Average Co-Inventor Count = 2.54
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 (6 from 5,451 patents)
6 patents:
1. 11611272 - Rotation operation device
2. 11513529 - Audio system and method of controlling conveyer device
3. 11309640 - Wireless communication device
4. 10892563 - Wireless communication device
5. 10778350 - Fader device
6. 6922379 - Disk changer apparatus