Average Co-Inventor Count = 2.00
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. Vivitar Corporation (4 from 60 patents)
4 patents:
1. D360217 - Photographic camera
2. D331251 - Photographic camera
3. D330039 - Photographic camera
4. D329863 - Photographic camera