Average Co-Inventor Count = 7.47
ph-index = 4
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. (4 from 9 patents)
4 patents:
1. 7893924 - Data input device
2. 7305368 - Virtual data entry device and method for input of alphanumeric and other data
3. 7242388 - Data input device
4. 7084857 - Virtual data entry device and method for input of alphanumeric and other data