Average Co-Inventor Count = 3.75
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. Konica Corporation (1 from 3,106 patents)
2. Konishiroku Photo Industry Co., Ltd. (1 from 1,252 patents)
2 patents:
1. 4990432 - Silver halide photographic light-sensitive material having a reflective
2. 4939078 - Direct positive-type silver halide light-sensitive photographic material