Average Co-Inventor Count = 3.20
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 (4 from 21,597 patents)
4 patents:
1. 5271978 - Optical recording media
2. 5196294 - Erasable optical recording materials and methods based on tellurium
3. 5051340 - Master for optical element replication
4. 4797871 - Erasable optical recording method