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Soborg, Denmark

A/s Ferrosan

USPTO Granted Patents = 41

Forward Citations = 441

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31 inventors (with patents filed for the assignee):

Frank Watjen (21 out of 57 patents)

Mogens Engelstoft (16 out of 29 patents)

John Bondo Hansen (7 out of 40 patents)

4. Leif H Jensen (7 out of 23 patents)

5. Jorgen Drejer (6 out of 28 patents)

6. Poul Jacobsen (5 out of 28 patents)

7. Flemming E Nielsen (5 out of 27 patents)

8. Tage Honore (5 out of 13 patents)

9. Holger C Hansen (5 out of 24 patents)

10. Palle Jakobsen (4 out of 37 patents)

11. Joergen A Christensen (4 out of 4 patents)

12. Jorgen A Christensen (4 out of 4 patents)

13. Claus T Braestrup (3 out of 11 patents)

14. Jorgen B Lassen (3 out of 3 patents)

15. Per Sauerberg (2 out of 99 patents)

Core Competencies:

Piperidine

Heterocyclic Compounds

Imidazoquinoxaline

Benzodiazepine

Oxadiazolyl

Tricyclic Compounds

Carbolin Derivatives

Psychopharmaceuticals

Glutamate

Calcium Overload

Pain Treatment

Obesity

41 patents: Sort by Forward Citations

1. 5010077 - .beta.-carbolin-3-carboxylic acid derivatives useful for treating (1991-04-23),

2. 4999354 - Imidazoquinoxaline compounds and their preparation and use (1991-03-12),

3. 4985446 - Piperidine compounds and pharmaceutical compositions thereof (1991-01-15),

4. 4977155 - 1,2,3-triazolo compounds (1990-12-11),

5. 4970232 - Aryloxyphenylpropylamines and their preparation and use (1990-11-13),

6. 4968682 - Imidazoquinoxaline compounds and their preparation and use (1990-11-06),

7. 4962122 - Aryloxyphenylpropylamines and their preparation and use (1990-10-09),

8. 4948794 - Cycloalkyl or benzyl-6-substituted-quinoxalinediones (1990-08-14),

9. 4933353 - Lipophilically-substituted piperidine oxadiazolyl compounds and their (1990-06-12),

10. 4912108 - Pyridoquinoxaline compounds and their preparation and use as glutamate (1990-03-27),

11. 4902686 - Tricyclic heterocyclic compounds and their use in treating benzodiazepin (1990-02-20),

12. 4889855 - Heterocyclic compounds and their preparation and use (1989-12-26),

13. 4886797 - Heterocyclic compounds and their preparation and use (1989-12-12),

14. 4880799 - Heterocyclic compounds and their preparation and use (1989-11-14),

15. 4877799 - Method of treating calcium overload in brain cells of mammals (1989-10-31),

Company Overview

A/s Ferrosan, headquartered in Soborg, Denmark, specializes in the development and manufacturing of innovative psychopharmaceuticals. The company focuses on a range of advanced chemical compounds, including beta-carbolin derivatives, imidazoquinoxaline compounds, and benzodiazepine derivatives, among others. Ferrosan's research emphasizes the modulation of glutamate and the exploration of various heterocyclic compounds, positioning it as a key player in the pharmaceutical landscape, particularly in the realm of mental health treatments.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

41 Patents

#3 in Soborg

#82 in Denmark

#16,706 in the World

Soborg, Denmark

A/s Ferrosan

Forward Citations = 441

31 inventors:

Frank Watjen (21 out of 57 patents)

Mogens Engelstoft (16 out of 29 patents)

John Bondo Hansen (7 out of 40 patents)

4. Leif H Jensen (7 out of 23 patents)

5. Jorgen Drejer (6 out of 28 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: A/s Ferrosan. Retrieved from https://idiyas.com/company/a-s-ferrosan

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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