Average Co-Inventor Count = 3.16
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. Mattel, Inc. (3 from 1,702 patents)
3 patents:
1. 4273332 - Toy racing apparatus
2. 4251949 - Toy track and bowl with car height indicator
3. 4155194 - Toy spring-type projectile launcher having directional controlling joy