Average Co-Inventor Count = 2.77
ph-index = 3
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 (6 from 5,451 patents)
6 patents:
1. 9703866 - Music system managing method
2. 8392835 - Parameter supply apparatus for audio mixing system
3. 8249278 - Audio signal processing system
4. 7817809 - Editing device and audio signal processing system
5. 7765018 - Control device for controlling audio signal processing device
6. 6518491 - Apparatus and method for automatically generating musical composition data for use on portable terminal