Average Co-Inventor Count = 3.43
ph-index = 1
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. Hanchett Entry Systems, Inc. (103 patents)
2 patents:
1. D434408 - Portable voice and data encryption module
2. D390848 - Supplemental feature module for a telephone handset