Average Co-Inventor Count = 4.00
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. Hoya Corporation (1 from 2,529 patents)
1 patent:
1. 8256893 - Holding structures for spectacle lenses, spectacles, and method of manufacturing spectacles