Average Co-Inventor Count = 2.00
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. Yamaha Corporation (2 from 5,451 patents)
2 patents:
1. 10841658 - Content playback device, content playback system, and content playback method
2. 10574709 - Content reproduction apparatus, content reproduction system, and content reproduction method