Average Co-Inventor Count = 2.67
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. Ansaldo Sts Usa, Inc. (2 from 21 patents)
2. Hitachi Rail Sts Usa, Inc. (2 from 5 patents)
4 patents:
1. 10953897 - Electronic circuit controller for railway switch machine, railway switch machine and railway switching system including same
2. 10370013 - System and method for identifying point detection calibration prior to point detector lock-out and switch machine failure
3. 9592843 - System and method for identifying point detection calibration prior to point detector lock-out and switch machine failure
4. 8485687 - Light assembly