For the Inventor, By the Inventor

Enter assignee name

Montreal, Canada

Ayerst, Mckenna & Harrison, Inc.

Calculating rank

USPTO Granted Patents = 117

Trademarks = 1

Forward Citations = 1,274

Loading Chart...

Loading Chart...

49 inventors (with patents filed for the assignee):

Leslie G Humber (30 out of 83 patents)

Ivo L Jirkovsky (24 out of 41 patents)

Jehan F Bagli (22 out of 41 patents)

4. Tibor Bogri (20 out of 30 patents)

5. Kazimir Sestanj (18 out of 31 patents)

6. Andre A Asselin (17 out of 27 patents)

7. Nedumparambil A Abraham (16 out of 28 patents)

8. Francesco Bellini (12 out of 16 patents)

9. Christopher A Demerson (12 out of 51 patents)

10. Thomas A Dobson (11 out of 22 patents)

11. Hans U Immer (9 out of 20 patents)

12. Wilbur Lippmann (9 out of 12 patents)

13. Adolf H Philipp (8 out of 10 patents)

14. Jean A Gauthier (8 out of 10 patents)

15. Adi Treasurywala (7 out of 7 patents)

Core Competencies:

Rapamycin

Naphthoylglycine

Aldose Reductase

Antidepressant Compositions

Dopamine Methods

Neuroleptics

Tricyclic Derivatives

Carba Decapeptide

Thioxobenz Indole

Cyclohepta Pyridine

Analgesic Compositions

Fused Pyrone

117 patents: Sort by Forward Citations

1. 5206018 - Use of rapamycin in treatment of tumors (1993-04-27),

2. 4946987 - N-naphthoylglycine derivatives (1990-08-07),

3. 4705882 - N-naphthoylglycine derivatives (1987-11-10),

4. 4604406 - N-[6-methoxy-5-(perfluoroalkyl)-1-naphtholyl]-N-methylglycines and their (1986-08-05),

5. 4600724 - N-naphthoylglycine derivatives (1986-07-15),

6. 4568693 - N-Naphthoylglycine derivatives (1986-02-04),

7. 4522946 - Dioxy hexahydrobenzo[6,7]cyclohepta[1,2,3-de]isoquinoline derivatives (1985-06-11),

8. 4521534 - Imidazo[2,1-a]pyrrolo[2,1-c][1,4]benzodiazepine derivatives, methods of (1985-06-04),

9. 4521423 - 7,8,9,10-Tetrahydrobenzo[h]quinolin-9-amine derivatives and compositions (1985-06-04),

10. 4510157 - 6,7,8,9-Tetrahydro-1H-benz(g)indol-8-amine derivatives (1985-04-09),

11. 4499310 - 5-Methyl-1-(trifluoromethyl)-2-naphthalenol, process for its preparation (1985-02-12),

12. 4492697 - 4H-Imidazo[2,3-c]pyrido[2,3-e][1,4]oxazine derivatives (1985-01-08),

13. 4470990 - 6,7,8,9-Tetrahydronaphtho(1,2-B)furan-8-amine derivatives and their use (1984-09-11),

14. 4469695 - 2-(4-Hydroxyalkyl-1-piperazinyl)-2,4,6-cycloheptatrien-1-one derivatives (1984-09-04),

15. 4469694 - 2-(1-Piperazinyl)-2,4,6-cycloheptatrien-1-one derivatives (1984-09-04),

Company Overview

Ayerst, McKenna & Harrison, Inc. is a Montreal-based company specializing in the development and manufacturing of pharmaceutical derivatives. The organization focuses on innovative therapeutic solutions, particularly in the fields of neuropharmacology and metabolic disorders. Key areas of research include rapamycin, naphthoylglycine, and aldose reductase inhibitors, alongside advancements in antidepressant compositions and dopamine modulation. Ayerst is dedicated to enhancing treatment options through its expertise in tricyclic derivatives and neuroleptics.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

117 Patents

#8 in Montreal

#108 in Canada

#6,803 in the World

Montreal, Canada

Ayerst, Mckenna & Harrison, Inc.

Forward Citations = 1,274

49 inventors:

Leslie G Humber (30 out of 83 patents)

Ivo L Jirkovsky (24 out of 41 patents)

Jehan F Bagli (22 out of 41 patents)

4. Tibor Bogri (20 out of 30 patents)

5. Kazimir Sestanj (18 out of 31 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ayerst, Mckenna & Harrison, Inc.. Retrieved from https://idiyas.com/company/ayerst-mckenna-and-harrison

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]

Loading…