Average Co-Inventor Count = 1.82
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 (14 from 5,450 patents)
14 patents:
1. 12406646 - Electronic device, electronic drum device and sound reproduction method
2. 12328556 - Sound processing method, and sound processing system
3. 10789917 - Sound processing device and sound processing method
4. 10748514 - Musical instrument
5. 10262640 - Musical performance support device and program
6. 10187714 - Sound pickup device and sound processing device
7. 10171901 - Sound pickup device and sound processing device
8. 9966051 - Sound production control apparatus, sound production control method, and storage medium
9. 9916824 - Electronic percussion controller, instrument and method
10. 9646593 - Up/down motion detecting apparatus for hi-hat and an electronic percussion instrument including the apparatus
11. 8507782 - Electronic percussion instrument
12. 8461445 - Electronic percussion instrument having groupable playing pads
13. 8088986 - Electronic percussion instrument presenting pad chain performance
14. 7538266 - Electronic musical apparatus for training in timing correctly