Average Co-Inventor Count = 2.25
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. Hallmark Cards, Inc. (3 from 233 patents)
3 patents:
1. 8444452 - Wireless musical figurines
2. 7361058 - Electrical interconnecting adapter
3. 7247076 - Pulse width modulation drive and method for ornaments with movable components