Average Co-Inventor Count = 4.44
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 (2 from 3,106 patents)
2 patents:
1. 6040891 - Photographic printing apparatus
2. 5420699 - Processing apparatus for processing information on photographic film