Average Co-Inventor Count = 4.29
ph-index = 1
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. 5856057 - Chromogenic sound recording film
2. 5536629 - Chromogenic black-and-white motion picture film
3. 5491053 - Chromogenic black-and-white motion picture film