Average Co-Inventor Count = 4.86
ph-index = 2
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 8,902 patents)
3 patents:
1. 11786118 - Image display device and image display system
2. 5891806 - Proximity-type microlithography apparatus and method
3. 4965630 - Projection exposure apparatus