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. Tokuyama Corporation (1 from 504 patents)
2. Tokyo University of Agriculture and Technology (1 from 130 patents)
1 patent:
1. 9691942 - Single-cystalline aluminum nitride substrate and a manufacturing method thereof