Average Co-Inventor Count = 7.00
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. Konica Corporation (3 from 3,106 patents)
3 patents:
1. 5580709 - Polyester layer support for photographic material
2. 5387501 - Support for photographic material
3. 5372925 - Multilayer polyester support of photographic material