Average Co-Inventor Count = 3.00
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. Fisher-price, Inc. (3 from 87 patents)
3 patents:
1. 5544372 - Ball and socket joint, useful with collapsible playpens
2. 5363521 - Collapsible playpen
3. 5178309 - Infant carrier and harness combination