Average Co-Inventor Count = 2.40
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. Polaroid Corporation (4 from 2,176 patents)
4 patents:
1. 5049907 - Camera having chamber for storing exposed film units during their
2. 5019842 - Extendable shade in instant camera for protecting film unit from ambient
3. 4452519 - Folding camera having erectable light source
4. 4149792 - Misfocus prevention means for cameras having unidirectional automatic