Growing community of inventors

Robins, IA, United States of America

David B Fischer

Average Co-Inventor Count = 2.31

ph-index = 18

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 = 1,033

David B FischerDavid Walter Whitaker (32 patents)David B FischerGary Edward Henke (21 patents)David B FischerEdwin Michael Grote (17 patents)David B FischerTerrill E Williams (15 patents)David B FischerAndrew Jon Ross (10 patents)David B FischerMichael Adam Chandler (10 patents)David B FischerMatthew David Smalley (9 patents)David B FischerJulia Xiuling Zhang (9 patents)David B FischerRobert Alan Guse (8 patents)David B FischerThomas Craig Kevern (7 patents)David B FischerJoseph Kevin Gogerty (7 patents)David B FischerMichael Joseph O'Leary (7 patents)David B FischerWilliam Andrew Wilson (6 patents)David B FischerLuis A Verde Chifflet (6 patents)David B FischerDean William Christensen (6 patents)David B FischerRussell L Fox (5 patents)David B FischerElliot Lee Heffner (4 patents)David B FischerSara Jane Lira (4 patents)David B FischerEric Scott Riedeman (4 patents)David B FischerMichael Phillip Jines (4 patents)David B FischerJennifer Ann Tarter (4 patents)David B FischerJulie Ho (4 patents)David B FischerNancy Guse, Legal Representative (4 patents)David B FischerMario Rosario Carlone, Jr (3 patents)David B FischerTerry Ray Colbert (3 patents)David B FischerThomas Charles Barker (3 patents)David B FischerTodd Elliott Piper (3 patents)David B FischerMark David Hoffbeck (3 patents)David B FischerLeah Viesselmann Stirling (3 patents)David B FischerWade Eugene Odland (3 patents)David B FischerPolly Suzanne Longenberger (3 patents)David B FischerSara Johanna Elisabeth Larsson (3 patents)David B FischerAmy Jean Jacobson (3 patents)David B FischerTravis J Lee (2 patents)David B FischerJay Robert Hotchkiss (2 patents)David B FischerLora Lynn Kilgore-Norquest (2 patents)David B FischerGoran Srnic (2 patents)David B FischerTara Luana Barrett Tarnowski (2 patents)David B FischerRobert Lee Segebart (2 patents)David B FischerGeoffrey Ian Graham (2 patents)David B FischerDavid Lee Benson (2 patents)David B FischerStephen William Noble, Jr (2 patents)David B FischerBrian Douglas De Vries (2 patents)David B FischerKelvin Grandy Grant (2 patents)David B FischerTerence Luke Molnar (2 patents)David B FischerWendy Ann Srnic (2 patents)David B FischerJared Benson (2 patents)David B FischerBrandon Michael Wardyn (1 patent)David B FischerDennis James Dolan (1 patent)David B FischerKhusi Ram Tiwari (1 patent)David B FischerStephen Joseph Szalma (1 patent)David B FischerSuzanne Michelle Mickelson (1 patent)David B FischerLoren John Hoffbeck (1 patent)David B FischerChristopher Michael Schaefer (1 patent)David B FischerEverton Alen Brenner (1 patent)David B FischerNeway Challa Mengistu (1 patent)David B FischerGerhard P Weber (1 patent)David B FischerChristopher Cole Rasmussen (1 patent)David B FischerMark Cooper (1 patent)David B FischerArturo Jason Morales (1 patent)David B FischerBill S Curran (1 patent)David B FischerDavid Kyle Whitmire (1 patent)David B FischerJoann E Harren (1 patent)David B FischerLeandro Daniel Perugini (1 patent)David B FischerBlaine Earl Johnson (1 patent)David B FischerDavid B Fischer (98 patents)David Walter WhitakerDavid Walter Whitaker (145 patents)Gary Edward HenkeGary Edward Henke (214 patents)Edwin Michael GroteEdwin Michael Grote (214 patents)Terrill E WilliamsTerrill E Williams (21 patents)Andrew Jon RossAndrew Jon Ross (105 patents)Michael Adam ChandlerMichael Adam Chandler (73 patents)Matthew David SmalleyMatthew David Smalley (157 patents)Julia Xiuling ZhangJulia Xiuling Zhang (61 patents)Robert Alan GuseRobert Alan Guse (27 patents)Thomas