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Helsingborg, Sweden

Aktiebolaget Leo

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USPTO Granted Patents = 29

Forward Citations = 830

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35 inventors (with patents filed for the assignee):

Hans Jacob Fex (12 out of 12 patents)

Bertil Hogberg (7 out of 7 patents)

Torsten Rune Perklev (6 out of 6 patents)

4. Sten Gunnar Veige (6 out of 6 patents)

5. Bo Fredholm (5 out of 5 patents)

6. Edgar Eriksoo (5 out of 6 patents)

7. Krister A Holmberg (4 out of 16 patents)

8. Imre Konyves (4 out of 4 patents)

9. Bertil Hansen (4 out of 4 patents)

10. Sten K Kristensson (4 out of 5 patents)

11. Knut Bertil Hogberg (3 out of 3 patents)

12. Anders Robert Stamvik (3 out of 3 patents)

13. Anders R Stamvik (3 out of 4 patents)

14. Jan E Lilja (2 out of 14 patents)

15. Sven E Nilsson (2 out of 6 patents)

Core Competencies:

Pharmaceuticals

Controlled-Release

Antidepressants

N-Nitroso Compounds

Steroid Esters

Heterocyclic Carboxamides

Polycyclic Amines

Cortical Steroid

Acylation Process

Medicinal Compositions

Phenolic Compounds

Piperazinecarboxamides

29 patents: Sort by Forward Citations

1. 4936687 - Mixing apparatus and method (1990-06-26),

2. 4927423 - Connector and a disposable assembly utilizing said connector (1990-05-22),

3. 4871543 - Intravaginal devices (1989-10-03),

4. 4824678 - Controlled-release medical preparations (1989-04-25),

5. 4778789 - Piperazinecarboxamides having a phenoxyalkyl or thiophenoxyalkyl side (1988-10-18),

6. 4654197 - Cuvette for sampling and analysis (1987-03-31),

7. 4613695 - N-nitroso compounds and compositions containing such compounds (1986-09-23),

8. 4592869 - Selective acylation process (1986-06-03),

9. 4579858 - Smoking substitutes for nasal administration-I (1986-04-01),

10. 4547511 - Heterocyclic carboxamides, compositions containing such compounds, (1985-10-15),

11. 4249003 - Process for polycyclic amines (1981-02-03),

12. 4249002 - Polycyclic amines and intermediates therefor (1981-02-03),

13. 4181669 - Steroid esters preparation (1980-01-01),

14. 4180504 - Method for the preparation of esters (1979-12-25),

15. 4177269 - Novel 17-esters of 17.alpha.-hydroxy gestogens, compositions containing (1979-12-04),

Company Overview

Aktiebolaget Leo, headquartered in Helsingborg, Sweden, is a global leader in dermatology and specialty care. The company is dedicated to developing innovative treatments for skin diseases, focusing on conditions such as psoriasis and eczema. With a strong emphasis on research and development, Aktiebolaget Leo leverages advanced technology and scientific expertise to enhance patient outcomes. Its commitment to improving healthcare is evident through collaborations and a robust pipeline of therapeutic solutions tailored to meet diverse patient needs.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

29 Patents

#1 in Helsingborg

#231 in Sweden

#22,581 in the World

Helsingborg, Sweden

Aktiebolaget Leo

Forward Citations = 830

35 inventors:

Hans Jacob Fex (12 out of 12 patents)

Bertil Hogberg (7 out of 7 patents)

Torsten Rune Perklev (6 out of 6 patents)

4. Sten Gunnar Veige (6 out of 6 patents)

5. Bo Fredholm (5 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Aktiebolaget Leo. Retrieved from https://idiyas.com/company/aktiebolaget-leo

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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