Growing community of inventors

Ankeny, IA, United States of America

Mark W Spicer

Average Co-Inventor Count = 4.48

ph-index = 3

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 = 84

Mark W SpicerJames L Hunter (2 patents)Mark W SpicerLyndon J Schroeder (2 patents)Mark W SpicerDavid L Johnson (1 patent)Mark W SpicerSteven J Corak (1 patent)Mark W SpicerTimothy P Meyer (1 patent)Mark W SpicerMichael E Hartman (1 patent)Mark W SpicerAndrew S Nickerson (1 patent)Mark W SpicerBruce E Cadwell (1 patent)Mark W SpicerDavid K Langer (1 patent)Mark W SpicerTimothy J Wilhelm (1 patent)Mark W SpicerRichard D Osborne (1 patent)Mark W SpicerKent Hoeppner (1 patent)Mark W SpicerArno Ruckelshausen (1 patent)Mark W SpicerTimur M Dzinaj (1 patent)Mark W SpicerAndreas Linz (1 patent)Mark W SpicerJoseph L Glaubitz (1 patent)Mark W SpicerBerton G Whited (1 patent)Mark W SpicerDavid W Goldsberry (1 patent)Mark W SpicerJacob T Klocke (1 patent)Mark W SpicerRoger Blickhan (1 patent)Mark W SpicerSteven Langton (1 patent)Mark W SpicerTimothy Wilhelm (0 patent)Mark W SpicerTim Meyer (0 patent)Mark W SpicerRoger J Blickham (0 patent)Mark W SpicerAndreas Linz (0 patent)Mark W SpicerMark W Spicer (5 patents)James L HunterJames L Hunter (31 patents)Lyndon J SchroederLyndon J Schroeder (11 patents)David L JohnsonDavid L Johnson (55 patents)Steven J CorakSteven J Corak (9 patents)Timothy P MeyerTimothy P Meyer (9 patents)Michael E HartmanMichael E Hartman (8 patents)Andrew S NickersonAndrew S Nickerson (7 patents)Bruce E CadwellBruce E Cadwell (4 patents)David K LangerDavid K Langer (3 patents)Timothy J WilhelmTimothy J Wilhelm (3 patents)Richard D OsborneRichard D Osborne (2 patents)Kent HoeppnerKent Hoeppner (2 patents)Arno RuckelshausenArno Ruckelshausen (1 patent)Timur M DzinajTimur M Dzinaj (1 patent)Andreas LinzAndreas Linz (1 patent)Joseph L GlaubitzJoseph L Glaubitz (1 patent)Berton G WhitedBerton G Whited (1 patent)David W GoldsberryDavid W Goldsberry (1 patent)Jacob T KlockeJacob T Klocke (1 patent)Roger BlickhanRoger Blickhan (1 patent)Steven LangtonSteven Langton (1 patent)Timothy WilhelmTimothy Wilhelm (0 patent)Tim MeyerTim Meyer (0 patent)Roger J BlickhamRoger J Blickham (0 patent)Andreas LinzAndreas Linz (0 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Pioneer Hi-bred International, Inc. (4 from 6,589 patents)

2. Siebolt Hettinga (1 from 2 patents)


5 patents:

1. 9002070 - Automated seed package identification apparatus, system, and method

2. 8943785 - Automated high-throughput seed processing apparatus

3. 8862630 - Method and system for the use of geospatial data in the development, production, and sale of agricultural seed

4. 7412330 - Sensor system, method, and computer program product for plant phenotype measurement in agricultural environments

5. 6272398 - Processor-based process control system with intuitive programming capabilities

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as of
12/11/2025
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