Average Co-Inventor Count = 4.61
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. Eastman-kodak Company (3 from 21,594 patents)
3 patents:
1. 4315986 - Photographic emulsions and elements capable of forming direct-positive
2. 4306016 - Photographic emulsions and elements capable of forming direct-positive
3. 4306017 - Photographic emulsions and elements capable of forming direct-positive