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. H.m. Electronics, Inc. (2 from 71 patents)
2 patents:
1. 4767977 - Battery charger
2. 4754230 - Compandorized system clipping suppressing arrangement