Growing community of inventors

Providence, RI, United States of America

Johnny T Chang

Average Co-Inventor Count = 3.00

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 = 44

Johnny T ChangWilliam Thomas McClellan (3 patents)Johnny T ChangScott Hyler Heneveld (2 patents)Johnny T ChangJohn F Krumme (2 patents)Johnny T ChangJohnny T Chang (3 patents)William Thomas McClellanWilliam Thomas McClellan (20 patents)Scott Hyler HeneveldScott Hyler Heneveld (57 patents)John F KrummeJohn F Krumme (32 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Figure 8 Surgical, Inc (3 from 4 patents)


3 patents:

1. 8974457 - Systems and methods for sternum repair

2. 8758348 - Systems and methods for sternum repair

3. 8460295 - Systems and methods for sternum repair

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as of
1/10/2026
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