Toshihiro Yamamoto

Title: The Innovative Contributions of Toshihiro Yamamoto

Introduction

Toshihiro Yamamoto is a prominent inventor based in Toyohashi, Japan. He has made significant contributions to the field of automotive technology, particularly in the development of drive devices and driving systems. With a total of 10 patents to his name, Yamamoto's work has had a substantial impact on the industry.

Latest Patents

Yamamoto's latest patents include a drive device and a driving system. The drive device features a motor, an inverter, an electric power storage device, and an electronic control unit. This control unit generates a first pulse width modulation (PWM) signal by comparing a voltage command of each phase according to a torque command of the motor with a carrier wave voltage. Additionally, it produces a second PWM signal based on a modulation factor and a voltage phase according to the torque command. The driving system aims to suppress the increase in current variation amount of a power storage device by setting an allowable modulation factor based on the circuit characteristics of the inverter.

Career Highlights

Throughout his career, Toshihiro Yamamoto has worked with notable companies such as Toyota Motor Corporation and Denso Corporation. His experience in these leading automotive firms has allowed him to refine his skills and contribute to groundbreaking innovations in vehicle technology.

Collaborations

Yamamoto has collaborated with esteemed colleagues, including Kenji Yamada and Masashi Mizuno. These partnerships have fostered a creative environment that has led to the development of advanced technologies in the automotive sector.

Conclusion

Toshihiro Yamamoto's innovative work in drive devices and driving systems has positioned him as a key figure in automotive technology. His patents reflect a commitment to enhancing vehicle performance and efficiency. His contributions continue to influence the industry and inspire future innovations.