Spokane Valley, WA, United States of America

Paul Chiyang Shih

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Bnsf Railway Company. Active years: 2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Paul Chiyang Shih. Retrieved from https://idiyas.com/inventor/paul-chiyang-shih

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

 

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2021

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1 patent (USPTO):Explore Patents

Title: Paul Chiyang Shih: Innovator in Wireless Slide Fence Technology

Introduction

Paul Chiyang Shih is an accomplished inventor based in Spokane Valley, WA (US). He has made significant contributions to the field of safety technology, particularly in the railway industry. His innovative approach has led to the development of a unique system designed to enhance the safety of train operations.

Latest Patents

One of Paul Chiyang Shih's notable patents is the "Wireless Slide Fence System and Method." This invention utilizes signal reflection technology to detect rockslides and can determine the size and location of fallen rocks or objects that may impede travel along train tracks. The system addresses the technological challenge of accurately identifying rock size and location to validate rockslide alarms, thereby reducing false alarms. It minimizes the need for repairs typically required by conventional systems through the use of obstacle detection units and vital logic controllers. The system improves performance by generating validated alarms when fallen rocks or objects meet specific size criteria and are located in areas hazardous to train operations. An exemplary embodiment of the system includes a loitering time feature to validate object detections, which helps reduce false positives caused by transient objects, such as migrating animals.

Career Highlights

Paul Chiyang Shih is currently employed at BNSF Railway Company, where he applies his expertise in safety technology. His work focuses on developing innovative solutions that enhance the safety and efficiency of railway operations. With a patent portfolio that includes 1 patent, he has established himself as a key contributor to the field.

Collaborations

Throughout his career, Paul has collaborated with several talented individuals, including Mitchell Wayne Beard and Paul Aaron Weidle. These collaborations have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Paul Chiyang Shih is a notable inventor whose work in wireless slide fence technology has the potential to significantly improve railway safety. His innovative solutions address critical challenges in the industry, making him a valuable asset to BNSF Railway Company and the field of safety technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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