Average Co-Inventor Count = 2.14
ph-index = 5
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. (5 from 1,702 patents)
5 patents:
1. 4422639 - Electronic football game
2. 4403777 - Electronic game using phototransducer
3. 4372557 - Electronic baseball game
4. D266935 - Housing for electronic game
5. 4314336 - Electronic card game simulator