Average Co-Inventor Count = 4.83
ph-index = 3
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. (6 from 1,199 patents)
6 patents:
1. 8870477 - Keyboard with back-lighted ultra-durable keys
2. D700570 - Solar keyboard
3. D697470 - Solar keyboard system
4. D690259 - Solar keyboard power strip
5. D680947 - Keyboard solar panels
6. D648338 - Solar keyboard with solar panels