Average Co-Inventor Count = 1.13
ph-index = 11
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 (37 from 5,452 patents)
2. Yamaha Corporated (1 from 1 patent)
38 patents:
1. D1067212 - Speaker
2. D1015414 - Electric guitar
3. 11750309 - Operation panel for audio processing apparatus
4. D969777 - Mixing console
5. D850412 - Controller
6. D847123 - Handle for speaker
7. D831621 - Microphone controller
8. D810703 - Switch cover
9. D791187 - Digital mixer
10. D788741 - Amplifier
11. 9564982 - Audio control console
12. D778261 - Digital mixer
13. D778262 - Digital mixer
14. D769226 - Digital mixer
15. D748607 - Digital mixer