LexDanaLexDanabeta
Inventor

Daniel M O'Keeffe

Inventor
Ballyhooly, IE

Overview

25→
Patents
2003–2017
Patent span
Electricity
Primary field (CPC H)

Patents· 25 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication42%
G06FElectric digital data processing18%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems11%
H03KPulse technique5%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use5%
A61BDiagnosis3%
A61MDevices for introducing media into, or onto, the body3%
G01RMeasuring electric variables3%
G05FSystems for regulating electric or magnetic variables3%
H04JMultiplex communication3%
PatentTitleYear
9,645,672'Touch sensor driver with selectable charge source'20179,445,784'Intravascular ultrasound catheter'20169,218,093'Touch sensor driver with selectable charge source'20159,195,255'Reconfigurable charge pump'20158,847,911'Circuit to provide signal to sense array'20148,665,911'Signature checking using deterministic finite state machines'20148,411,062'Adaptive drive system'20138,384,467'Reconfigurable charge pump'20138,331,404'Signature checking using deterministic finite state machines'20128,081,630'Packet diversion in switching fabrics and multiple forwarding instructions for packets'20117,957,390'Detection of signatures in disordered message segments'20117,480,299'Rules engine for access control lists in network units'20097,480,300'Content addressable memory organized to share entries between different entities such as ports of a network unit'20097,366,168'TCP control packet differential service'20087,362,143'Circuit and method for monitoring a supply voltage and providing an indication when the supply voltage falls below a predetermined threshold'20087,349,335'Packet metering in high-speed network units'20086,975,627'Modification of tag fields in Ethernet data packets'20056,801,527'Stackable network unit including registers for identifying stack members and trunk ports'20046,801,950'Stackable network unit including register for identifying trunk connection status of stacked units'20046,785,286'Port mirroring across a trunked stack of multi-port communication devices'20046,763,348'Method and apparatus for searching databases employing a trie search structure'20046,762,995'Network switch including hysteresis in signalling fullness of transmit queues'20046,757,279'Method for synchronizing databases in stacked network units'20046,683,875'Network switch including restriction of source address look-ups based on receive queue length'20046,611,520'Inhibition of underrun in network switches and the like for packet-based communication systems'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2009Patents assigned to 3COM CORP (12)· patent assignee history
2003–2008Based in Ballyhooly, IE· patent location history
2008–2017Based in Whitechurch, IE· patent location history
2008–2014Based in Dublin, IE· patent location history
2013–2016Patents assigned to O'KEEFFE DANIEL (5)· patent assignee history
2013–2014Patents assigned to CYPRESS SEMICONDUCTOR CORP (3)· patent assignee history
2013–2014Patents assigned to ELLIS DENIS (3)· patent assignee history
2013–2014Patents assigned to GALLAGHER KEVIN (2)· patent assignee history
2016Based in San Francisco, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
3COM CORP122003–2009
O'KEEFFE DANIELself52013–2016
CYPRESS SEMICONDUCTOR CORP32013–2014
ELLIS DENIS32013–2014
GALLAGHER KEVIN22013–2014
Locations
LocationPatentsSpan
Ballyhooly, IE102003–2008
Whitechurch, IE72008–2017
Dublin, IE72008–2014
San Francisco, California, US12016