Growing community of inventors

Raleigh, NC, United States of America

David Carroll Challener

Average Co-Inventor Count = 3.06

ph-index = 21

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 1,880

David Carroll ChallenerRandall Scott Springfield (44 patents)David Carroll ChallenerHoward J Locker (34 patents)David Carroll ChallenerDaryl Carvis Cromer (25 patents)David Carroll ChallenerRod D Waltermann (15 patents)David Carroll ChallenerMark Charles Davis (14 patents)David Carroll ChallenerJames Peter Ward (12 patents)David Carroll ChallenerJames Patrick Hoff (10 patents)David Carroll ChallenerRichard Alan Dayan (8 patents)David Carroll ChallenerSteven Dale Goodman (8 patents)David Carroll ChallenerDavid R Safford (7 patents)David Carroll ChallenerHernando Ovies (7 patents)David Carroll ChallenerJohn Peter Karidis (6 patents)David Carroll ChallenerJustin Tyler Dubs (6 patents)David Carroll ChallenerJoseph Michael Pennisi (6 patents)David Carroll ChallenerRyan Charles Catherman (6 patents)David Carroll ChallenerJames Joseph Thrasher (6 patents)David Carroll ChallenerRichard Wayne Cheston (5 patents)David Carroll ChallenerMichael Terrell Vanover (5 patents)David Carroll ChallenerJames Stephen Rutledge (5 patents)David Carroll ChallenerDavid Rivera (5 patents)David Carroll ChallenerPalmer E Newman (5 patents)David Carroll ChallenerBarry Douglas Atkins (5 patents)David Carroll ChallenerSeiichi Kawano (4 patents)David Carroll ChallenerJennifer Greenwood Zawacki (4 patents)David Carroll ChallenerDhruv Manmohandas Desai (4 patents)David Carroll ChallenerLeendert Peter Van Doorn (4 patents)David Carroll ChallenerRichard Allen Kelley (3 patents)David Carroll ChallenerPhilip Lee Childs (3 patents)David Carroll ChallenerJulie Anne Morris (3 patents)David Carroll ChallenerSean Michael Ulrich (3 patents)David Carroll ChallenerJinping Yang (3 patents)David Carroll ChallenerAndy Lloyd Trotter (3 patents)David Carroll ChallenerFrank P Novak (3 patents)David Carroll ChallenerJoseph P McGovern (3 patents)David Carroll ChallenerPeter Geoffrey Gaucher (3 patents)David Carroll ChallenerNorman Arthur Dion, Ii (3 patents)David Carroll ChallenerNathan J Peterson (2 patents)David Carroll ChallenerArnold S Weksler (2 patents)David Carroll ChallenerDavid Frederick Bantz (2 patents)David Carroll ChallenerSteven James Mastrianni (2 patents)David Carroll ChallenerTodd Weston Arnold (2 patents)David Carroll ChallenerJoseph Wayne Freeman (2 patents)David Carroll ChallenerSteven A Bade (2 patents)David Carroll ChallenerMikio Hagiwara (2 patents)David Carroll ChallenerCarlos Munoz-Bustamante (2 patents)David Carroll ChallenerRatan Ray (2 patents)David Carroll ChallenerRussell Alan Resnick (2 patents)David Carroll ChallenerJeffrey Mark Estroff (2 patents)David Carroll ChallenerDaniel Edward McConnell (2 patents)David Carroll ChallenerJoseph Robert Parker (2 patents)David Carroll ChallenerKenneth Dean Timmons (2 patents)David Carroll ChallenerScott Thomas Elliott (2 patents)David Carroll ChallenerPeter S Kruus (2 patents)David Carroll ChallenerJohn Hancock Nicholson, Iii (2 patents)David Carroll ChallenerJohn Mason Elmore (2 patents)David Carroll ChallenerPeter Hortensius (2 patents)David Carroll ChallenerJohn Carl Mese (1 patent)David Carroll ChallenerDavid Clifford Long (1 patent)David Carroll ChallenerEric Richard Kern (1 patent)David Carroll ChallenerPhilip John Jakes (1 patent)David Carroll ChallenerScott Edwards Kelso (1 patent)David Carroll ChallenerCharles W Kaufman (1 patent)David Carroll ChallenerMohammad Peyravian (1 patent)David Carroll ChallenerPrasenjit Sarkar (1 patent)David Carroll ChallenerKrishna Seshan (1 patent)David Carroll ChallenerPankaj Rohatgi (1 patent)David Carroll ChallenerJames Marc Leas (1 patent)David Carroll ChallenerJames Anthony Hunt (1 patent)David Carroll ChallenerMichael Alan Schappert (1 patent)David Carroll ChallenerBrandon Jon Ellison (1 patent)David Carroll ChallenerTadanobu Inoue (1 patent)David Carroll ChallenerFrancis Edward Noel, Jr (1 patent)David Carroll ChallenerJames Lewis Levine (1 patent)David Carroll ChallenerTakashi Sugawara (1 patent)David Carroll ChallenerAndrew Boyce McNeill, Jr (1 patent)David Carroll ChallenerArunava Gupta (1 patent)David Carroll ChallenerJeffrey R Hobbet (1 patent)David Carroll ChallenerKevin Michael Reinberg (1 patent)David Carroll ChallenerCalvin Bruce Swart (1 patent)David Carroll ChallenerYuji Sugiyama (1 patent)David Carroll ChallenerCharles Edward Kuhlmann (1 patent)David Carroll ChallenerWilliam Fred Keown, Jr (1 patent)David Carroll ChallenerErnest Nelson Mandese (1 patent)David Carroll ChallenerRussell Andrew Fink (1 patent)David Carroll ChallenerQian Ying Wang (1 patent)David Carroll ChallenerStephen E Fischer (1 patent)David Carroll ChallenerJoseph M Harvilchuck (1 patent)David Carroll ChallenerJeffrey Vernon Ford (1 patent)David Carroll ChallenerJoseph Gary Rusnak (1 patent)David Carroll ChallenerJames R Lloyd (1 patent)David Carroll ChallenerHoratio Quinones (1 patent)David Carroll ChallenerWilliam Walter Vetter (1 patent)David Carroll ChallenerBinqiang Ma (1 patent)David Carroll ChallenerVikram Harakere Krishnamurthy (1 patent)David Carroll ChallenerPhilip Anthony Richardson (1 patent)David Carroll ChallenerChad Lee Gettelfinger (1 patent)David Carroll