Average Co-Inventor Count = 1.08
ph-index = 6
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. Innovative Usa, Inc. (10 from 22 patents)
2. Other (3 from 832,891 patents)
13 patents:
1. 6450819 - Roller story
2. 6402523 - Select a story book
3. 6364360 - Foam book with bendable memory retaining elements
4. 6336665 - Book constructed of foam
5. 6279956 - Money saving book
6. 6247729 - Book with storage for manipulatives
7. 6189932 - Book constructed of foam
8. 6079748 - Book with storage for manipulatives
9. 6070909 - Book constructed of foam
10. 6000986 - Interactive book
11. 5934551 - Four pack display container
12. 5868599 - Interactive book
13. 5803743 - Alphabet block books