Average Co-Inventor Count = 3.43
ph-index = 1
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. Lexmark International, Inc. (2 from 3,030 patents)
2 patents:
1. 6688590 - Dual tray printer with single drive shaft and dual media picks
2. 6371611 - Media feed unit for an ink jet printer