For the Inventor, By the Inventor

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Rancho Cucamonga, CA, United States of America

Amphastar Pharmaceuticals, Inc.

USPTO Granted Patents = 25

% Expired Patents = 8.0

CIPO Patents = 3

EPO Patents = 5

Trademarks = 13

Forward Citations = 187

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45 inventors (with patents filed for the assignee):

Jack Yongfeng Zhang (18 out of 24 patents)

Mary Ziping Luo (9 out of 17 patents)

Mary Zi-Ping Luo (6 out of 6 patents)

4. Frank Zhishi Xia (5 out of 9 patents)

5. Aili Bo (4 out of 5 patents)

6. Jie Fei Ding (4 out of 4 patents)

7. Jeffrey Ding (3 out of 4 patents)

8. Rong Zhou (3 out of 3 patents)

9. Mary Zi-ping Luo (3 out of 3 patents)

10. Ying Wang (3 out of 3 patents)

11. Ray Lameng Lei (3 out of 3 patents)

12. Yonggang Xu (2 out of 5 patents)

13. Song Chen (2 out of 12 patents)

14. Haoning Zhang (2 out of 12 patents)

15. Sankaram B Mantripragada (2 out of 7 patents)

25 patents: Sort by Forward Citations

1. 12642779 - Albuterol aerosol suspension formulation for oral inhalation with high amount of green propellant hydrofluoroolefin (HFO) and free of co-solvent (2026-06-02),

2. 12564562 - Injectable epinephrine formulations demonstrating stability over time (2026-03-03),

3. 12508229 - METHOD FOR PREPARING STABLE PEPTIDE FORMULATIONS (2025-12-30),

4. 12496272 - Stable epinephrine suspension formulation for inhalation with HFO propellant (2025-12-16),

5. 12383516 - Albuterol aerosol suspension formulation for oral inhalation with high amount of green propellant hydrofluoroolefin (HFO) and free of co-solvent (2025-08-12),

6. 12370241 - Nasal powder formulation for treatment of hypoglycemia (2025-07-29),

7. 12226456 - Nasal powder formulation for treatment of hypoglycemia (2025-02-18),

8. 11938089 - Medication delivery systems and methods (2024-03-26),

9. 11726049 - Small angle x-ray scattering methods for characterizing the iron core of iron carbohydrate colloid drug products (2023-08-15),

10. 11524987 - Highly purified recombinant human insulin (RHI) API and methods of producing the same (2022-12-13),

11. 10406210 - High-purity inhalable particles of insulin and insulin analogues, and high-efficiency methods of manufacturing the same (2019-09-10),

12. 10322168 - High-purity inhalable particles of insulin and insulin analogues, and high-efficiency methods of manufacturing the same (2019-06-18),

13. 10287249 - Methods of resolving racemic mixture to obtain (−)-huperzine A (2019-05-14),

14. 10258573 - Micronized insulin and micronized insulin analogues prepared under acidic conditions, and methods of manufacturing the same under acidic conditions (2019-04-16),

15. 9873712 - Method of purifying idraparinux sodium (2018-01-23),

Amphastar Pharmaceuticals, Inc. is a specialty pharmaceutical company that focuses on the development, manufacturing, and marketing of generic and proprietary injectable and inhalation products. They are dedicated to providing high-quality, cost-effective solutions to meet various healthcare needs. With a diverse product portfolio, Amphastar aims to improve patient outcomes and enhance the overall healthcare system.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

25 Patents

#7 in Rancho Cucamonga, CA

#3,146 in California

#13,324 in US

#25,627 in the World

Rancho Cucamonga, CA, United States of America

Amphastar Pharmaceuticals, Inc.

Forward Citations = 187

45 inventors:

Jack Yongfeng Zhang (18 out of 24 patents)

Mary Ziping Luo (9 out of 17 patents)

Mary Zi-Ping Luo (6 out of 6 patents)

4. Frank Zhishi Xia (5 out of 9 patents)

5. Aili Bo (4 out of 5 patents)

Please report any incorrect information to [email protected]

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