Yuichi Ohkubo

Title: Yuichi Ohkubo: Innovator in Motor Technology

Introduction

Yuichi Ohkubo is a prominent inventor based in Takasaki, Japan. He has made significant contributions to the field of motor technology, holding a total of 7 patents. His innovative work focuses on enhancing the efficiency and functionality of brushless motors.

Latest Patents

Ohkubo's latest patents include a brushless motor driving circuit and a motor speed regulating circuit with a starter and storage medium drive. The brushless motor driving circuit is designed to clamp an output voltage at a proper level, even when the power source voltage fluctuates. This is achieved through a pre-driver circuit that utilizes PMOS and NMOS transistors in an H bridge configuration to generate the necessary voltage for driving the motor. Additionally, the motor speed regulating circuit features a speed signal generator that produces a frequency proportional to the motor's speed, allowing for precise feedback control and reliable restarting of the motor after it has been stopped.

Career Highlights

Throughout his career, Yuichi Ohkubo has worked with notable companies such as Hitachi, Ltd. and Pioneer Electronic Corporation. His experience in these organizations has contributed to his expertise in motor technology and innovation.

Collaborations

Ohkubo has collaborated with esteemed colleagues, including Kunio Seki and Yasuo Kominami. Their joint efforts have further advanced the development of motor technologies.

Conclusion

Yuichi Ohkubo's contributions to motor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in motor efficiency and control systems.