Average Co-Inventor Count = 1.29
ph-index = 3
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. Ivy Hill Corporation (2 from 28 patents)
2. Cinram International Inc. (1 from 17 patents)
3 patents:
1. 7578389 - Optical disc mailpiece for automated letter processing by U.S. Postal Service equipment
2. D362619 - Twist box
3. 5379894 - Paperboard package