Average Co-Inventor Count = 3.20
ph-index = 3
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. Polaroid Corporation (4 from 2,176 patents)
4 patents:
1. D315569 - Folding photographic camera or similar article
2. D296109 - Folding camera or similar article
3. D295980 - Camera case or similar article
4. 4688913 - Camera erecting system