Average Co-Inventor Count = 2.00
ph-index = 4
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 (4 from 20,290 patents)
4 patents:
1. D248231 - Lapel speaker or similar article
2. D246521 - Vehicular communication converter apparatus or similar article
3. D244618 - Combination battery charger, receiver and amplifier or similar article
4. D243409 - Radio pager apparatus or similar article