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. Fanuc Corporation (2 from 6,056 patents)
2 patents:
1. 4870744 - Tool exchange system for machining tools
2. 4745673 - Spindle head unit of a machining center