Average Co-Inventor Count = 4.00
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. Logitech Europe S.a. (3 from 1,198 patents)
3 patents:
1. D949151 - Input device with trackball
2. D935461 - Input device with trackball
3. D931283 - Input device with trackball