Average Co-Inventor Count = 3.75
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. Tsubakimoto Chain Company (2 from 906 patents)
2 patents:
1. 6514184 - Rotating tool pot chain
2. 6428454 - Tool pot separation type chain