Average Co-Inventor Count = 1.89
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. 5248583 - Negative single sheet color proofing system based on aqueous developable
2. 4885225 - Color proof with non-blocking thermal adhesive layer with particulate
3. 4666817 - Presensitized diazo color-proofing sheet with particular sized pigments