Average Co-Inventor Count = 3.43
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. Kawasaki Railcar Manufacturing Co., Ltd. (1 from 19 patents)
2 patents:
1. 11745774 - Track displacement measurement device, track displacement measurement system, and track displacement measurement method
2. D920138 - Vibration and temperature sensor with wireless communication function