Growing community of inventors

London, United Kingdom

David Summerfield

Average Co-Inventor Count = 12.29

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 = 202

David SummerfieldStefan Behling (31 patents)David SummerfieldJonathan P Siegel (29 patents)David SummerfieldJames McGrath (27 patents)David SummerfieldRafe Bertram (21 patents)David SummerfieldDavid Nelson (21 patents)David SummerfieldChristopher M Green (14 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 (9 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 SummerfieldJohn De Maio (6 patents)David SummerfieldAndrea Fender Badgley (6 patents)David SummerfieldRaoul Skrein Bumballa (6 patents)David SummerfieldAfroditi Kavallieraki (6 patents)David SummerfieldCharlotte Hofstetter (6 patents)David SummerfieldNeil Bancroft (6 patents)David SummerfieldSusana Varela De Sagarra (6 patents)David SummerfieldLorenzo Poli (5 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 SummerfieldKrzysztof Szymanski (3 patents)David SummerfieldAdrian Parkinson (3 patents)David SummerfieldPeter Han (3 patents)David SummerfieldDavid Del Villar Fernandez (3 patents)David SummerfieldBo Yoon (3 patents)David SummerfieldTon Men Banh (3 patents)David SummerfieldManish Jain (2 patents)David SummerfieldGregory James Ranes (2 patents)David SummerfieldScott David Hazard (2 patents)David SummerfieldHolger Krueger (2 patents)David SummerfieldDoo Ho Lee (2 patents)David SummerfieldAshish Jain (2 patents)David SummerfieldJuan Fernandez Royo (2 patents)David SummerfieldKarim Ayache (2 patents)David SummerfieldMegan Suyehira (2 patents)David SummerfieldKarim Alexis Akika (2 patents)David SummerfieldPaul N Wass (2 patents)David SummerfieldAdeline Piel (2 patents)David SummerfieldDeverell Smith (2 patents)David SummerfieldStefan Marinitsch (2 patents)David SummerfieldNicos Yiatros (2 patents)David SummerfieldMichael C Mulhern (2 patents)David SummerfieldFranklin Lancaster (2 patents)David SummerfieldThomas Oberniedermayr (2 patents)David SummerfieldMichaela Fuchs (2 patents)David SummerfieldKarl Backus (1 patent)David SummerfieldRonald Bruce Johnson (1 patent)David SummerfieldBenjamin L Fay (1 patent)David SummerfieldPeter Bohlin (1 patent)David SummerfieldGeorge Bradley (1 patent)David SummerfieldDavid Summerfield (31 patents)Stefan BehlingStefan Behling (51 patents)Jonathan P SiegelJonathan P Siegel (100 patents)James McGrathJames McGrath (32 patents)Rafe BertramRafe Bertram (24 patents)David NelsonDavid Nelson (22 patents)Christopher M GreenChristopher M Green (63 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 (21 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 (2,320 patents)Jennifer Ross WynnJennifer Ross Wynn (11 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)Charlotte HofstetterCharlotte Hofstetter (6 patents)Neil BancroftNeil Bancroft (6 patents)Susana Varela De SagarraSusana Varela De Sagarra (6 patents)Lorenzo PoliLorenzo Poli (6 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)Krzysztof SzymanskiKrzysztof Szymanski (3 patents)Adrian ParkinsonAdrian Parkinson (3 patents)Peter HanPeter Han (3 patents)David Del Villar FernandezDavid Del Villar Fernandez (3 patents)Bo YoonBo Yoon (3 patents)Ton Men BanhTon Men Banh (3 patents)Manish JainManish Jain (5 patents)Gregory James RanesGregory James Ranes (4 patents)Scott David HazardScott David Hazard (3 patents)Holger KruegerHolger Krueger (3 patents)Doo Ho LeeDoo Ho Lee (3 patents)Ashish JainAshish Jain (3 patents)Juan Fernandez RoyoJuan Fernandez Royo (2 patents)Karim AyacheKarim Ayache (2 patents)Megan SuyehiraMegan Suyehira (2 patents)Karim Alexis AkikaKarim Alexis Akika (2 patents)Paul N WassPaul N Wass (2 patents)Adeline PielAdeline Piel (2 patents)Deverell SmithDeverell Smith (2 patents)Stefan MarinitschStefan Marinitsch (2 patents)Nicos YiatrosNicos Yiatros (2 patents)Michael C MulhernMichael C Mulhern (2 patents)Franklin LancasterFranklin Lancaster (2 patents)Thomas OberniedermayrThomas Oberniedermayr (2 patents)Michaela FuchsMichaela Fuchs (2 patents)Karl BackusKarl Backus (12 patents)Ronald Bruce JohnsonRonald Bruce Johnson (12 patents)Benjamin L FayBenjamin L Fay (12 patents)Peter BohlinPeter Bohlin (8 patents)George BradleyGeorge Bradley (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Apple Inc. (31 from 40,056 patents)


31 patents:

1. D1080022 - Light system

2. D1078099 - Combined doors with room

3. D1055319 - Ceiling panel

4. D1041683 - Building

5. D1037064 - Planter

6. D1004133 - Building

7. D991489 - Building

8. D973918 - Ceiling panel group

9. D970780 - Light system

10. D965180 - Building

11. D947063 - Planter

12. D927729 - Building

13. D912274 - Combination doors and header

14. D887580 - Building

15. D887305 - Planter

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as of
9/10/2025
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