Average Co-Inventor Count = 1.80
ph-index = 1
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. Hitachi, Ltd. (2 from 42,535 patents)
2. Aloka Co., Ltd. (1 from 93 patents)
3 patents:
1. 10709426 - Ultrasonic diagnostic system
2. 9547888 - Ultrasonic diagnostic apparatus
3. 7635333 - Ultrasound diagnostic apparatus