Average Co-Inventor Count = 1.88
ph-index = 10
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 (27 from 5,450 patents)
2. Nippon Gakki Seizo Kabushiki Kaisha (2 from 841 patents)
29 patents:
1. 12327540 - Reproduction control method, reproduction control system, and reproduction control apparatus
2. 12322300 - Information processing system and computer system implemented method of processing information
3. 11609736 - Audio processing system, audio processing method and recording medium
4. 11588888 - Method of controlling communication and communication control device in which a method for transmitting data is switched
5. 11430417 - Data generation device and non-transitory computer-readable storage medium
6. 8331580 - Engine speed calculation device and engine sound generation device
7. RE41757 - Sound source system based on computer software and method of generating acoustic waveform data
8. 7633004 - Onboard music reproduction apparatus and music information distribution system
9. 7528316 - Musical sound generating vehicular apparatus, musical sound generating method and program
10. 7509488 - Server apparatus, communication terminal apparatus, delivery system and delivery program
11. 7189911 - Electronic musical apparatus having interface for connecting to communication network
12. 7122731 - Musical information processing terminal, control method therefor, and program for implementing the method
13. 6872877 - Musical tone-generating method
14. 6646644 - Tone and picture generator device
15. 6534701 - Memory card with music performance function