Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Daniel O'Keeffe — 33 Patents

3C3Com: 12 patents #44 of 1,190Top 4%
Cypress Semiconductor: 11 patents #166 of 1,852Top 9%
HP: 4 patents #4,645 of 16,619Top 30%
PTParade Technologies: 3 patents #33 of 165Top 20%
3T3Com Technologies: 1 patents #24 of 53Top 50%
ADAnalog Devices: 1 patents #1,161 of 1,990Top 60%
Overall (All Time): #105,480 of 4,157,543Top 3%
33 Patents All Time
Daniel O'Keeffe has been granted 33 US patents while listed as an inventor at 3Com. The first was granted in 2003 and the most recent in September 2025. Daniel O'Keeffe ranks #105,480 of 4,157,543 US inventors in our database (top 2.5%). Patent records list Daniel O'Keeffe in Whitechurch, CA, IE.

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12425026 High performance inductive sensing all digital phase locked loop Paul Walsh, Kofi Afolabi Anthony Makinwa, Matheus Pimenta, Çagri Gürleyük, Dermot MacSweeney +1 more 2025-09-23
12416995 Triggering multi-phase transmission pattern switching to reduce emissions in touch products Revanth Bellamkonda, Roman Ogirko, Edward Gerard O'Malley, Mehmet Vural 2025-09-16
11973498 High performance inductive sensing all digital phase locked loop Paul Walsh, Kofi Afolabi Anthony Makinwa, Matheus Pimenta, Ça{hacek over (g)}ri Gürleyük, Dermot MacSweeney +1 more 2024-04-30
11853498 System, method, and apparatus for passive shielding of a capacitive sensing button Mark Healy 2023-12-26
11552635 High performance inductive sensing all digital phase locked loop Paul Walsh, Dermot MacSweeney, Kofi Afolabi Anthony Makinwa, Matheus Pimenta, Dennis R. Seguine +1 more 2023-01-10
11543908 System, method, and apparatus for passive shielding of a capacitive sensing button Mark Healy 2023-01-03
11531435 Low-emissions touch controller Viktor Kremin, Oleksandr Pirogov, Jens Weber, Yarsolav Lek, Brendan Lawton +3 more 2022-12-20
11226706 Low-emissions touch controller Viktor Kremin, Oleksandr Pirogov, Jens Weber, Yarsolav Lek, Brendan Lawton +3 more 2022-01-18
9645672 Touch sensor driver with selectable charge source Hans Klein, Edward L. Grivna 2017-05-09
9445784 Intravascular ultrasound catheter 2016-09-20 $9,227,000
9218093 Touch sensor driver with selectable charge source Hans Klein, Edward L. Grivna 2015-12-22
9195255 Reconfigurable charge pump Kevin J. Gallagher, Denis Ellis, Hans Klein 2015-11-24
8847911 Circuit to provide signal to sense array Hans Klein, Kevin J. Gallagher, Denis Ellis, Bruce E. Byrkett 2014-09-30 $9,064,000
8665911 Signature checking using deterministic finite state machines David Law, Edele O'Malley, Eugene O'Neill 2014-03-04 $11,912,000
8411062 Adaptive drive system Denis Ellis, Maksym Prybytko 2013-04-02 $6,930,000
8384467 Reconfigurable charge pump Kevin J. Gallagher, Denis Ellis, Hans Klein 2013-02-26 $3,349,000
8331404 Signature checking using deterministic finite state machines David Law, Edele O'Malley, Eugene O'Neill 2012-12-11 $5,000,000
8081630 Packet diversion in switching fabrics and multiple forwarding instructions for packets Edele O'Malley, Eugene O'Neill, Kam Choi 2011-12-20 $15,880,000
7957390 Detection of signatures in disordered message segments Peter Furlong, Eoghan Stack, Kevin Loughran 2011-06-07 $18,659,000
7480299 Rules engine for access control lists in network units Eugene O'Neill, Edele O'Malley, Kam Choi 2009-01-20 $2,677,000
7480300 Content addressable memory organized to share entries between different entities such as ports of a network unit Eugene O'Neill, Edele O'Malley, Eoin O'Brien 2009-01-20 $2,677,000
7366168 TCP control packet differential service Mark A Hughes, Kevin Loughran, Joseph N Butler 2008-04-29 $15,103,000
7362143 Circuit and method for monitoring a supply voltage and providing an indication when the supply voltage falls below a predetermined threshold 2008-04-22 $26,512,000
7349335 Packet metering in high-speed network units Michael J. Gleeson, Kevin Loughran, Christopher Walker 2008-03-25 $6,887,000
6975627 Modification of tag fields in Ethernet data packets Robin Parry, Justin A Drummond-Murray, David Law 2005-12-13 $5,987,000