Average Co-Inventor Count = 5.00
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. Tsubakimoto Chain Company (1 from 906 patents)
1 patent:
1. 8136339 - Oil-impregnated bushing, oil-free chain and method for manufacturing oil-impregnated bushing