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. 4418917 - Electronic target game
2. 4410181 - Electronic board game
3. 4363489 - Electronic stock market terminal game
4. 4326719 - Electronic maze game
5. D261669 - Electronic game housing or similar article