Average Co-Inventor Count = 6.18
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. Other (2 from 832,718 patents)
2. Pioneer Electronic Corporation (1 from 2,861 patents)
3. Tohoku Pioneer Electronic Corporation (1 from 27 patents)
3 patents:
1. 6735161 - Recording-medium transfer device
2. 6469971 - Device for reproducing optical discs
3. 5754362 - Loading/ejecting mechanism for a tape recorder