Average Co-Inventor Count = 4.00
ph-index = 4
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 (4 from 21,594 patents)
4 patents:
1. 4552825 - Phosphorous diketonate electron accepting ring compounds as sensitizers
2. 4496730 - Phosphorous diketonate electron accepting ring compounds as sensitizers
3. 4394428 - Photoconductive composition and elements comprising two different
4. 4329284 - 1,2-Oxachalcogenol-1-ium salts