Average Co-Inventor Count = 5.00
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. 3936877 - Tape transport apparatus for cassette type tape recorder
2. 3932890 - Device for eliminating tape slack in a magnetic tape recording and