Average Co-Inventor Count = 3.07
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. Learning Curve International Inc. (9 from 11 patents)
2. Rc2 Brands, Inc. (2 from 2 patents)
11 patents:
1. 7955156 - Magnetic building block
2. 7413493 - Magnetic building block
3. 6722941 - Toy vehicle magnetic coupler
4. 6648237 - Toy vehicle track segment and method of manufacturing a toy vehicle track segment
5. 6645031 - Playboard with collapsing easel
6. D481424 - Toy track segment
7. D477641 - Edges of supports for playboard with easel
8. 6089952 - Four wheel drive toy locomotive
9. 6015329 - Toy vehicle logging mill accessory
10. 5979783 - Toy vehicle track coupling support
11. 5826835 - Toy vehicle switch track