Growing community of inventors

London, United Kingdom

David Summerfield

Average Co-Inventor Count = 12.15

ph-index = 9

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 = 221

David SummerfieldStefan Behling (33 patents)David SummerfieldJonathan P Siegel (30 patents)David SummerfieldJames McGrath (28 patents)David SummerfieldDavid Nelson (22 patents)David SummerfieldRafe Bertram (21 patents)David SummerfieldChristopher M Green (16 patents)David SummerfieldRobert Bridger (14 patents)David SummerfieldGraham Coult (12 patents)David SummerfieldVladimir Marinov (12 patents)David SummerfieldJames O'Callaghan (11 patents)David SummerfieldChristopher Daniel Peak (10 patents)David SummerfieldPatrick E O'Brien (8 patents)David SummerfieldPeter Lenk (8 patents)David SummerfieldRoger Ridsdill-Smith (8 patents)David SummerfieldJames Bishop (8 patents)David SummerfieldRichard P Howarth (6 patents)David SummerfieldJennifer Ross Wynn (6 patents)David SummerfieldCharlotte Hofstetter (6 patents)David SummerfieldNeil Bancroft (6 patents)David SummerfieldJohn De Maio (6 patents)David SummerfieldAndrea Fender Badgley (6 patents)David SummerfieldRaoul Skrein Bumballa (6 patents)David SummerfieldAfroditi Kavallieraki (6 patents)David SummerfieldSusana Varela De Sagarra (6 patents)David SummerfieldLorenzo Poli (5 patents)David SummerfieldPeter Han (4 patents)David SummerfieldCasey Feeney (3 patents)David SummerfieldJames Andrus (3 patents)David SummerfieldVasco Agnoli (3 patents)David SummerfieldBernd Richter (3 patents)David SummerfieldEd Wright (3 patents)David SummerfieldWolfgang Muller (3 patents)David SummerfieldAdrian Parkinson (3 patents)David SummerfieldDavid Del Villar Fernandez (3 patents)David SummerfieldBo Yoon (3 patents)David SummerfieldTon Men Banh (3 patents)David SummerfieldKrzysztof Szymanski (3 patents)David SummerfieldMegan Suyehira (3 patents)David SummerfieldManish Jain (2 patents)David SummerfieldGregory James Ranes (2 patents)David SummerfieldAshish Jain (2 patents)David SummerfieldScott David Hazard (2 patents)David SummerfieldHolger Krueger (2 patents)David SummerfieldDoo Ho Lee (2 patents)David SummerfieldPaul N Wass (2 patents)David SummerfieldFranklin Lancaster (2 patents)David SummerfieldThomas Oberniedermayr (2 patents)David SummerfieldMichaela Fuchs (2 patents)David SummerfieldNicos Yiatros (2 patents)David SummerfieldStefan Marinitsch (2 patents)David SummerfieldAdeline Piel (2 patents)David SummerfieldKarim Alexis Akika (2 patents)David SummerfieldKarim Ayache (2 patents)David SummerfieldJuan Fernandez Royo (2 patents)David SummerfieldDeverell Smith (2 patents)David SummerfieldMichael C Mulhern (2 patents)David SummerfieldDavid Kahl Peschel (1 patent)David SummerfieldKarl Backus (1 patent)David SummerfieldBenjamin L Fay (1 patent)David SummerfieldRonald Bruce Johnson (1 patent)David SummerfieldPeter Bohlin (1 patent)David SummerfieldGeorge Bradley (1 patent)David SummerfieldAndrew Charles Deffenbaugh (1 patent)David SummerfieldWilliam Joseph Bergeron-Mirsky (1 patent)David SummerfieldAndrea Leva (1 patent)David SummerfieldJames Edwards (1 patent)David SummerfieldNasim Haghighi (1 patent)David SummerfieldJonathan P Polido (1 patent)David SummerfieldKatalina Arboleda-Guerrero (1 patent)David SummerfieldJoshua E Becker (1 patent)David SummerfieldDavid Rodrigues (1 patent)David SummerfieldAdrian Betanzos Diaz (1 patent)David SummerfieldUlrich Hamann (1 patent)David SummerfieldJephtha Schaffner (1 patent)David SummerfieldBela Kasza (1 patent)David SummerfieldAdrian Parkinson (1 patent)David SummerfieldJames Mcgrath (0 patent)David SummerfieldDavid Summerfield (33 patents)Stefan BehlingStefan Behling (53 patents)Jonathan P SiegelJonathan P Siegel (102 patents)James McGrathJames McGrath (33 patents)David NelsonDavid Nelson (23 