ChallenerPeter Alexander Manson (1 patent)David Carroll ChallenerShah Mohammed Rezaul Islam (1 patent)David Carroll ChallenerKeith F Beckham (1 patent)David Carroll ChallenerKeiko Kokubun (1 patent)David Carroll ChallenerDavid Carroll Challener (133 patents)Randall Scott SpringfieldRandall Scott Springfield (183 patents)Howard J LockerHoward J Locker (326 patents)Daryl Carvis CromerDaryl Carvis Cromer (297 patents)Rod D WaltermannRod D Waltermann (229 patents)Mark Charles DavisMark Charles Davis (89 patents)James Peter WardJames Peter Ward (102 patents)James Patrick HoffJames Patrick Hoff (37 patents)Richard Alan DayanRichard Alan Dayan (100 patents)Steven Dale GoodmanSteven Dale Goodman (41 patents)David R SaffordDavid R Safford (47 patents)Hernando OviesHernando Ovies (8 patents)John Peter KaridisJohn Peter Karidis (123 patents)Justin Tyler DubsJustin Tyler Dubs (40 patents)Joseph Michael PennisiJoseph Michael Pennisi (36 patents)Ryan Charles CathermanRyan Charles Catherman (19 patents)James Joseph ThrasherJames Joseph Thrasher (16 patents)Richard Wayne ChestonRichard Wayne Cheston (51 patents)Michael Terrell VanoverMichael Terrell Vanover (51 patents)James Stephen RutledgeJames Stephen Rutledge (41 patents)David RiveraDavid Rivera (27 patents)Palmer E NewmanPalmer E Newman (15 patents)Barry Douglas AtkinsBarry Douglas Atkins (8 patents)Seiichi KawanoSeiichi Kawano (53 patents)Jennifer Greenwood ZawackiJennifer Greenwood Zawacki (45 patents)Dhruv Manmohandas DesaiDhruv Manmohandas Desai (33 patents)Leendert Peter Van DoornLeendert Peter Van Doorn (13 patents)Richard Allen KelleyRichard Allen Kelley (53 patents)Philip Lee ChildsPhilip Lee Childs (35 patents)Julie Anne MorrisJulie Anne Morris (19 patents)Sean Michael UlrichSean Michael Ulrich (15 patents)Jinping YangJinping Yang (12 patents)Andy Lloyd TrotterAndy Lloyd Trotter (11 patents)Frank P NovakFrank P Novak (9 patents)Joseph P McGovernJoseph P McGovern (7 patents)Peter Geoffrey GaucherPeter Geoffrey Gaucher (5 patents)Norman Arthur Dion, IiNorman Arthur Dion, Ii (3 patents)Nathan J PetersonNathan J Peterson (381 patents)Arnold S WekslerArnold S Weksler (247 patents)David Frederick BantzDavid Frederick Bantz (69 patents)Steven James MastrianniSteven James Mastrianni (49 patents)Todd Weston ArnoldTodd Weston Arnold (47 patents)Joseph Wayne FreemanJoseph Wayne Freeman (43 patents)Steven A BadeSteven A Bade (41 patents)Mikio HagiwaraMikio Hagiwara (19 patents)Carlos Munoz-BustamanteCarlos Munoz-Bustamante (16 patents)Ratan RayRatan Ray (14 patents)Russell Alan ResnickRussell Alan Resnick (13 patents)Jeffrey Mark EstroffJeffrey Mark Estroff (10 patents)Daniel Edward McConnellDaniel Edward McConnell (9 patents)Joseph Robert ParkerJoseph Robert Parker (8 patents)Kenneth Dean TimmonsKenneth Dean Timmons (6 patents)Scott Thomas ElliottScott Thomas Elliott (6 patents)Peter S KruusPeter S Kruus (4 patents)John Hancock Nicholson, IiiJohn Hancock Nicholson, Iii (3 patents)John Mason ElmoreJohn Mason Elmore (2 patents)Peter HortensiusPeter Hortensius (2 patents)John Carl MeseJohn Carl Mese (290 patents)David Clifford LongDavid Clifford Long (168 patents)Eric Richard KernEric Richard Kern (103 patents)Philip John JakesPhilip John Jakes (99 patents)Scott Edwards KelsoScott Edwards Kelso (94 patents)Charles W KaufmanCharles W Kaufman (73 patents)Mohammad PeyravianMohammad Peyravian (65 patents)Prasenjit SarkarPrasenjit Sarkar (62 patents)Krishna SeshanKrishna Seshan (56 patents)Pankaj RohatgiPankaj Rohatgi (45 patents)James Marc LeasJames Marc Leas (43 patents)James Anthony HuntJames Anthony Hunt (37 patents)Michael Alan SchappertMichael Alan Schappert (37 patents)Brandon Jon EllisonBrandon Jon Ellison (37 patents)Tadanobu InoueTadanobu Inoue (36 patents)Francis Edward Noel, JrFrancis Edward Noel, Jr (32 patents)James Lewis LevineJames Lewis Levine (32 patents)Takashi SugawaraTakashi Sugawara (27 patents)Andrew Boyce McNeill, JrAndrew Boyce McNeill, Jr (26 patents)Arunava GuptaArunava Gupta (26 patents)Jeffrey R HobbetJeffrey R Hobbet (23 patents)Kevin Michael ReinbergKevin Michael Reinberg (23 patents)Calvin Bruce SwartCalvin Bruce Swart (20 patents)Yuji SugiyamaYuji Sugiyama (19 patents)Charles Edward KuhlmannCharles Edward Kuhlmann (16 patents)William Fred Keown, JrWilliam Fred Keown, Jr (14 patents)Ernest Nelson MandeseErnest Nelson Mandese (13 patents)Russell Andrew FinkRussell Andrew Fink (12 patents)Qian Ying WangQian Ying Wang (11 patents)Stephen E FischerStephen E Fischer (10 patents)Joseph M HarvilchuckJoseph M Harvilchuck (10 patents)Jeffrey Vernon FordJeffrey Vernon Ford (10 patents)Joseph Gary RusnakJoseph Gary Rusnak (9 patents)James R LloydJames R Lloyd (9 patents)Horatio QuinonesHoratio Quinones (8 patents)William Walter VetterWilliam Walter Vetter (8 patents)Binqiang MaBinqiang Ma (6 patents)Vikram Harakere KrishnamurthyVikram Harakere Krishnamurthy (6 patents)Philip Anthony RichardsonPhilip Anthony Richardson (6 patents)Chad Lee GettelfingerChad Lee Gettelfinger (5 patents)Peter Alexander MansonPeter Alexander Manson (4 patents)Shah Mohammed Rezaul IslamShah Mohammed Rezaul Islam (3 patents)Keith F BeckhamKeith F Beckham (2 patents)Keiko KokubunKeiko Kokubun (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Lenovo (singapore) Pte. Ltd. (82 from 4,126 patents)

