Growing community of inventors

Grimes, IA, United States of America

David E Johnson

Average Co-Inventor Count = 5.00

ph-index = 1

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 = 28

David E Johnson ↔ Daniel M Goldman (1 patent)David E Johnson ↔ Jason J Kelsick (1 patent)David E Johnson ↔ David C Smith (1 patent)David E Johnson ↔ Matthew K Glendenning (1 patent)David E JohnsonDavid E Johnson (1 patent)Daniel M GoldmanDaniel M Goldman (15 patents)Jason J KelsickJason J Kelsick (3 patents)David C SmithDavid C Smith (2 patents)Matthew K GlendenningMatthew K Glendenning (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Pioneer Hi-bred International, Inc. (1 from 6,615 patents)


1 patent:

1. 7938075 - Automated seed detection and planting synchronization apparatus, method and system

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12/31/2025
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