Average Co-Inventor Count = 3.00
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. 7292909 - Substrate processing apparatus and management method
2. 5307109 - Method and apparatus for processing photosensitive material
3. 5274419 - Camera and photosensitive material feed unit useful therefor