Average Co-Inventor Count = 1.50
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. Yamaha Corporation (2 from 5,454 patents)
2 patents:
1. 11467985 - System, target apparatus, terminal, program, and method
2. 11006218 - Audio equipment, and support for audio equipment