Average Co-Inventor Count = 5.14
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. 5109220 - Selective call controller
2. 4168399 - Paging encoder system utilizing a telephone line link
3. 4103107 - Paging encoder system utilizing a telephone line link