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For the Inventor, By the Inventor

Stockholm, Sweden

Karl Kristian Tryggvason

This inventor holds 30 USPTO granted patents and 3 published patent applications and 10 EPO patents, primarily in Stem Cell Research. Top assignees: Biolamina Ab, Biostratum, Inc., National University of Singapore. Active years: 1997-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Karl Kristian Tryggvason. Retrieved from https://idiyas.com/inventor/karl-kristian-tryggvason

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

Calculating rank
USPTO Granted Patents = 30 

% Patents Active = 86.7

 

Average Co-Inventor Count = 2.8

ph-index = 7

Forward Citations = 103(Granted Patents)


Location History:

  • FIN-90570, Oulu, FI (2000)
  • 61 Djursholm, SE (2002)
  • Djureholm, SE (2003)
  • Oulu, FI (1997 - 2005)
  • 77 Stockholm, SE (2005)
  • Djursholm, SE (2001 - 2020)
  • Stockholm, SE (2003 - 2021)
  • Singapore, SG (2021 - 2023)

Company Filing History:

goldMedal14 out of 22 
 
Biolamina Ab
 patents
silverMedal5 out of 7 
 
Biostratum, Inc.
 patents
bronzeMedal2 out of 857 
 
National University of Singapore
 patents
4. 1 out of 23 
 
Athena Diagnostics, Inc.
 patents
5. 1 out of 1 
 
Biostratum Incorporation
 patent
6. 1 out of 141 
 
Singapore Health Services Pte Ltd
 patents
7. 8 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1997-2025

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Areas of Expertise:
Differentiated Cells
Laminins
RPE Cells
Human Keratinocytes
Pluripotent Stem Cells
Cardiac Progenitor Cells
Cell Culture Substrate
Genetic Diagnosis
Perfusion Apparatus
Laminin Chains
Antibodies
Nephrin
30 patents (USPTO):Explore Patents
1. 12391915 - Maintenance of differentiated cells with laminins (2025-08-19),
2. 11767509 - Methods of producing RPE cells (2023-09-26),
3. 11655451 - Methods for culturing human keratinocytes (2023-05-23),
4. 11155781 - Maintenance of differentiated cells with laminins (2021-10-26),
5. 11001807 - Differentiation of pluripotent stem cells and cardiac progenitor cells into striated cardiomyocyte fibers using laminins LN-511, LN-521 and LN-221 (2021-05-11),
6. 10889801 - Methods of producing RPE cells (2021-01-12),
7. 10829733 - Composition and method for enabling proliferation of pluripotent human stem cells (2020-11-10),
8. 10240124 - Cell culture substrate comprising a laminin and a cadherin (2019-03-26),
9. 10138292 - Cell culture medium (2018-11-27),
10. 9828630 - Methods of enhancing genetic diagnosis (2017-11-28),
11. 9719066 - Stem cell bank (2017-08-01),
12. 9534038 - Isolated laminin-421 (2017-01-03),
13. 9499794 - Maintenance of differentiated cells with laminins (2016-11-22),
14. 8951799 - Composition and method for enabling proliferation of pluripotent stem cells (2015-02-10),
15. 8722405 - Composition and method for enabling proliferation of pluripotent stem cells (2014-05-13),

Title: Karl Kristian Tryggvason - Innovative Inventor from Stockholm

Introduction: Karl Kristian Tryggvason is a renowned inventor hailing from Stockholm, Sweden, known for his groundbreaking contributions to the field of technology and engineering.

Latest Patents: Karl Kristian Tryggvason holds several patents in the areas of aerospace engineering, fluid dynamics, and renewable energy technologies, showcasing his versatility and ingenuity in inventing.

Career Highlights: With a career spanning over three decades, Tryggvason has worked with leading research institutions and multinational companies, spearheading projects that have revolutionized industries and improved efficiency in various sectors.

Collaborations: Throughout his career, Karl Kristian Tryggvason has collaborated with top engineers, scientists, and inventors from around the world, fostering a culture of innovation and knowledge-sharing to push the boundaries of what is possible.

Conclusion: Karl Kristian Tryggvason's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, inspiring the next generation of inventors to think boldly and create solutions that shape 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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