Company Filing History:
8 out of 58,131 
1 out of 5 
1 out of 2,874 
Years Active: 1998-2021
Title: Kenji Yamamoto: Innovator in Rail Inspection Technology
Introduction
Kenji Yamamoto is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of rail inspection technology, holding a total of 10 patents. His innovative solutions have enhanced the safety and reliability of railway systems.
Latest Patents
One of his latest patents is a rail inspection system designed to accurately detect defects in railroad rails. This system includes a sensor part group with multiple sensor parts that have receiver coils, along with first and second oscillator coils arranged in parallel to the width of the railroad rail. The oscillation part supplies signals to these coils, while the detection part group identifies inspection signals based on the output from the receiver coils as the sensor moves along the rail. Another notable invention is a rail check device and system that addresses the challenge of checking defects in railway rails with a high signal-to-noise ratio. This device utilizes oscillating coils to generate alternating magnetic fields and a receiving coil to output magnetic field waveforms as check data.
Career Highlights
Kenji Yamamoto has worked with renowned companies such as Sony Corporation and Hitachi High-Tech Fine Systems Corporation. His experience in these organizations has contributed to his expertise in developing advanced rail inspection technologies.
Collaborations
Throughout his career, Yamamoto has collaborated with notable colleagues, including Isao Ichimura and Fumisada Maeda. These partnerships have fostered innovation and the sharing of ideas in the field of rail technology.
Conclusion
Kenji Yamamoto's contributions to rail inspection technology demonstrate his commitment to enhancing railway safety and efficiency. His innovative patents and collaborations with industry leaders highlight his significant impact on the field.