Average Co-Inventor Count = 3.75
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. Kayaba Industry Company, Ltd. (2 from 308 patents)
2 patents:
1. 7841846 - Vane pump with improved internal port placement
2. 7575420 - Vane pump