Average Co-Inventor Count = 6.00
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. Fujitsu Corporation (1 from 39,228 patents)
2. A. Aoki & Associates (1 from 5 patents)
2 patents:
1. 4547895 - Pattern inspection system
2. 4392120 - Pattern inspection system