Average Co-Inventor Count = 3.82
ph-index = 3
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. Sony Corporation (3 from 58,129 patents)
3 patents:
1. 6580188 - Moving apparatus with drive force assist mechanism and movement control method
2. 6247548 - Moving apparatus with drive power assisting device and movement controlling method
3. 5754025 - Iron core motor device