Average Co-Inventor Count = 1.53
ph-index = 5
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 (6 from 477 patents)
6 patents:
1. 12027147 - Musical performance device and non-transitory computer readable storage medium storing musical performance program
2. D987673 - Display screen or portion thereof with graphical user interface
3. D964379 - Display screen or portion thereof with graphical user interface
4. D964380 - Display screen or portion thereof with graphical user interface
5. D961602 - Display screen or portion thereof with graphical user interface
6. D916879 - Display screen or portion thereof with graphical user interface