Average Co-Inventor Count = 1.41
ph-index = 1
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. Roland Corporation (4 from 477 patents)
4 patents:
1. 8058545 - Effect device systems and methods
2. 7968784 - Performance device systems and methods
3. 7525038 - Effect system
4. 7435890 - Tuning device and method for musical instrument