Average Co-Inventor Count = 3.00
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. Umax Data System Inc. (2 from 22 patents)
2 patents:
1. 5652665 - Transparency adapter for flatbed scanners
2. 5633745 - To drive the optical system independently by CPU in flatbed scanners