Oscar Chi-Lim Au 2020-12-15