Average Co-Inventor Count = 1.71
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. Psk Inc. (2 from 29 patents)
2 patents:
1. 9779918 - Substrate treating apparatus and method
2. 9508541 - Apparatus and method for treating substrate