Average Co-Inventor Count = 1.33
ph-index = 1
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 (1 from 14,087 patents)
2. U.S. (1 from 1 patent)
2 patents:
1. 4099136 - Amplifier circuit for high frequency signals, particularly for cable
2. 3955147 - Amplifier circuit