Average Co-Inventor Count = 4.00
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. University of California (1 from 15,557 patents)
2. Hamamatsu-Photonics K.k. (1 from 2,957 patents)
1 patent:
1. 8080806 - Electron tube