Growing community of inventors

Clive, IA, United States of America

Joseph W Keaschall

Average Co-Inventor Count = 2.68

ph-index = 7

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 = 144

Joseph W KeaschallDavid S Stucker (9 patents)Joseph W KeaschallKenneth Edwin Narva (8 patents)Joseph W KeaschallMichael G Koziel (8 patents)Joseph W KeaschallManju Gupta (8 patents)Joseph W KeaschallLaura Ann Tagliani (8 patents)Joseph W KeaschallJames Wayne Bing (8 patents)Joseph W KeaschallTerry EuClaire Meyer (8 patents)Joseph W KeaschallRobert F Cressman, Jr (8 patents)Joseph W KeaschallGuy A Cardineau (8 patents)Joseph W KeaschallDavid Hondred (8 patents)Joseph W KeaschallCraig D Sanders (8 patents)Joseph W KeaschallDaniel Moellenbeck (8 patents)Joseph W KeaschallMary E Hartnett Locke (8 patents)Joseph W KeaschallEric Barbour (8 patents)Joseph W KeaschallSteven Jeffrey Stelman (8 patents)Joseph W KeaschallAihua Shao (8 patents)Joseph W KeaschallWilliam M Van Zante (8 patents)Joseph W KeaschallMarjorie L Rudert (8 patents)Joseph W KeaschallWilas Nirunsuksiri (8 patents)Joseph W KeaschallSteven W Ritchie (6 patents)Joseph W KeaschallStephen W Ritchie (2 patents)Joseph W KeaschallWalter E Vandeventer (2 patents)Joseph W KeaschallCharles Thomas Cunnyngham (1 patent)Joseph W KeaschallJoseph David Anderson (1 patent)Joseph W KeaschallRobert Lee Segebart (1 patent)Joseph W KeaschallStephen William Noble, Jr (1 patent)Joseph W KeaschallNorman Eugene Williams (1 patent)Joseph W KeaschallBruno Albrecht (1 patent)Joseph W KeaschallStephen L Letsinger (1 patent)Joseph W KeaschallKevin W Kuhn (1 patent)Joseph W KeaschallAlan P Floyd (1 patent)Joseph W KeaschallKeith G Freeman (1 patent)Joseph W KeaschallJames B Ray (1 patent)Joseph W KeaschallRobert F Cressman (0 patent)Joseph W KeaschallSteven J Stelman (0 patent)Joseph W KeaschallSteven J Stelman (0 patent)Joseph W KeaschallJoseph W Keaschall (18 patents)David S StuckerDavid S Stucker (18 patents)Kenneth Edwin NarvaKenneth Edwin Narva (139 patents)Michael G KozielMichael G Koziel (71 patents)Manju GuptaManju Gupta (62 patents)Laura Ann TaglianiLaura Ann Tagliani (40 patents)James Wayne BingJames Wayne Bing (34 patents)Terry EuClaire MeyerTerry EuClaire Meyer (31 patents)Robert F Cressman, JrRobert F Cressman, Jr (28 patents)Guy A CardineauGuy A Cardineau (27 patents)David HondredDavid Hondred (25 patents)Craig D SandersCraig D Sanders (23 patents)Daniel MoellenbeckDaniel Moellenbeck (23 patents)Mary E Hartnett LockeMary E Hartnett Locke (23 patents)Eric BarbourEric Barbour (16 patents)Steven Jeffrey StelmanSteven Jeffrey Stelman (11 patents)Aihua ShaoAihua Shao (8 patents)William M Van ZanteWilliam M Van Zante (8 patents)Marjorie L RudertMarjorie L Rudert (8 patents)Wilas NirunsuksiriWilas Nirunsuksiri (8 patents)Steven W RitchieSteven W Ritchie (9 patents)Stephen W RitchieStephen W Ritchie (2 patents)Walter E VandeventerWalter E Vandeventer (2 patents)Charles Thomas CunnynghamCharles Thomas Cunnyngham (163 patents)Joseph David AndersonJoseph David Anderson (78 patents)Robert Lee SegebartRobert Lee Segebart (60 patents)Stephen William Noble, JrStephen William Noble, Jr (44 patents)Norman Eugene WilliamsNorman Eugene Williams (14 patents)Bruno AlbrechtBruno Albrecht (11 patents)Stephen L LetsingerStephen L Letsinger (1 patent)Kevin W KuhnKevin W Kuhn (1 patent)Alan P FloydAlan P Floyd (1 patent)Keith G FreemanKeith G Freeman (1 patent)James B RayJames B Ray (1 patent)Robert F CressmanRobert F Cressman (0 patent)Steven J StelmanSteven J Stelman (0 patent)Steven J StelmanSteven J Stelman (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Pioneer Hi-bred International, Inc. (18 from 6,583 patents)

2. E.i. Dupont De Nemours and Company (7 from 16,338 patents)

3. Dow Agrosciences LLC (7 from 1,249 patents)


18 patents:

1. 10023921 - Corn event TC1507 and methods for detection thereof

2. 8901378 - Corn event TC1507 and methods for detection thereof

3. 7989607 - Corn event TC1507 and methods for detection thereof

4. 7514544 - Corn event TC1507 and methods for detection thereof

5. 7449564 - Corn event TC1507 and methods for detection thereof

6. 7435807 - Corn event TC1507 and methods for detection thereof

7. 7417132 - Corn event TC1507 and methods for detection thereof

8. 7288643 - Corn event TC1507 and methods for detection thereof

9. 6268553 - Hybrid maize plant & seed32G80

10. 5866768 - Inbred maize line PHO2T

11. 5811637 - Inbred maize line PH40B

12. 5731497 - Hybrid maize plant & seed (3310)

13. 5708189 - Inbred corn line PHP38

14. 5506367 - Inbred corn line PHP38

15. 5491289 - Hybrid corn plant and seed (3279)

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12/3/2025
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