Average Co-Inventor Count = 1.65
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. Hitachi Medical Corporation (4 from 900 patents)
2. Hitachi, Ltd. (3 from 42,485 patents)
3. Shinagawa Refractories Co., Ltd. (2 from 100 patents)
9 patents:
1. 12391521 - Elevator and control method for elevator
2. 11708242 - Control system for elevator
3. 10028727 - Ultrasound diagnostic apparatus and method of displaying ultrasound image
4. 9573189 - Submerged nozzle for continuous casting apparatus
5. 9107634 - Ultrasonic diagnostic apparatus and method of displaying ultrasonic image
6. 9101289 - Ultrasonic diagnostic apparatus
7. 8941646 - Ultrasonic diagnostic apparatus and ultrasonic image display method
8. 8879816 - Ultrasonic diagnostic apparatus and ultrasonic image display method
9. 7905432 - Casting nozzle