Average Co-Inventor Count = 3.00
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. Nec Corporation (2 from 35,658 patents)
2 patents:
1. D478070 - GPS unit for a portable wireless telephone
2. D463791 - Wireless headphone