Average Co-Inventor Count = 2.00
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. United States Surgical Corporation (1 from 1,184 patents)
2. Audivox Corporation (1 from 3 patents)
2 patents:
1. D266271 - Hearing aid
2. 4069400 - Modular in-the-ear hearing aid