Average Co-Inventor Count = 1.50
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. Motorola Corporation (2 from 20,290 patents)
2 patents:
1. 5257414 - Apparatus for accepting and retaining a memory card
2. D301473 - Portable housing for radio handset, transceiver and battery