Average Co-Inventor Count = 1.50
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. Motorola Corporation (2 from 20,290 patents)
2 patents:
1. 4450583 - Multi-channel transceiver using a single high-stability element
2. 4146845 - Audio amplifier output circuit