Average Co-Inventor Count = 2.44
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 (8 from 423 patents)
8 patents:
1. D834643 - Baseball jersey greeting card
2. 10040307 - Hinged greeting cards and gift card holders
3. D781957 - Furry gift card holder
4. 9545811 - Greeting cards with multi-panel insert
5. D764582 - Greeting card
6. 9382042 - Pull activated greeting cards and gift bags with motion and audio
7. 9302528 - Pop-up greeting cards
8. 9186928 - Pull activated greeting cards and gift bags with motion and audio