Average Co-Inventor Count = 5.46
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. Konishiroku Photo Industry Co., Ltd. (2 from 1,252 patents)
2. Hokuetsu Paper Mills, Ltd. (1 from 10 patents)
2 patents:
1. 4118231 - Light-sensitive silver halide photographic materials containing
2. 3988158 - Process for antistatic treatment of light-sensitive silver halide