Average Co-Inventor Count = 1.00
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. Vkb Inc. (2 from 9 patents)
2 patents:
1. RE40368 - Data input device
2. 6650318 - Data input device