Average Co-Inventor Count = 2.86
ph-index = 1
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. Epistar Corporation (1 from 1,221 patents)
2. Episil Technologies Inc. (1 from 26 patents)
2 patents:
1. 9153944 - Light-emitting array
2. 8237223 - Semiconductor device