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. Other (2 from 832,761 patents)
2. Mattel, Inc. (1 from 1,702 patents)
3 patents:
1. 4395760 - Electronic baseball game
2. 4369971 - Electronic bowling game
3. 4092978 - Solar energy collector