Average Co-Inventor Count = 1.43
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. Noritsu Koki Co., Ltd. (8 from 439 patents)
8 patents:
1. 6047891 - Photographic printing apparatus
2. 5979820 - Film magazine
3. 5933566 - Film analyzer
4. 5745220 - Image selecting apparatus for photographic printer
5. 5729326 - Image printer having image exposing means
6. 5694200 - Photographic printing method and apparatus for automatically determining
7. 5689326 - Photographic printing apparatus
8. 5669034 - Photographic material developing apparatus