Average Co-Inventor Count = 2.25
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 (3 from 5,450 patents)
3 patents:
1. 11871199 - Sound signal processor and control method therefor
2. 10841658 - Content playback device, content playback system, and content playback method
3. 10574709 - Content reproduction apparatus, content reproduction system, and content reproduction method