Average Co-Inventor Count = 4.67
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. Noritsu Koki Co., Ltd. (3 from 439 patents)
3 patents:
1. 5786909 - Photographic printing apparatus with exposure position rectifying and
2. 5502540 - Printing/developing apparatus
3. 5500712 - Method and equipment for printing 3-D stereograph