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. Schering-plough Healthcare Products Inc. (3 from 167 patents)
3 patents:
1. 5895679 - Egg holder and tray for coloring eggs
2. D396607 - Egg holder
3. D395795 - Egg holder and tray