Yusuke Umezu

Title: Yusuke Umezu: Innovator in Electric Power Control Systems

Introduction

Yusuke Umezu is a prominent inventor based in Kakogawa, Japan. He has made significant contributions to the field of electric power control systems, holding a total of 4 patents. His work focuses on enhancing the efficiency and reliability of power conversion technologies.

Latest Patents

Umezu's latest patents include an electric power control system and a power supply system. The electric power control system features a bidirectional electric power converter that connects both AC and DC terminals. This system allows for the mutual conversion of AC power from the AC power system and DC power from the DC power system. Additionally, it includes an electric power storage component that stores electric power from the DC power system. The bidirectional electric power conversion controller is designed to control the output or input of the AC terminal, ensuring that the charge and discharge currents align with predetermined target values.

Another notable patent is the power conversion device that suppresses phase jump. This invention includes a voltage detector that monitors the system voltage at the AC wiring side of the power converter. The controller performs power conversion control by generating a drive signal to the power converter. It features a phase calculator that determines the current phase and a phase jump angle calculator that calculates a virtual phase to minimize phase jump angles during power conversion.

Career Highlights

Yusuke Umezu is currently employed at Kawasaki Jukogyo Kabushiki Kaisha, a leading company in the field of engineering and manufacturing. His innovative work has positioned him as a key figure in the development of advanced power control technologies.

Collaborations

Umezu has collaborated with notable coworkers, including Soichiro Bando and Kazushige Sugimoto. Their combined expertise has contributed to the successful development of Umezu's patents and innovations.

Conclusion

Yusuke Umezu's contributions to electric power control systems demonstrate his commitment to innovation and technological advancement. His patents reflect a deep understanding of power conversion technologies, making him a valuable asset in the engineering field.