Average Co-Inventor Count = 2.53
ph-index = 4
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. Konishiroku Photo Industry Co., Ltd. (4 from 1,252 patents)
4 patents:
1. 4942121 - Silver halide photographic light-sensitive material
2. 4863840 - Silver halide color photographic light-sensitive material comprising a
3. 4837143 - Silver halide photographic light-sensitive material
4. 4640889 - Light-sensitive silver halide multi-layer color photographic material