Average Co-Inventor Count = 4.44
ph-index = 4
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 (5 from 58,129 patents)
5 patents:
1. 5739763 - Method for controlling electronic appliance capable of suppressing
2. 4592093 - Super high frequency receiver
3. 4570165 - Adjustable loop and dipole antenna
4. 4358769 - Loop antenna apparatus with variable directivity
5. 4338606 - Antenna system with variable directivity