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Leiden, Netherlands

Leiden University

USPTO Granted Patents = 60

% Expired Patents = 33.3

EPO Patents = 34

Forward Citations = 235

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141 inventors (with patents filed for the assignee):

Thomas Hankemeier (11 out of 12 patents)

Paul Vulto (10 out of 14 patents)

Gilles Philippus Van Wezel (6 out of 7 patents)

4. Sebastiaan Johannes Trietsch (5 out of 11 patents)

5. Heiko Jan Van Der Linden (4 out of 4 patents)

6. Herman Steven Overkleeft (4 out of 6 patents)

7. Adriaan Pieter Ijzerman (4 out of 5 patents)

8. Jan-Willem Schoonen (3 out of 3 patents)

9. Peter Lindenburg (3 out of 3 patents)

10. Johannes Brussee (3 out of 4 patents)

11. Erica Van Tilburg (3 out of 3 patents)

12. Ad Ijzerman (3 out of 3 patents)

13. Michael Keith Richardson (3 out of 3 patents)

14. Frans Snik (2 out of 2 patents)

15. Christoph Ulrich Keller (2 out of 2 patents)

Core Competencies:

DNA Analysis

Bioactive Peptides

Metabolic Engineering

Cell Classification

Cancer Prodrugs

Superconductors

Microfluidics

Plant Transfection

Raman Spectroscopy

Liquid Manipulation

Nanoparticle Preparation

Biomarkers

60 patents: Sort by Forward Citations

1. 12642011 - Junction, device and methods of fabrication (2026-05-26),

2. 12618801 - System and method for presenting large DNA molecules for analysis (2026-05-05),

3. 12504408 - Apparatus comprising a guard column (2025-12-23),

4. 12429425 - Compressive Raman classification of cells using a neural network for optical filter design and cell classification (2025-09-30),

5. 12209979 - Fabricating thin film liquid cells (2025-01-28),

6. 12072322 - Method for matrix effect correction in quantitative mass spectrometric analysis of analytes in complex matrices (2024-08-27),

7. 12037372 - Bioactive peptides derived from snakes (2024-07-16),

8. 12016918 - Peptide-containing adjuvant compounds having peg spacers (2024-06-25),

9. 11680088 - Bioactive peptides derived from snakes (2023-06-20),

10. 11525140 - Methods for transfecting plants and for reducing random integration events (2022-12-13),

11. 11504645 - Two-phase electroextraction from moving phases (2022-11-22),

12. 11378513 - Apparatus and method for determining presence of a gas (2022-07-05),

13. 11344877 - Capillary pressure barriers (2022-05-31),

14. 11208667 - Means and methods for regulating secondary metabolite production in plants (2021-12-28),

15. 10900008 - Apparatuses for and methods of processing cells and related structures (2021-01-26),

Company Overview

Leiden University, located in the Netherlands, is a prominent institution specializing in biotechnology innovations. The university focuses on advanced research in areas such as DNA analysis, bioactive peptides, and metabolic engineering. Its expertise extends to cell classification, cancer prodrugs, superconductors, microfluidics, and plant transfection. By fostering interdisciplinary collaboration, Leiden University contributes significantly to the development of cutting-edge biotechnological solutions that address complex biological challenges.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

60 Patents

#3 in Leiden

#138 in Netherlands

#12,094 in the World

Leiden, Netherlands

Leiden University

Forward Citations = 235

141 inventors:

Thomas Hankemeier (11 out of 12 patents)

Paul Vulto (10 out of 14 patents)

Gilles Philippus Van Wezel (6 out of 7 patents)

4. Sebastiaan Johannes Trietsch (5 out of 11 patents)

5. Heiko Jan Van Der Linden (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Leiden University. Retrieved from https://idiyas.com/company/leiden-university

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

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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