Average Co-Inventor Count = 3.33
ph-index = 3
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. Minnesota Mining and Manufacturing Company (3 from 7,865 patents)
3 patents:
1. 5041550 - Infra-red sensitizing dyes for silver halide
2. 4959294 - Infra-red sensitising dyes for silver halide
3. 4818663 - Photographic materials and color proofing system