Average Co-Inventor Count = 3.43
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. Marvin Glass & Associates (2 from 422 patents)
2 patents:
1. 4673181 - Skill action game
2. 4594071 - Composite toy vehicle assembly