Average Co-Inventor Count = 2.40
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. 5198788 - Laser tuning of ceramic bandpass filter
2. 5162760 - Dielectric block filter with isolated input/output contacts