Average Co-Inventor Count = 1.33
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. Other (1 from 832,880 patents)
2. Nikon Corporation (1 from 8,898 patents)
2 patents:
1. 6762399 - Shape measurement device
2. 6760115 - Carrier shape measurement device