Average Co-Inventor Count = 2.21
ph-index = 6
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. Vtech Industries, Inc. (5 from 30 patents)
2. Video Technology Industries, Inc. (1 from 29 patents)
7 patents:
1. D413149 - Electronic learning aid housing
2. D407748 - Electronic educational game housing
3. D360224 - Housing for an electronic instructional game apparatus
4. D358421 - Electronic educational activity toy
5. D353566 - Walker
6. 5362272 - Activity toy and walker device
7. D350373 - Housing for an electronic instructional game apparatus