Growing community of inventors

Freeport, Bahamas

Vincent H Chang

Average Co-Inventor Count = 4.44

ph-index = 2

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 = 73

Vincent H ChangJohn D McDermed (3 patents)Vincent H ChangAnjaneyulu S Tadepalli (3 patents)Vincent H ChangKevin P Hurley (3 patents)Vincent H ChangHarold S Freeman (1 patent)Vincent H ChangMichael H Cain (1 patent)Vincent H ChangKimberly Ann Allen (1 patent)Vincent H ChangHenning Bo Petersen (1 patent)Vincent H ChangPreben Ahrndt (1 patent)Vincent H ChangVincent H Chang (4 patents)John D McDermedJohn D McDermed (6 patents)Anjaneyulu S TadepalliAnjaneyulu S Tadepalli (5 patents)Kevin P HurleyKevin P Hurley (3 patents)Harold S FreemanHarold S Freeman (7 patents)Michael H CainMichael H Cain (2 patents)Kimberly Ann AllenKimberly Ann Allen (2 patents)Henning Bo PetersenHenning Bo Petersen (1 patent)Preben AhrndtPreben Ahrndt (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Burroughs Wellcome Co. (3 from 521 patents)

2. Novo Nordiskials (1 from 1 patent)


4 patents:

1. 5958951 - Modified form of the

2. 5405872 - Anti-hypertensive tetralins

3. 5194450 - Anti-hypertensive sulfonanilides

4. 5102914 - Antihypertensive sulfonanilides

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1/23/2026
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