Average Co-Inventor Count = 4.44
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. University Hospital (london) Development Corporation (1 from 4 patents)
2. London Health Assoc. (1 from 1 patent)
3. Victoria Hospital Corporation (1 from 1 patent)
2 patents:
1. 5562095 - Three dimensional ultrasound imaging system
2. 5284423 - Computer controlled positive displacement pump for physiological flow