Average Co-Inventor Count = 4.00
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. Cdk Corporation (1 from 7 patents)
2. Ckd Kabushiki Kaisha (Ckd Corporation) (1 from 1 patent)
2 patents:
1. 5473971 - Rodless cylinder
2. D317922 - Rodless cylinder