Average Co-Inventor Count = 2.00
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. Mattel, Inc. (2 from 1,702 patents)
2 patents:
1. D275423 - Combined automatic emergency light and audible alarm
2. D274561 - Emergency strobe light or similar article