Average Co-Inventor Count = 2.00
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. Dupont Photomasks, Inc. (1 from 38 patents)
1 patent:
1. 6899981 - Photomask and method for detecting violations in a mask pattern file using a manufacturing rule