Average Co-Inventor Count = 3.12
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. (4 from 1,306 patents)
4 patents:
1. 7665415 - Substrate processing apparatus
2. 7525650 - Substrate processing apparatus for performing photolithography
3. 6790286 - Substrate processing apparatus
4. 6790287 - Substrate processing apparatus, substrate inspection method and substrate processing system