Dayu Qu — 13 Patents at Apple | Patent Leaderboard

Dayu Qu has been granted 13 US patents while listed as an inventor at Apple. The first was granted in 2005 and the most recent in June 2025. Dayu Qu ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Dayu Qu in Cupertino, CA, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
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	$272,708,000
11394385	Input device having adjustable input mechanisms	Paul X. Wang, John C. DiFonzo, Zheng Gao, Chang Zhang	2022-07-19	$234,734,000
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	$90,112,000
9952682	Depressible keys with decoupled electrical and mechanical functionality	Chang Zhang, Ray L. Chang, John S. Camp	2018-04-24	$65,456,000
9229500	Acoustic noise reduction in power supply inductors	—	2016-01-05	$62,283,000
8151128	Computer system power source with improved light-load efficiency	—	2012-04-03	$221,850,000
7915987	Acoustic noise reduction in power supply inductors	—	2011-03-29	$71,608,000
7075799	Self-driven synchronous rectifier circuit	—	2006-07-11	$5,294,000
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	$2,937,000
6914348	Dynamic control of power converter output voltage slew rate	Lorenzo Cividino	2005-07-05	$5,589,000

Dayu Qu — 13 Patents

Issued Patents All Time

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