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. E.i. Dupont De Nemours and Company (3 from 16,338 patents)
3 patents:
1. 4240374 - Magnetic image decorator having rotating cylinders and knife blades
2. 4185130 - Magnetic image decorator
3. 4170287 - Magnetic auger