Average Co-Inventor Count = 4.00
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 (1 from 477 patents)
2. Meiji University (1 from 15 patents)
1 patent:
1. 10803845 - Automatic performance device and automatic performance method