Average Co-Inventor Count = 4.31
ph-index = 7
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 (26 from 423 patents)
27 patents:
1. D917417 - Phonograph greeting card
2. D905655 - Phonograph greeting card
3. 10628821 - Activation and assigning value to gift cards using RFID
4. 9738109 - Greeting cards with suspended motion
5. 9624014 - Gift box with special effects
6. 9305474 - Motorized gift package accessory
7. 9189977 - Electronic greeting cards
8. 9044990 - Motorized gift package accessory
9. 8950093 - Electronic greeting cards
10. 8763286 - Sound generating pull-out greeting cards with removable panels
11. 8584385 - Interactive electronic greeting cards with tap and touch activated effects
12. 8567101 - Sing-along greeting cards
13. 8448361 - Motion greeting cards
14. 8438763 - Three dimensional illuminated greeting cards
15. 8322058 - Telescoping greeting cards with activated sound or light or mechanical functions