Average Co-Inventor Count = 5.00
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. Shin-Etsu Handotai Co., Ltd. (1 from 1,099 patents)
1 patent:
1. 5514881 - Gap light emitting device having a low carbon content in the substrate