Patrick O'Neil — 9 Patents at Microsoft

Patrick O'Neil has been granted 9 US patents while listed as an inventor at Microsoft. The first was granted in 1993 and the most recent in November 2025. Patrick O'Neil ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Patrick O'Neil in Lexington, MA, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12463739	Gateway timing redundancy architecture and methods in a PTP synchronized communication system	Nimesh Ambeskar, Jayant Ramakrishnan, Varsha Gorrepati, Santhosh Joshi	2025-11-04
12457034	Enhanced clock frequency control	Nimesh Ambeskar	2025-10-28
12439351	Communication systems and methods for synchronizing clock timing and frequency	Nimesh Ambeskar, Jack Lundstedt, Yogesh Sethi, Tyler HORWAT	2025-10-07
11436172	Data frame interface network device	Dan Hantz, Nimesh Ambeskar, Yogesh Sethi, Vivek Gupta	2022-09-06	$2,415,000
7493352	System and method for relational representation of hierarchical data	Elizabeth O'Neil, Shankar Pal, Gideon Schaller, Istvan Cseri, Jose A. Blakeley +3 more	2009-02-17	$27,209,000
7421445	System and method for relational representation of hierarchical data	Elizabeth O'Neil, Shankar Pal, Gideon Schaller, Istvan Cseri, Jose A. Blakeley +3 more	2008-09-02	$32,109,000
7155442	Compressed normalized character comparison with inversion	Peter A. Carlin, Jun Fang, Elizabeth O'Neil	2006-12-26	$33,911,000
6889226	System and method for relational representation of hierarchical data	Elizabeth O'Neil, Shankar Pal, Gideon Schaller, Istvan Cseri, Jose A. Blakeley +3 more	2005-05-03	$59,421,000
5204958	System and method for efficiently indexing and storing a large database with high data insertion frequency	Edward C. Cheng, Dieter Gawlick	1993-04-20	$8,579,000

Patrick O'Neil — 9 Patents

Issued Patents All Time

Patent Widget