Average Co-Inventor Count = 7.47
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. Hitachi, Ltd. (2 from 42,485 patents)
2 patents:
1. 11651671 - Motion evaluation system, motion evaluation device, and motion evaluation method
2. 11071495 - Movement evaluation system and method