This inventor holds 1 USPTO granted patent. Top assignee: Korea Railroad Research Institute. Active years: 2019.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2019
Title: Il Yoon Choi and Railway Track Inspection Innovation.
Introduction
Il Yoon Choi is an inventor based in Gyeonggi-do, South Korea, and is associated with the Korea Railroad Research Institute. His work includes an invention designed to improve the efficiency and reliability of railway track inspections.
Latest Patents
Choi is associated with 1 patent, titled “Versine Trolley-Type Equipment for Inspecting Track Irregularity.” The equipment uses sensors mounted on a trolley to measure track characteristics, including height differences, direction misalignment, gauge irregularity, rail longitudinal slope, and cant. It measures the height difference and direction misalignment of both rails simultaneously, reducing measurement time. Its left and right measurement frames can also move vertically within a set range, helping keep the trolley wheels in contact with warped rails.
Career Highlights
Choi’s patent reflects an engineering approach to railway inspection that combines multiple measurements in one system. By addressing both inspection speed and wheel contact on uneven track, the invention aims to support more efficient and consistent track assessment.
Collaborations
Choi’s listed coworkers include Jun Suk Lee and Sam Young Kwon. The patent information provided identifies the Korea Railroad Research Institute as his associated organization.
Conclusion
Il Yoon Choi’s railway inspection invention brings together simultaneous rail measurements and adaptable trolley frames to help make track irregularity inspections faster and more dependable.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile