Average Co-Inventor Count = 2.57
ph-index = 3
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 (3 from 20,290 patents)
3 patents:
1. D400204 - Portable radiotelephone
2. D337332 - Telephone handset housing panel
3. D322783 - Dial top housing for telephone handset or similar article