Average Co-Inventor Count = 3.91
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. Mitsubishi Paper Mills Limited (3 from 622 patents)
3 patents:
1. 6869743 - Method of processing light-sensitive material
2. 6497926 - Method of producing information recording material
3. 6478483 - Apparatus for processing photosensitive material