Average Co-Inventor Count = 5.00
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. Ebara Corporation (1 from 2,508 patents)
1 patent:
1. 7347663 - Abrasion resistant surface treatment method of a rotary member, runner, and fluid machine having runner