Average Co-Inventor Count = 2.86
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 (2 from 8,902 patents)
2. Essilor International (2 from 722 patents)
2 patents:
1. 11554539 - Photocurable composition for three-dimensional stereolithography and three-dimensional object
2. 11390017 - Method of manufacturing optical article and optical shaping apparatus