Average Co-Inventor Count = 3.43
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. Pioneer Electronic Corporation (2 from 2,861 patents)
2 patents:
1. 5189656 - Control system for a compact disk player
2. 4979048 - Apparatus for and method of stop control for a spindle motor in a disk