Average Co-Inventor Count = 3.27
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. (3 from 42,494 patents)
3 patents:
1. 10688665 - Robot system, and control method
2. 10583982 - Shelf transport system, shelf transport vehicle, and shelf transport method
3. 9802310 - Mobile robot estimating own position using a class-based own-position estimation unit