Average Co-Inventor Count = 1.43
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. American Greetings Corporation (6 from 423 patents)
6 patents:
1. D895731 - Label
2. D842374 - Cake greeting card
3. D841732 - Cake greeting card
4. D826323 - Cake greeting card
5. D813300 - Pinata greeting card
6. D803312 - Piñata greeting card