Average Co-Inventor Count = 4.07
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. Ihi Corporation (4 from 1,140 patents)
4 patents:
1. 10538402 - Belt-form body conveyor
2. 10538403 - Belt-form body conveyor
3. 9914610 - Tension control device and conveying device
4. 9862560 - Tension control device