Average Co-Inventor Count = 1.64
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. Other (1 from 832,966 patents)
2. Buy-Phone, Inc. (1 from 3 patents)
3. American Medical Sales, Inc. (1 from 1 patent)
3 patents:
1. 6462868 - Display device for both hardcopy and digital images
2. 5734693 - Radiation exposure system
3. 4691267 - Film illuminator