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. Gunma University (1 from 113 patents)
2. Fujikura Kasei Co., Ltd. (1 from 52 patents)
1 patent:
1. 9463608 - Frictional-force variable compact and frictional-force variable structure