Average Co-Inventor Count = 3.00
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. Fuji Photo Film Company, Limited (3 from 16,458 patents)
3 patents:
1. 4217407 - Light-sensitive O-quinone diazide containing copying material
2. 4207106 - Positive working O-quinone diazide photocopying process with organic
3. 4197128 - Light-sensitive O-quinone diazide containing copying material