Average Co-Inventor Count = 4.00
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. Sony Corporation (3 from 58,130 patents)
3 patents:
1. 5822001 - Battery loading mechanism for a video camera-recorder
2. 5539463 - Cassette eject mechanism, battery loading mechanism and mechanical
3. 5530476 - Mechanical chassis supporting mechanism for recording and/or reproducing