Average Co-Inventor Count = 2.76
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. Dainippon Screen Mfg. Co., Ltd. (4 from 1,306 patents)
4 patents:
1. 8043468 - Apparatus for and method of processing substrate
2. 7541285 - Substrate processing apparatus and substrate processing method
3. 7422681 - Substrate treating apparatus
4. 7243911 - Substrate treating apparatus