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.
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