Average Co-Inventor Count = 3.65
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. Quinton Instrument Company (1 from 48 patents)
2. Virtual Vision, Inc. (1 from 14 patents)
2 patents:
1. 6004276 - Open architecture cardiology information system
2. 5867817 - Speech recognition manager