Average Co-Inventor Count = 3.00
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. Itoh Denki Company, Limited (3 from 49 patents)
3 patents:
1. 10301123 - Transfer device
2. 10053300 - Transfer device
3. 9676563 - Transfer apparatus