Average Co-Inventor Count = 4.00
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. Quinton Instrument Company (3 from 48 patents)
3 patents:
1. 5433209 - Recorder unit for ambulatory ECG monitoring system
2. 5343870 - Recorder unit for ambulatory ECG monitoring system
3. 5305202 - Ambulatory ECG analysis system