Average Co-Inventor Count = 4.44
ph-index = 1
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. Hallmark Cards, Inc. (2 from 233 patents)
2 patents:
1. 12398861 - Gifting apparatus and system
2. 12285968 - System and method for coupling greeting cards and envelopes with customized content printed thereon