Average Co-Inventor Count = 4.07
ph-index = 1
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. Pioneer Corporation (2 from 2,648 patents)
4 patents:
1. 6958970 - Disk player
2. 6404718 - Disc player
3. 6151279 - Single motor disc player with a Geneva mechanism
4. 5226025 - Magazine disk player having an improved magazine detecting feature