Average Co-Inventor Count = 5.00
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. Toppan Photomasks, Inc. (2 from 17 patents)
2 patents:
1. 7531275 - Photomask assembly and method for protecting the same from contaminants generated during a lithography process
2. 7094505 - Photomask assembly and method for protecting the same from contaminants generated during a lithography process