Average Co-Inventor Count = 7.00
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. 5121269 - Digital audio tape recorder and music program jump selecting method
2. 5079651 - Digital audio tape recorder and music program jump selecting method