Yoichi Uehara

Title: Yoichi Uehara: Innovator in Power Supply Technology

Introduction

Yoichi Uehara is a prominent inventor based in Maebashi, Japan. He has made significant contributions to the field of power supply technology, holding a total of 4 patents. His work focuses on enhancing the efficiency of power supply systems, particularly in the context of DC-DC converters.

Latest Patents

Uehara's latest patents include a switching power supply device and a semiconductor integrated circuit for power supply control. These innovations aim to decrease losses in both the synchronous rectifier circuit at the secondary side of a DC-DC converter and the full-bridge switching circuit at the primary side. The DC-DC converter features a transformer for voltage conversion, a synchronous rectifier circuit, and a full-bridge switching circuit. It performs synchronous rectifier control using switch transistors to manage current paths in synchronization with primary-side switching operations. Additionally, the converter dynamically controls off-timings of a synchronous rectification transistor based on load currents and primary-side input voltages.

Career Highlights

Throughout his career, Uehara has worked with notable companies such as Hitachi, Ltd. and Renesas Technology Corporation. His experience in these organizations has contributed to his expertise in power supply technology and semiconductor design.

Collaborations

Uehara has collaborated with esteemed colleagues, including Takushi Nishiya and Seiichi Mita. These partnerships have further enriched his work and innovations in the field.

Conclusion

Yoichi Uehara's contributions to power supply technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in efficient power management systems.