Average Co-Inventor Count = 5.14
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. Roli Ltd. (3 from 9 patents)
3 patents:
1. D935518 - Keyboard instrument
2. D810185 - Keyboard instrument
3. D809588 - Keyboard instrument