Growing community of inventors

San Gabriel, CA, United States of America

Franklin J Chang

Average Co-Inventor Count = 2.00

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 = 53

Franklin J ChangHenry Ping Chang (2 patents)Franklin J ChangFranklin J Chang (2 patents)Henry Ping ChangHenry Ping Chang (21 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (2 from 832,812 patents)

2. Chang, Franklin J. (0 patent)


2 patents:

1. 9186490 - Skin treatment device

2. 9044582 - Apparatus and method for transdermal fluid delivery

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idiyas.com
as of
12/19/2025
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