Growing community of inventors

Bensalem, PA, United States of America

An-Chih Chang

Average Co-Inventor Count = 5.89

ph-index = 11

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 292

An-Chih ChangVirendra Kumar (19 patents)An-Chih ChangWei Yuan Zhang (18 patents)An-Chih ChangJohn J Farrar (17 patents)An-Chih ChangAlan L Maycock (16 patents)An-Chih ChangMichael Anthony Marella (13 patents)An-Chih ChangForrest Gaul (13 patents)An-Chih ChangLawrence I Kruse (10 patents)An-Chih ChangDiane L DeHaven-Hudkins (10 patents)An-Chih ChangAlan Cowan (5 patents)An-Chih ChangDeqi Guo (4 patents)An-Chih ChangImre Jim Balogh (2 patents)An-Chih ChangPhilip S Portoghese (1 patent)An-Chih ChangDiane L Dehaven-Hudkins (1 patent)An-Chih ChangAn-Chih Chang (22 patents)Virendra KumarVirendra Kumar (52 patents)Wei Yuan ZhangWei Yuan Zhang (23 patents)John J FarrarJohn J Farrar (24 patents)Alan L MaycockAlan L Maycock (26 patents)Michael Anthony MarellaMichael Anthony Marella (17 patents)Forrest GaulForrest Gaul (17 patents)Lawrence I KruseLawrence I Kruse (45 patents)Diane L DeHaven-HudkinsDiane L DeHaven-Hudkins (21 patents)Alan CowanAlan Cowan (9 patents)Deqi GuoDeqi Guo (20 patents)Imre Jim BaloghImre Jim Balogh (3 patents)Philip S PortoghesePhilip S Portoghese (23 patents)Diane L Dehaven-HudkinsDiane L Dehaven-Hudkins (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Adolor Corporation (20 from 69 patents)

2. University of Minnesota (1 from 2,304 patents)

3. Apolor Corp. (1 from 1 patent)


22 patents:

1. 7294647 - Kappa agonist compounds and pharmaceutical formulations thereof

2. 6960612 - Kappa agonist compounds, pharmaceutical formulations and method of prevention and treatment of pruritus therewith

3. 6391910 - Kappa agonist compounds and pharmaceutical formulations thereof

4. 6303611 - Kappa agonist compounds and pharmaceutical formulations thereof

5. 6180623 - Kappa agonist compounds, pharmaceutical formulations and method of prevention and treatment of pruritus therewith

6. 6156769 - Kappa agonist anti-pruritic pharmaceutical formulations and method of

7. 6057323 - Kappa agonist compounds pharmaceutical formulations and method of

8. 6054445 - Kappa agonist compounds pharmaceutical formulations and method of

9. 6048860 - Kappa agonist anti-pruritic pharmaceutical formulations and method of

10. 6028063 - Kappa agonist compounds, pharmaceutical formulations and method of

11. 6004964 - Kappa agonist anti-pruritic pharmaceutical formulaitons and method of

12. 5981513 - Kappa agonist compounds, pharmaceutical formulations and method of

13. 5945443 - Kappa agonist compounds and pharmaceutical formulations thereof

14. 5869521 - Kappa agonist anti-pruritic pharmaceutical formulations and method of

15. 5811078 - Spray formulations of antihyperalgesic opiates and method of treating

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12/5/2025
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