Craig KevernThomas Craig Kevern (138 patents)Joseph Kevin GogertyJoseph Kevin Gogerty (120 patents)Michael Joseph O'LearyMichael Joseph O'Leary (54 patents)William Andrew WilsonWilliam Andrew Wilson (102 patents)Luis A Verde ChiffletLuis A Verde Chifflet (89 patents)Dean William ChristensenDean William Christensen (19 patents)Russell L FoxRussell L Fox (182 patents)Elliot Lee HeffnerElliot Lee Heffner (128 patents)Sara Jane LiraSara Jane Lira (121 patents)Eric Scott RiedemanEric Scott Riedeman (71 patents)Michael Phillip JinesMichael Phillip Jines (62 patents)Jennifer Ann TarterJennifer Ann Tarter (54 patents)Julie HoJulie Ho (26 patents)Nancy Guse, Legal RepresentativeNancy Guse, Legal Representative (10 patents)Mario Rosario Carlone, JrMario Rosario Carlone, Jr (215 patents)Terry Ray ColbertTerry Ray Colbert (168 patents)Thomas Charles BarkerThomas Charles Barker (141 patents)Todd Elliott PiperTodd Elliott Piper (129 patents)Mark David HoffbeckMark David Hoffbeck (98 patents)Leah Viesselmann StirlingLeah Viesselmann Stirling (40 patents)Wade Eugene OdlandWade Eugene Odland (33 patents)Polly Suzanne LongenbergerPolly Suzanne Longenberger (27 patents)Sara Johanna Elisabeth LarssonSara Johanna Elisabeth Larsson (15 patents)Amy Jean JacobsonAmy Jean Jacobson (6 patents)Travis J LeeTravis J Lee (116 patents)Jay Robert HotchkissJay Robert Hotchkiss (84 patents)Lora Lynn Kilgore-NorquestLora Lynn Kilgore-Norquest (80 patents)Goran SrnicGoran Srnic (70 patents)Tara Luana Barrett TarnowskiTara Luana Barrett Tarnowski (66 patents)Robert Lee SegebartRobert Lee Segebart (60 patents)Geoffrey Ian GrahamGeoffrey Ian Graham (52 patents)David Lee BensonDavid Lee Benson (45 patents)Stephen William Noble, JrStephen William Noble, Jr (44 patents)Brian Douglas De VriesBrian Douglas De Vries (42 patents)Kelvin Grandy GrantKelvin Grandy Grant (26 patents)Terence Luke MolnarTerence Luke Molnar (26 patents)Wendy Ann SrnicWendy Ann Srnic (3 patents)Jared BensonJared Benson (2 patents)Brandon Michael WardynBrandon Michael Wardyn (139 patents)Dennis James DolanDennis James Dolan (104 patents)Khusi Ram TiwariKhusi Ram Tiwari (77 patents)Stephen Joseph SzalmaStephen Joseph Szalma (68 patents)Suzanne Michelle MickelsonSuzanne Michelle Mickelson (61 patents)Loren John HoffbeckLoren John Hoffbeck (50 patents)Christopher Michael SchaeferChristopher Michael Schaefer (48 patents)Everton Alen BrennerEverton Alen Brenner (46 patents)Neway Challa MengistuNeway Challa Mengistu (42 patents)Gerhard P WeberGerhard P Weber (35 patents)Christopher Cole RasmussenChristopher Cole Rasmussen (34 patents)Mark CooperMark Cooper (25 patents)Arturo Jason MoralesArturo Jason Morales (25 patents)Bill S CurranBill S Curran (22 patents)David Kyle WhitmireDavid Kyle Whitmire (20 patents)Joann E HarrenJoann E Harren (20 patents)Leandro Daniel PeruginiLeandro Daniel Perugini (17 patents)Blaine Earl JohnsonBlaine Earl Johnson (16 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Pioneer Hi-bred International, Inc. (98 from 6,589 patents)


98 patents:

1. 12478016 - Maize hybrid X09T083

2. 12433230 - Maize inbred 1PQJT45

3. 12336479 - Maize hybrid X05V409

4. 12268152 - Maize hybrid X08R605

5. 12225869 - Maize inbred 1PDCS86

6. 12225864 - Maize inbred 1PWAU02

7. 11895970 - Maize hybrid X08R686

8. 11771033 - Maize hybrid X08R677

9. 11737414 - Maize hybrid X08R678

10. 11622525 - Maize hybrid X05R367

11. 11617325 - Maize inbred 1PQQS32

12. 11559022 - Maize hybrid X03P567

13. 11457589 - Maize hybrid X05N268

14. 11026386 - Maize hybrid X08N746

15. 11019784 - Maize hybrid X03N341

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as of
12/12/2025
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