Average Co-Inventor Count = 3.75
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. Lexmark International, Inc. (2 from 3,034 patents)
2 patents:
1. 6500375 - Fabrication of seamless tube
2. 6157806 - Fuser system with greased belt