Average Co-Inventor Count = 1.50
ph-index = 3
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. Britax Excelsior Limited (2 from 23 patents)
2. Britax Romer Kindersicherheit Gmbh (1 from 51 patents)
3. Britax Nordiska Barn Ab (1 from 1 patent)
3 patents:
1. 6152525 - Child safety seat
2. 6135553 - Child safety seat
3. 5845968 - Child safety seat