Average Co-Inventor Count = 5.60
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. Pioneer Electronic Corporation (3 from 2,861 patents)
3 patents:
1. 6104296 - Biological information detection apparatus
2. 6084516 - Audio apparatus
3. 6048310 - Audio apparatus