Average Co-Inventor Count = 1.96
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. Roland Corporation (2 from 479 patents)
2. Korg Incorporated (1 from 30 patents)
3 patents:
1. D988397 - Electronic musical instrument
2. D866523 - Electronic musical instrument
3. D781267 - Tuner