Average Co-Inventor Count = 2.40
ph-index = 2
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 (2 from 5,452 patents)
2 patents:
1. 7212469 - Mixing recorder, control method therefore, and computer-readable medium including program for implementing the control method
2. 7119267 - Portable mixing recorder and method and program for controlling the same