Average Co-Inventor Count = 3.94
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. (3 from 1,306 patents)
2. Screen Holdings Co., Ltd. (2 from 1,121 patents)
3. Sokudo Co., Ltd. (1 from 58 patents)
6 patents:
1. 9687886 - Substrate processing apparatus
2. 9059221 - Substrate processing method and substrate processing apparatus
3. 8286576 - Substrate processing apparatus
4. 7926439 - Substrate processing apparatus
5. 7105074 - Substrate treating method and apparatus
6. 6692165 - Substrate processing apparatus