Average Co-Inventor Count = 2.73
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. Umax Data Systems, Inc. (5 from 157 patents)
5 patents:
1. D413584 - Scanner
2. D405069 - Scanner
3. D405066 - Scanner
4. D394429 - Paper delivering scanner
5. D388067 - Video frame grabber