ALGONA, IA, United States of America

Joann E Harren

This inventor holds 30 USPTO granted patents, primarily in Maize Hybrid Development. Top assignee: Pioneer Hi-Bred International, Inc.. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joann E Harren. Retrieved from https://idiyas.com/inventor/joann-e-harren

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 93.3

Average Co-Inventor Count = 9.6

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2025-2026

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Areas of Expertise:
Maize Hybrid
Yield Improvement
Disease Resistance
Genetic Traits
Crop Science
Plant Breeding
Agricultural Innovation
Hybrid Varieties
Diversity Enhancement
Agronomy
Seed Technology
Trait Optimization
30 patents (USPTO):Explore Patents

Title: Joann E. Harren: Innovating Maize Hybrid Varieties

Introduction: Joann E. Harren, a notable inventor based in Algona, Iowa, has made significant contributions to agricultural innovation through his work in maize hybrid development. With one patent to his name, Harren's research focuses on enhancing maize varieties, particularly through innovative breeding techniques.

Latest Patents: Harren's most prominent patent is for the maize hybrid X13V092. This novel maize variety is produced by crossing inbred maize varieties, which allows for the generation of seed, plants, and plant parts. The patent details methods for producing maize plants that contain specific genetic traits introgressed through backcrossing or genetic transformation. Additionally, it encompasses the maize seed, plant, and variations derived from the maize variety X13V092, along with techniques for developing maize varieties based on X13V092.

Career Highlights: Joann E. Harren is associated with Pioneer Hi-Bred International, Inc., a global leader in seed technology and agricultural solutions. His work at Pioneer highlights the integration of scientific research and practical applications in agriculture, showcasing how innovation can lead to improved crop varieties.

Collaborations: Throughout his career, Harren has collaborated with fellow researchers, including Brian Douglas De Vries and Elliot Lee Heffner. Their collective efforts contribute to advancements in plant breeding and the development of new maize varieties that benefit farmers and the agricultural industry.

Conclusion: Joann E. Harren is an influential figure in the field of maize hybridization, with a specific focus on developing and improving maize varieties. His patented innovation, the maize hybrid X13V092, reflects a commitment to enhancing agricultural productivity through scientific research and collaboration with industry professionals. Harren's contributions are vital in the ongoing pursuit of sustainable agricultural practices and crop improvement.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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