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. Agency of Industrial Science and Technology Ministry of International (1 from 172 patents)
1 patent:
1. 5763340 - Method for production of SiO.sub.2 glass material having regions changed