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Kingsport, TN, United States of America

Ching H Chang

Average Co-Inventor Count = 6.00

ph-index = 3

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 = 64

Ching H Chang ↔ Charles H Foster (3 patents)Ching H Chang ↔ John C Hubbs (3 patents)Ching H Chang ↔ Cyril Y Bowers (3 patents)Ching H Chang ↔ Wayne Livingston Cody (3 patents)Ching H Chang ↔ Frank A Momany (3 patents)Ching H ChangChing H Chang (3 patents)Charles H FosterCharles H Foster (28 patents)John C HubbsJohn C Hubbs (24 patents)Cyril Y BowersCyril Y Bowers (22 patents)Wayne Livingston CodyWayne Livingston Cody (12 patents)Frank A MomanyFrank A Momany (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Eastman-kodak Company (2 from 21,594 patents)

2. Polygen Holding Corporation (1 from 2 patents)


3 patents:

1. 5534494 - Polypeptide compounds having growth hormone releasing activity

2. 4880778 - Combinations having synergistic growth hormone releasing activity and

3. 4839344 - Polypeptide compounds having growth hormone releasing activity

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as of
12/7/2025
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