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. Hokkaido University (1 from 420 patents)
2. Institute of National Colleges of Technology, Japan (1 from 26 patents)
1 patent:
1. 8428218 - Dynamic tumor radiation treatment apparatus and program