Average Co-Inventor Count = 5.08
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 (10 from 423 patents)
10 patents:
1. 9305474 - Motorized gift package accessory
2. 9186927 - Greeting card with spring loaded slide track activated audio
3. 9027269 - Pop-up greeting cards with confetti
4. 8887417 - Greeting card with spring loaded slide track audio trigger
5. 8813397 - Electronic greeting cards and novelties with moveable elements and manual electronic circuit activation
6. 8763285 - Interactive electronic greeting cards with tap and touch activated effects
7. 8726547 - Greeting card with spring loaded slide track audio trigger
8. 8661719 - Interactive greeting card with magnet
9. 8601726 - Three dimensional foam greeting card
10. D662543 - Pop up greeting card