Hirofumi Kinjo

Title: Hirofumi Kinjo: Innovator in Rotary Electric Machine Technology

Introduction

Hirofumi Kinjo is a prominent inventor based in Nisshin, Japan, known for his significant contributions to the field of rotary electric machines. With a total of 10 patents to his name, Kinjo has made remarkable advancements in the technology that drives these machines.

Latest Patents

Among his latest innovations is a drive device for a rotary electric machine. This device features a first inverter with high-potential and low-potential side switching elements that correspond to the phases of the rotary electric machine. It is connected to a DC power supply. Additionally, a second inverter is included, which also has corresponding switching elements and connects to the first inverter via a connection line. A controller manages both inverters to ensure optimal performance based on modulation percentages. Another notable patent is a driving device for a rotating electric machine, which includes a first inverter unit that controls current conduction for each winding of multi-phase windings. This device is designed to enhance efficiency by utilizing switching elements with lower ON resistance.

Career Highlights

Hirofumi Kinjo has worked with notable companies such as Denso Corporation and Nippon Soken, Inc. His experience in these organizations has contributed to his expertise in electric machine technology and innovation.

Collaborations

Kinjo has collaborated with esteemed colleagues, including Makoto Taniguchi and Toru Wakimoto. Their joint efforts have further advanced the field of rotary electric machines.

Conclusion

Hirofumi Kinjo's work in rotary electric machine technology showcases his innovative spirit and dedication to advancing engineering solutions. His patents reflect a deep understanding of electrical systems and their applications in modern technology.