Average Co-Inventor Count = 1.80
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. Eastman-kodak Company (3 from 21,594 patents)
3 patents:
1. 4605697 - Substituted sulfonamido compounds, photosensitive elements, film units,
2. 4258120 - Substituted sulfonamido compounds, photosensitive elements, film units,
3. 3970454 - Photographic developing agents