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. Komatsu Corporation (1 from 2,736 patents)
2. The University of Tokyo (1 from 1,287 patents)
1 patent:
1. 12037906 - Tunnel boring machine, measurement method, and measurement system