Average Co-Inventor Count = 3.00
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 (4 from 5,452 patents)
4 patents:
1. 5569871 - Musical tone generating apparatus employing microresonator array
2. 5541358 - Position-based controller for electronic musical instrument
3. 5536902 - Method of and apparatus for analyzing and synthesizing a sound by
4. 5386568 - Apparatus and method for linking software modules