Syuya Hagiwara

Title: **Inventor Spotlight: Syuya Hagiwara**

Introduction

Syuya Hagiwara is a prolific inventor based in Mito, Japan, recognized for his significant contributions to the field of electrical engineering. With a total of five patents to his name, Hagiwara has demonstrated a commitment to advancing technology through innovative solutions aimed at enhancing power efficiency and transformer design.

Latest Patents

Hagiwara's latest patents include groundbreaking technologies centered around multi-output DC-DC converters and flat transformers. His **multi-output DC-DC converter** design features a diode, a condenser, and a switching element connected to a primary winding of a transformer. This invention allows for the accumulation of energy during the reset period of the transformer, resulting in an output voltage sourced from the condenser. The design provides a dual direct current voltage output from a single transformer, contributing to a reduction in the volume and weight of the apparatus, while minimizing copper loss by utilizing a small winding ratio. The incorporation of MOS synchronous rectification further enhances efficiency by reducing circuit losses, allowing for flexibility in switching frequency.

His **flat transformer** innovation involves a coil body constructed from multiple insulated conductive wires, designed to operate stably at high frequencies with minimal loss. The transformer can include several coil bodies wound at various stages, optimizing the use of primary and secondary windings. This advancement streamlines power supply units, promoting compactness in machine apparatuses.

Career Highlights

Currently, Syuya Hagiwara is associated with Hitachi, Ltd., a leading company in technological innovations. His distinguished career has been marked by his dedication to enhancing power conversion technologies, making significant strides in the efficiency and design of electrical components.

Collaborations

Hagiwara has collaborated with notable colleagues, including Yasuro Hori and Hiroshi Kimura. Their collective efforts have resulted in innovative advancements in transformer technology and power supply efficiency, significantly impacting their field.

Conclusion

Syuya Hagiwara's contributions to electrical engineering exemplify the spirit of innovation. His patents not only showcase his technical expertise but also highlight the potential for future advancements in power conversion technologies. As he continues to push the boundaries of what is possible, his work remains a vital part of the evolving landscape in electrical engineering.