Average Co-Inventor Count = 3.83
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. Screen Holdings Co., Ltd. (3 from 1,121 patents)
3 patents:
1. 11670523 - Substrate processing apparatus
2. 11569104 - Substrate processing apparatus and substrate processing method
3. 9607844 - Substrate processing method and substrate processing apparatus