Average Co-Inventor Count = 3.00
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. National Science Council (1 from 544 patents)
1 patent:
1. 6459103 - Negative-differential-resistance heterojunction bipolar transistor with topee-shaped current-voltage characteristics