Average Co-Inventor Count = 11.00
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. Canon Kabushiki Kaisha (2 from 90,594 patents)
2 patents:
1. 5822389 - Alignment apparatus and SOR X-ray exposure apparatus having same
2. 5524131 - Alignment apparatus and SOR x-ray exposure apparatus having same