Average Co-Inventor Count = 2.57
ph-index = 2
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. Lionel L.c.c. (3 from 52 patents)
3 patents:
1. 7766248 - Model toy train track
2. 7320435 - Model toy train track
3. 6942492 - Flexible contact connector