Average Co-Inventor Count = 2.00
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. Koyo Seiko Company, Ltd. (2 from 772 patents)
2 patents:
1. 6556026 - Fluid dynamic bearing evaluating method capable of quantitatively evaluating clearance between rotating member and fixed member in operation
2. 6505970 - Thrust dynamic pressure bearing