patents)Rafe BertramRafe Bertram (24 patents)Christopher M GreenChristopher M Green (65 patents)Robert BridgerRobert Bridger (26 patents)Graham CoultGraham Coult (14 patents)Vladimir MarinovVladimir Marinov (12 patents)James O'CallaghanJames O'Callaghan (20 patents)Christopher Daniel PeakChristopher Daniel Peak (22 patents)Patrick E O'BrienPatrick E O'Brien (15 patents)Peter LenkPeter Lenk (9 patents)Roger Ridsdill-SmithRoger Ridsdill-Smith (8 patents)James BishopJames Bishop (8 patents)Richard P HowarthRichard P Howarth (2,377 patents)Jennifer Ross WynnJennifer Ross Wynn (11 patents)Charlotte HofstetterCharlotte Hofstetter (6 patents)Neil BancroftNeil Bancroft (6 patents)John De MaioJohn De Maio (6 patents)Andrea Fender BadgleyAndrea Fender Badgley (6 patents)Raoul Skrein BumballaRaoul Skrein Bumballa (6 patents)Afroditi KavallierakiAfroditi Kavallieraki (6 patents)Susana Varela De SagarraSusana Varela De Sagarra (6 patents)Lorenzo PoliLorenzo Poli (6 patents)Peter HanPeter Han (4 patents)Casey FeeneyCasey Feeney (21 patents)James AndrusJames Andrus (10 patents)Vasco AgnoliVasco Agnoli (10 patents)Bernd RichterBernd Richter (5 patents)Ed WrightEd Wright (4 patents)Wolfgang MullerWolfgang Muller (4 patents)Adrian ParkinsonAdrian Parkinson (3 patents)David Del Villar FernandezDavid Del Villar Fernandez (3 patents)Bo YoonBo Yoon (3 patents)Ton Men BanhTon Men Banh (3 patents)Krzysztof SzymanskiKrzysztof Szymanski (3 patents)Megan SuyehiraMegan Suyehira (3 patents)Manish JainManish Jain (5 patents)Gregory James RanesGregory James Ranes (4 patents)Ashish JainAshish Jain (4 patents)Scott David HazardScott David Hazard (3 patents)Holger KruegerHolger Krueger (3 patents)Doo Ho LeeDoo Ho Lee (3 patents)Paul N WassPaul N Wass (2 patents)Franklin LancasterFranklin Lancaster (2 patents)Thomas OberniedermayrThomas Oberniedermayr (2 patents)Michaela FuchsMichaela Fuchs (2 patents)Nicos YiatrosNicos Yiatros (2 patents)Stefan MarinitschStefan Marinitsch (2 patents)Adeline PielAdeline Piel (2 patents)Karim Alexis AkikaKarim Alexis Akika (2 patents)Karim AyacheKarim Ayache (2 patents)Juan Fernandez RoyoJuan Fernandez Royo (2 patents)Deverell SmithDeverell Smith (2 patents)Michael C MulhernMichael C Mulhern (2 patents)David Kahl PeschelDavid Kahl Peschel (14 patents)Karl BackusKarl Backus (12 patents)Benjamin L FayBenjamin L Fay (12 patents)Ronald Bruce JohnsonRonald Bruce Johnson (12 patents)Peter BohlinPeter Bohlin (8 patents)George BradleyGeorge Bradley (4 patents)Andrew Charles DeffenbaughAndrew Charles Deffenbaugh (4 patents)William Joseph Bergeron-MirskyWilliam Joseph Bergeron-Mirsky (4 patents)Andrea LevaAndrea Leva (2 patents)James EdwardsJames Edwards (1 patent)Nasim HaghighiNasim Haghighi (1 patent)Jonathan P PolidoJonathan P Polido (1 patent)Katalina Arboleda-GuerreroKatalina Arboleda-Guerrero (1 patent)Joshua E BeckerJoshua E Becker (1 patent)David RodriguesDavid Rodrigues (1 patent)Adrian Betanzos DiazAdrian Betanzos Diaz (1 patent)Ulrich HamannUlrich Hamann (1 patent)Jephtha SchaffnerJephtha Schaffner (1 patent)Bela KaszaBela Kasza (1 patent)Adrian ParkinsonAdrian Parkinson (1 patent)James McgrathJames Mcgrath (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Apple Inc. (33 from 40,702 patents)


33 patents:

1. D1100263 - Retail store

2. D1097202 - Building

3. D1080022 - Light system

4. D1078099 - Combined doors with room

5. D1055319 - Ceiling panel

6. D1041683 - Building

7. D1037064 - Planter

8. D1004133 - Building

9. D991489 - Building

10. D973918 - Ceiling panel group

11. D970780 - Light system

12. D965180 - Building

13. D947063 - Planter

14. D927729 - Building

15. D912274 - Combination doors and header

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11/21/2025
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