Average Co-Inventor Count = 2.53
ph-index = 3
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. Dainippon Screen Mfg. Co., Ltd. (3 from 1,306 patents)
2. Screen Holdings Co., Ltd. (1 from 1,121 patents)
4 patents:
1. 10910235 - Substrate treating apparatus and substrate treating method
2. 8127391 - Subtrate treatment apparatus
3. 5881876 - Method and vessel for storing a substrate cleaning brush
4. 5601645 - Substrate holder for a substrate spin treating apparatus