Nobuyasu Hiraoka

Title: Nobuyasu Hiraoka: Innovator in Power Conversion Technology

Introduction

Nobuyasu Hiraoka is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of power conversion technology, holding a total of 8 patents. His work focuses on enhancing the efficiency and integration of power electronic devices.

Latest Patents

Hiraoka's latest patents include an inverter device that features a bootstrap circuit. This innovation aims to achieve high-density integration of components while ensuring an adequate insulation distance between a bootstrap capacitor and an intelligent power module. In this design, the capacitor is strategically placed on a printed wiring board, located between the board and the intelligent power module. Another notable patent is for a power converter device that has a capacitor and a reactor positioned adjacent to each other on the same circuit board. This power converter includes a converter circuit that transforms alternating current into direct current, with a reactor and a capacitor connected to the output terminals. The capacitor used in this design is a film capacitor, and both components are mounted on an identical circuit board.

Career Highlights

Nobuyasu Hiraoka is currently employed at Daikin Industries, Ltd., where he continues to innovate in the field of power electronics. His work has been instrumental in advancing technologies that improve energy efficiency and performance in various applications.

Collaborations

Hiraoka collaborates with talented colleagues, including Keito Kotera and Hirotaka Doi. Their combined expertise contributes to the development of cutting-edge technologies in the industry.

Conclusion

Nobuyasu Hiraoka is a key figure in the realm of power conversion technology, with a strong portfolio of patents that reflect his innovative spirit. His contributions continue to shape the future of energy-efficient devices.