Average Co-Inventor Count = 4.00
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. Sun Chemical Corporation (2 from 590 patents)
2 patents:
1. 6444022 - Water based offset lithographic printing ink
2. 6200372 - Water-based offset lithographic newspaper printing ink