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. Mitel Semiconductor Limited (2 from 38 patents)
2 patents:
1. 5838807 - Trimmable variable compression amplifier for hearing aid
2. 5815581 - Class D hearing aid amplifier with feedback