Average Co-Inventor Count = 4.05
ph-index = 4
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 (11 from 423 patents)
11 patents:
1. D813300 - Pinata greeting card
2. D803312 - Piñata greeting card
3. D790627 - Greeting card with mobile ornaments
4. 9056517 - Pop up greeting cards
5. 8448360 - Flap sensor activated greeting cards
6. 8438763 - Three dimensional illuminated greeting cards
7. 8418384 - Pop-up musical greeting cards
8. 8316565 - Sound generating pull-out greeting cards with removable panels
9. 8281507 - Three dimensional illuminated greeting cards
10. D657415 - Three dimensional greeting card
11. D653287 - Three dimensional greeting card