Average Co-Inventor Count = 1.20
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. Other (1 from 832,812 patents)
2. Vision Research Laboratories (1 from 1 patent)
4 patents:
1. D524146 - Tube drying rack for a continuous positive airway pressure system
2. D415482 - Computer support
3. 5358255 - Disc catching apparatus
4. 5094521 - Apparatus for evaluating eye alignment