Average Co-Inventor Count = 2.40
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 (3 from 590 patents)
3 patents:
1. 4543883 - Apparatus for printing frustoconical articles
2. 4458804 - Contour in-feed means for continuous motion can decorator
3. 4244292 - Inker apparatus