For the Inventor, By the Inventor

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Kalamazoo, MI, United States of America

The Upjohn Co.

USPTO Granted Patents = 2,170

Forward Citations = 14,554

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654 inventors (with patents filed for the assignee):

John C Sih (259 out of 264 patents)

Gordon L Bundy (133 out of 140 patents)

Norman A Nelson (119 out of 120 patents)

4. Herman W Smith (75 out of 77 patents)

5. Roy A Johnson (72 out of 75 patents)

6. Robert C Kelly (54 out of 78 patents)

7. Ernest W Yankee (46 out of 47 patents)

8. Jackson B Hester, Jr (45 out of 64 patents)

9. Udo F Axen (44 out of 44 patents)

10. Barney J Magerlein (42 out of 42 patents)

11. John M McCall (39 out of 46 patents)

12. Jacob Szmuszkovicz (37 out of 39 patents)

13. Walter Morozowich (36 out of 53 patents)

14. Wendell Wierenga (33 out of 33 patents)

15. John B Wright (32 out of 32 patents)

Core Competencies:

Aqueous Prolonged Release Formulation

Therapeutically Useful Derivatives

Phenyloxazolidinones

Dopamine Receptors

Somatotropin Analogs

Anti-Inflammatory Agents

Antiparasitic Compositions

K-Channel Blockers

Anti-AIDS Pharmaceuticals

Anxiety Treatment

Cancer Treatment

Antimicrobial Compounds

2,170 patents: Sort by Forward Citations

1. 6699490 - Aqueous prolonged release formulation (2004-03-02),

2. 6331636 - Therapeutically useful 2-aminotetralin derivatives (2001-12-18),

3. 6166056 - Phenyloxazolidinones having a C-C bond to 4-8 membered heterocyclic rings (2000-12-26),

4. 6008253 - Use of 3-guanidinopropionic acid to increase endurance, stamina and (1999-12-28),

5. 5721132 - Synthetic gene for D4 dopamine receptors (1998-02-24),

6. 5663305 - Somatotropin analogs (1997-09-02),

7. 5650427 - Centrally acting 6,7,8,9-tetrahydro-3H-benz(e) indole heterocyclics (1997-07-22),

8. 5643942 - Methods, composition and solutions for treating alopecia (1997-07-01),

9. 5643940 - Dioxapyrrolomycin as an antiparasitic agent and compositions useful (1997-07-01),

10. 5643895 - Phosphonoacetic esters and acids as anti-inflammatories (1997-07-01),

11. 5635495 - Pyrimidine bisphosphonate esters and (alkoxymethylphosphinyl)alkyl (1997-06-03),

12. 5633374 - Pyrimidine, cyanoguanidines as K-channel blockers (1997-05-27),

13. 5631227 - Somatotropin analogs (1997-05-20),

14. 5622845 - Fermentation method for producing norleucine (1997-04-22),

15. 5621123 - Cyclic hydrocarbons with an aminoalkyl sidechain (1997-04-15),

The Upjohn Company, founded in 1886, is a global pharmaceutical company dedicated to improving the health and well-being of people around the world. With a focus on innovative research and development, Upjohn develops and delivers high-quality medicines, treatment solutions, and medical products in various therapeutic areas. Committed to making a positive impact, Upjohn strives to enhance patient lives by providing access to affordable healthcare solutions. Visit their website for more information.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

2,170 Patents

#2 in Kalamazoo, MI

#14 in Michigan

#222 in US

#450 in the World

Kalamazoo, MI, United States of America

The Upjohn Co.

Forward Citations = 14,554

654 inventors:

John C Sih (259 out of 264 patents)

Gordon L Bundy (133 out of 140 patents)

Norman A Nelson (119 out of 120 patents)

4. Herman W Smith (75 out of 77 patents)

5. Roy A Johnson (72 out of 75 patents)

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