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For the Inventor, By the Inventor

Amsterdam, Netherlands

Johan Stapersma

This inventor holds 8 USPTO granted patents. Top assignee: Shell Oil Comapny. Active years: 1989-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Johan Stapersma. Retrieved from https://idiyas.com/inventor/johan-stapersma

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 3

Forward Citations = 42(Granted Patents)


Location History:

  • CN Amsterdam, NL (1990)
  • Amsterdam, NL (1989 - 1993)

Company Filing History:

goldMedal8 out of 7,646 
 
Shell Oil Comapny
 patents

Years Active: 1989-1993

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8 patents (USPTO):Explore Patents
1. 5179225 - Carbonylation catalyst system (1993-01-12),
2. 5166116 - Carbonylation catalyst system (1992-11-24),
3. 5049672 - Complex-forming polymers and processes to prepare them (1991-09-17),
4. 4933455 - Lithiated bipyridyl compounds (1990-06-12),
5. 4910264 - Complex-forming polymers and processes to prepare them (1990-03-20),
6. 4873333 - Nitrogen-containing bidentate compound immobilized on a solid inorganic (1989-10-10),
7. 4873212 - Nitrogen-containing bidentate compound immobilized on a solid inorganic (1989-10-10),
8. 4814457 - Complex-forming polymers and processes to prepare them (1989-03-21),

Title: The Innovative Contributions of Johan Stapersma

Introduction

Johan Stapersma is a prominent inventor based in Amsterdam, Netherlands. He has made significant contributions to the field of chemical engineering, particularly in catalyst systems. With a total of 8 patents to his name, Stapersma has established himself as a key figure in innovation.

Latest Patents

One of his latest inventions is a carbonylation catalyst system. This system is designed to enhance the efficiency of carbonylation processes, which are crucial in the production of various chemicals. The innovative design of this catalyst system showcases Stapersma's commitment to advancing chemical engineering.

Career Highlights

Stapersma is currently employed at Shell Oil Company, where he applies his expertise in developing cutting-edge technologies. His work at Shell has allowed him to contribute to various projects that aim to improve energy efficiency and sustainability in the oil and gas industry.

Collaborations

Throughout his career, Stapersma has collaborated with notable colleagues, including Eit Drent and Petrus H Budzelaar. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of innovative solutions.

Conclusion

Johan Stapersma's contributions to the field of chemical engineering and his innovative patents reflect his dedication to advancing technology. His work continues to influence the industry and inspire future inventors.

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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