Average Co-Inventor Count = 2.14
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. Dainippon Screen Mfg. Co., Ltd. (3 from 1,306 patents)
2. Screen Holdings Co., Ltd. (1 from 1,121 patents)
3. Dainippon Screen Mgf. Co., Ltd. (1 from 7 patents)
5 patents:
1. 9721815 - Substrate processing apparatus and substrate processing method
2. 8646469 - Substrate treating apparatus
3. 8524009 - Substrate treating method
4. 8277569 - Substrate treating apparatus and substrate treating method
5. 7311781 - Substrate rotation type treatment apparatus