Scheveningen, Netherlands

Frans A Krens

This inventor holds 1 USPTO granted patent. Top assignees: Rijksuniversiteit Leiden, Other. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Frans A Krens. Retrieved from https://idiyas.com/inventor/frans-a-krens

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 122(Granted Patents)


Company Filing History:

goldMedal1 out of 22 
 
Rijksuniversiteit Leiden
 patents
silverMedal1 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Frans A. Krens

Introduction

Frans A. Krens is a notable inventor based in Scheveningen, Netherlands. He has made significant contributions to the field of plant biotechnology, particularly through his innovative patent related to the transformation of plant protoplasts. His work has implications for genetic engineering and the enhancement of plant properties.

Latest Patents

Frans A. Krens holds a patent for a process that involves the in-vitro transformation of plant protoplasts. This process allows for the genetic properties of higher plants to be transformed by incubating protoplasts with plasmid DNA. The incubation occurs in the presence of polyethylene glycol and calcium ions. Following this, the calcium ion concentration in the incubation medium is gradually increased while the polyethylene glycol concentration is decreased. The resulting aggregates are then separated, grown further, and examined for modifications in their genetic properties. This innovative approach has the potential to advance agricultural practices and improve crop resilience.

Career Highlights

Throughout his career, Frans A. Krens has worked with esteemed institutions, including Rijksuniversiteit Leiden. His research and inventions have contributed to the understanding and application of genetic transformation in plants, paving the way for advancements in biotechnology.

Collaborations

Frans A. Krens has collaborated with notable colleagues such as George J. Wullems and Robbert A. Schilperoort. These collaborations have enriched his research and expanded the impact of his work in the field of plant biotechnology.

Conclusion

Frans A. Krens is a distinguished inventor whose work in plant biotechnology has led to significant advancements in genetic transformation processes. His innovative patent and collaborations highlight his contributions to the field, making him a key figure in the ongoing development of agricultural biotechnology.

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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