Average Co-Inventor Count = 3.27
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)
3 patents:
1. 7413628 - Substrate treatment method and substrate treatment apparatus
2. 7241362 - Substrate treatment method and substrate treatment apparatus
3. 7018555 - Substrate treatment method and substrate treatment apparatus