Tetsuo Yamashita

Title: Tetsuo Yamashita: Innovator in Valve Control Technology

Introduction

Tetsuo Yamashita is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of valve control technology, particularly with his innovative patent that addresses the functionality and reliability of valve mechanisms in engines.

Latest Patents

Yamashita holds a patent for an "Abnormality determining valve control device and system." This invention involves a valve control device that manages a valve drive mechanism based on a degree-of-opening signal and a startup signal for an engine. The device includes a drive signal generating unit that produces a test drive signal to test the valve before generating a normal drive signal. Additionally, an abnormality determining unit assesses the degree-of-opening signal during the test to identify any abnormalities in the drive mechanism. If an abnormality is detected, the device ceases to generate both the test drive signal and the normal drive signal.

Career Highlights

Throughout his career, Tetsuo Yamashita has worked with prominent companies such as Keihin Corporation and Honda Motor Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to advancements in automotive technology.

Collaborations

Yamashita has collaborated with notable colleagues, including Sachio Hojo and Youichiro Shikine. These partnerships have fostered innovation and development in the field of valve control systems.

Conclusion

Tetsuo Yamashita's contributions to valve control technology exemplify his dedication to innovation and engineering excellence. His patent reflects a significant advancement in ensuring the reliability of engine components.