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. Nikon Corporation (3 from 8,898 patents)
3 patents:
1. 10768341 - Optical material, optical element and method for manufacturing same
2. 10012768 - Optical material, optical element, and method for manufacturing same
3. 9310520 - Optical material, optical element, and method for manufacturing same