Average Co-Inventor Count = 1.78
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. U.S. Philips Corporation (2 from 14,087 patents)
2 patents:
1. 3947782 - Diode ring mixer
2. 3939429 - Tunable high frequency input circuit for a television receiver that