Average Co-Inventor Count = 2.00
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. Vtech Electronics Limited (3 from 54 patents)
3 patents:
1. D563414 - Data disc enclosure
2. D553619 - Video game controller with rotational element
3. D538858 - Video game console