Average Co-Inventor Count = 1.00
ph-index = NA
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 (5,290 patents)
2. Fujikura Limited (1,801 patents)
3. Osaka Prefecture University Public Corporation (75 patents)
4. National University Corporation Shimane University (0 patent)
0 patent: