Average Co-Inventor Count = 9.29
ph-index = 2
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. Jtekt Corporation (5 from 2,421 patents)
5 patents:
1. D1042244 - Wheelchair
2. D1027741 - Wheelchair
3. D1027742 - Wheelchair
4. D960381 - Orthosis
5. D958374 - Motion assisting device