Average Co-Inventor Count = 3.60
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. Other (3 from 832,812 patents)
3 patents:
1. 7226235 - Joint for joining two coaxial shafts
2. 6786834 - Joint optionally usable to form a jointed golf club
3. 6271840 - Graphical search engine visual index