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. Topcon Corporation (1 from 524 patents)
1 patent:
1. 7648237 - Device for installing suction jig for eyeglass lens and method for determining suction jig installation position