Average Co-Inventor Count = 3.82
ph-index = 3
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. 6062852 - Substrate heat-treating apparatus
2. 6051101 - Substrate processing apparatus, substrate transport apparatus and
3. 5846327 - Substrate spin treating apparatus