Average Co-Inventor Count = 3.83
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. Fuji Photo Film Company, Limited (3 from 16,458 patents)
3 patents:
1. 5380637 - Silver halide photographic material
2. 4943727 - Radiographic intensifying screen
3. 4855191 - Radiation image converting material