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For the Inventor, By the Inventor

Richmond, VA, United States of America

Doetze Jakob Sikkema

This inventor holds 14 USPTO granted patents. Top assignees: Magellan Systems International LLC, E.i. Dupont De Nemours and Company, Mxpolymers B.v.. Active years: 2010-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Doetze Jakob Sikkema. Retrieved from https://idiyas.com/inventor/doetze-jakob-sikkema

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

Calculating rank
USPTO Granted Patents = 14

% Patents Active = 35.7

Average Co-Inventor Count = 2.5

ph-index = 2

Forward Citations = 16(Granted Patents)


Location History:

  • Richmond, VA (US) (2010 - 2012)
  • Wageningen, NL (2010 - 2022)

Company Filing History:

goldMedal10 out of 15 
 
Magellan Systems International LLC
 patents
silverMedal9 out of 16,339 
 
E.i. Dupont De Nemours and Company
 patents
bronzeMedal2 out of 2 
 
Mxpolymers B.v.
 patents
4. 1 out of 3 
 
Latexfalt B.v.
 patents
5. 1 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 2010-2022

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14 patents (USPTO):Explore Patents
1. 11434329 - Polymers comprising sulfonated 2,6-diphenyl-1,4-phenylene oxide repeating units (2022-09-06),
2. 9187599 - Process for crosslinking a polymer comprising pyridyl groups (2015-11-17),
3. 8299202 - Phenol compounds and (co)polymers thereof (2012-10-30),
4. 8263221 - High inherent viscosity polymers and fibers therefrom (2012-09-11),
5. 8197589 - Use of a (1>3)-β-D-glucan as an emulsion stabiliser (2012-06-12),
6. 7906615 - Process for hydrolyzing polyphosphoric acid in a spun yarn (2011-03-15),
7. 7906613 - Process for removing cations from polyareneazole fiber (2011-03-15),
8. 7888457 - Process for removing phosphorous from a fiber or yarn (2011-02-15),
9. 7851584 - Process for preparing monomer complexes (2010-12-14),
10. 7776246 - Process for the production of polyarenazole yarn (2010-08-17),
11. 7754846 - Thermal processes for increasing polyareneazole inherent viscosities (2010-07-13),
12. 7683157 - Process for the production of polyarenazole polymer (2010-03-23),
13. 7683122 - Processes for increasing polymer inherent viscosity (2010-03-23),
14. 7671171 - Processes for preparing high inherent viscosity polyareneazoles using metal powders (2010-03-02),

Title: The Innovative Contributions of Doetze Jakob Sikkema

Introduction

Doetze Jakob Sikkema is a prominent inventor based in Richmond, Virginia, known for his significant contributions in the field of polymer technology. With a total of 14 patents to his name, Sikkema's work primarily focuses on advanced materials with applications in energy technology.

Latest Patents

Among Sikkema’s latest innovations are two noteworthy patents. The first is for "Polymers comprising sulfonated 2,6-diphenyl-1,4-phenylene oxide repeating units." This invention details a method for preparing these polymers and highlights their utility in various applications, including membrane electrode assemblies, proton exchange membranes, fuel cells, electrolysers, electrolytic hydrogen compressors, and flow batteries. Additionally, it discusses the preparation of a proton exchange membrane from the polymer and its use in ion exchange materials.

The second patent involves a "Process for crosslinking a polymer comprising pyridyl groups." This innovation focuses on crosslinking an arylene oxide polymer featuring 3-pyridyl and/or 4-pyridyl groups. The crosslinked arylene oxide polymer is designed for use as a membrane, especially as a proton-conducting membrane, which is crucial for various electrochemical applications.

Career Highlights

Sikkema has built an impressive career, contributing his expertise while working with notable companies including Magellan Systems International LLC and E.I. Dupont De Nemours and Company. His experience has equipped him with a profound understanding of polymer science and its applications in technology.

Collaborations

In his career, Sikkema has collaborated with distinguished professionals, including Steven R. Allen and David J. Rodini. These partnerships have fostered innovation and propelled the development of new technologies that have the potential to impact various industries.

Conclusion

Doetze Jakob Sikkema’s work exemplifies the spirit of innovation. With his extensive patent portfolio and collaborations with leading companies and professionals, he continues to push the boundaries of polymer science, paving the way for new applications in energy technology. His contributions affirm the importance of research and development in creating sustainable solutions for the future.

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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