Zenkou Yamamoto

Title: Zenkou Yamamoto: Innovator in Light Source Control Technology

Introduction

Zenkou Yamamoto is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of light source control technology, holding a total of 4 patents. His innovative work focuses on enhancing the efficiency and reliability of light sources, particularly in LED applications.

Latest Patents

Yamamoto's latest patents include a "Light Source Control Device and Light Source Control Method." This invention features a constant-current circuit that supplies current to multiple LEDs. It also includes a current detection circuit that groups the LEDs and monitors the current supplied to each group. A microcomputer is integrated to detect any open faults in the LEDs based on the current ratios, allowing for adjustments to the current supply when faults are detected. Another significant patent is the "Light Source Control Apparatus and Light Source Control Method," which involves a controller that identifies faulty light sources among parallel-connected units. The controller ensures that normal light sources continue to receive current even when a fault is present.

Career Highlights

Throughout his career, Zenkou Yamamoto has worked with prominent companies such as Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in light source technology.

Collaborations

Yamamoto has collaborated with esteemed colleagues, including Isao Yoneoka and Yoshinori Asamura. Their combined expertise has contributed to the advancement of light source control technologies.

Conclusion

Zenkou Yamamoto's contributions to light source control technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of electrical engineering and a dedication to improving the functionality of LED systems.