Average Co-Inventor Count = 21.01
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. Nippon Telegraph and Telephone Corporation (1 from 5,289 patents)
1 patent:
1. 10243664 - Optical modulator driver circuit and optical transmitter