Average Co-Inventor Count = 2.67
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. Ge Yokogawa Medical Systems, Limited (3 from 99 patents)
2. Yokogawa Medical Systems, Limited (1 from 75 patents)
4 patents:
1. 6139497 - Ultrasound image displaying method and ultrasound imaging apparatus
2. 5495846 - Ultrasonic diagnostic apparatus
3. 5417217 - Echo beam former for an ultrasonic diagnostic apparatus
4. 5018528 - Pulse Doppler ultrasonic diagnostic system