Average Co-Inventor Count = 3.60
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. Vtech Communications Limited (3 from 63 patents)
2. Exteris Ltd. (1 from 1 patent)
4 patents:
1. D478135 - Exercise bike
2. D460446 - Auxiliary telephone base
3. D460060 - Telephone handset
4. D456795 - Telephone base