Average Co-Inventor Count = 2.67
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 (2 from 2,532 patents)
2 patents:
1. 6605361 - Coating composition for lenses and method for producing the same
2. 6306513 - Optical element having cured film