DQ

Dayu Qu

Apple: 8 patents #3,815 of 18,612Top 25%
PO Power-One: 3 patents #9 of 56Top 20%
Northwestern University: 1 patents #1,629 of 3,846Top 45%
Google: 1 patents #14,769 of 22,993Top 65%
Overall (All Time): #363,598 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12341508 Input device having adjustable input mechanisms Paul X. Wang, John C. DiFonzo, Zheng Gao, Chang Zhang 2025-06-24
12308645 Alternating-current power harmonic-based circuit state detection Xiaohu Zhou 2025-05-20
11500538 Keyless keyboard with force sensing and haptic feedback Alex J. Lehmann, Chang Zhang, Kenneth M. Silz, Paul X. Wang, Qiliang Xu +3 more 2022-11-15
11394385 Input device having adjustable input mechanisms Paul X. Wang, John C. DiFonzo, Zheng Gao, Chang Zhang 2022-07-19
10353485 Multifunction input device with an embedded capacitive sensing layer Chang Zhang, Golnaz Abdollahian, Paul X. Wang, Ray L. Chang, John Gabriel Buckmaster 2019-07-16
9952682 Depressible keys with decoupled electrical and mechanical functionality Chang Zhang, Ray L. Chang, John S. Camp 2018-04-24
9229500 Acoustic noise reduction in power supply inductors 2016-01-05
8151128 Computer system power source with improved light-load efficiency 2012-04-03
7915987 Acoustic noise reduction in power supply inductors 2011-03-29
7075799 Self-driven synchronous rectifier circuit 2006-07-11
7034647 Integrated magnetics for a DC-DC converter with flexible output inductor Liang Yan, Bradley M. Lehman 2006-04-25
6989612 Dynamic control of power converter output voltage slew rate Lorenzo Cividino 2006-01-24
6914348 Dynamic control of power converter output voltage slew rate Lorenzo Cividino 2005-07-05