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 = 219

David SummerfieldStefan Behling (32 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 (15 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 SummerfieldJames Bishop (8 patents)David SummerfieldRoger Ridsdill-Smith (8 patents)David SummerfieldRichard P Howarth (6 patents)David SummerfieldJennifer Ross Wynn (6 patents)David SummerfieldSusana Varela De Sagarra (6 patents)David SummerfieldAfroditi Kavallieraki (6 patents)David SummerfieldRaoul Skrein Bumballa (6 patents)David SummerfieldAndrea Fender Badgley (6 patents)David SummerfieldCharlotte Hofstetter (6 patents)David SummerfieldJohn De Maio (6 patents)David SummerfieldNeil Bancroft (6 patents)David SummerfieldLorenzo Poli (5 patents)David SummerfieldPeter Han (4 patents)David SummerfieldCasey Feeney (3 patents)David SummerfieldVasco Agnoli (3 patents)David SummerfieldJames Andrus (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 SummerfieldManish Jain (2 patents)David SummerfieldGregory James Ranes (2 patents)David SummerfieldScott David Hazard (2 patents)David SummerfieldAshish Jain (2 patents)David SummerfieldDoo Ho Lee (2 patents)David SummerfieldHolger Krueger (2 patents)David SummerfieldJuan Fernandez Royo (2 patents)David SummerfieldThomas Oberniedermayr (2 patents)David SummerfieldMichaela Fuchs (2 patents)David SummerfieldFranklin Lancaster (2 patents)David SummerfieldMichael C Mulhern (2 patents)David SummerfieldNicos Yiatros (2 patents)David SummerfieldStefan Marinitsch (2 patents)David SummerfieldAdeline Piel (2 patents)David SummerfieldPaul N Wass (2 patents)David SummerfieldKarim Alexis Akika (2 patents)David SummerfieldMegan Suyehira (2 patents)David SummerfieldKarim Ayache (2 patents)David SummerfieldDeverell Smith (2 patents)David SummerfieldBenjamin L Fay (1 patent)David SummerfieldRonald Bruce Johnson (1 patent)David SummerfieldKarl Backus (1 patent)David SummerfieldPeter Bohlin (1 patent)David SummerfieldGeorge Bradley (1 patent)David SummerfieldAdrian Parkinson (1 patent)David SummerfieldJames Mcgrath (0 patent)David SummerfieldDavid Summerfield (32 patents)Stefan BehlingStefan Behling (52 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 (64 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)James BishopJames Bishop (8 patents)Roger Ridsdill-SmithRoger Ridsdill-Smith (8 patents)Richard P HowarthRichard P Howarth (2,360 patents)Jennifer Ross WynnJennifer Ross Wynn (11 patents)Susana Varela De SagarraSusana Varela De Sagarra (6 patents)Afroditi KavallierakiAfroditi Kavallieraki (6 patents)Raoul Skrein BumballaRaoul Skrein Bumballa (6 patents)Andrea Fender BadgleyAndrea Fender Badgley (6 patents)Charlotte HofstetterCharlotte Hofstetter (6 patents)John De MaioJohn De Maio (6 patents)Neil BancroftNeil Bancroft (6 patents)Lorenzo PoliLorenzo Poli (6 patents)Peter HanPeter Han (4 patents)Casey FeeneyCasey Feeney (21 patents)Vasco AgnoliVasco Agnoli (10 patents)James AndrusJames Andrus (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)Manish JainManish Jain (5 patents)Gregory James RanesGregory James Ranes (4 patents)Scott David HazardScott David Hazard (3 patents)Ashish JainAshish Jain (3 patents)Doo Ho LeeDoo Ho Lee (3 patents)Holger KruegerHolger Krueger (3 patents)Juan Fernandez RoyoJuan Fernandez Royo (2 patents)Thomas OberniedermayrThomas Oberniedermayr (2 patents)Michaela FuchsMichaela Fuchs (2 patents)Franklin LancasterFranklin Lancaster (2 patents)Michael C MulhernMichael C Mulhern (2 patents)Nicos YiatrosNicos Yiatros (2 patents)Stefan MarinitschStefan Marinitsch (2 patents)Adeline PielAdeline Piel (2 patents)Paul N WassPaul N Wass (2 patents)Karim Alexis AkikaKarim Alexis Akika (2 patents)Megan SuyehiraMegan Suyehira (2 patents)Karim AyacheKarim Ayache (2 patents)Deverell SmithDeverell Smith (2 patents)Benjamin L FayBenjamin L Fay (12 patents)Ronald Bruce JohnsonRonald Bruce Johnson (12 patents)Karl BackusKarl Backus (12 patents)Peter BohlinPeter Bohlin (8 patents)George BradleyGeorge Bradley (4 patents)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. (32 from 40,476 patents)


32 patents:

1. D1097202 - Building

2. D1080022 - Light system

3. D1078099 - Combined doors with room

4. D1055319 - Ceiling panel

5. D1041683 - Building

6. D1037064 - Planter

7. D1004133 - Building

8. D991489 - Building

9. D973918 - Ceiling panel group

10. D970780 - Light system

11. D965180 - Building

12. D947063 - Planter

13. D927729 - Building

14. D912274 - Combination doors and header

15. D887580 - Building

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as of
10/26/2025
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