2. International Business Machines Corporation (47 from 164,108 patents)

3. The Johns Hopkins University (2 from 3,682 patents)

4. Lenvo (singapore) Pte. Ltd. (1 from 2 patents)

5. Lenoro (singapore) Pte. Ltd. (1 from 1 patent)


133 patents:

1. 10049215 - Apparatus and method for preventing access by malware to locally backed up data

2. 9792453 - Remote computer lockdown

3. 9509767 - Preventing redirection loops during collaborative web browsing

4. 9323956 - Merging external NVRAM with full disk encryption

5. 9015078 - Audit trails for electronic financial transactions

6. 8943329 - Method and apparatus for sharing an integrity security module in a dual-environment computing device

7. 8924863 - Collaborative web navigation using document object model (DOM) based document references

8. 8886962 - Systems and methods for disk encryption with two keys

9. 8797274 - Combined tap sequence and camera based user interface

10. 8756667 - Management of hardware passwords

11. 8738651 - Techniques for updating a relevant document list associated with a software application within a computer system

12. 8706642 - Apparatus, system, and method for securely authorizing changes to a transaction restriction

13. 8707327 - Methods and arrangements for effecting supplementary mail transfer or management

14. 8706811 - Preventing redirection loops during collaborative web browsing

15. 8702812 - Remote disablement of a computer system

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