Hiroshisa Yamamura

Title: The Innovative Journey of Hiroshisa Yamamura

Introduction

Hiroshisa Yamamura, an accomplished inventor based in Hitachioota, Japan, has made significant contributions to the field of automotive technology. With a total of two patents to his name, his work primarily revolves around enhancing vehicle steering systems through innovative engineering solutions.

Latest Patents

Yamamura’s recent patents include a "Motor-Driven Power Steering Apparatus" and an "Electric Power Steering Control System." The motor-driven power steering apparatus features a generator that produces two voltage outputs with different levels. One voltage is utilized for operating the power steering system, while the other charges a battery that supplies energy to additional loads. In contrast, the electric power steering control system incorporates an electric motor that generates assisting torque for the vehicle's steering mechanism through a reduction gear. It is equipped with a steering torque sensor, a controller for motor operation, and a battery coupled with a voltage step-up circuit, allowing for high-voltage motor activation, thereby enhancing the steering performance.

Career Highlights

Yamamura has worked with reputed companies such as Hitachi, Ltd. and Hitachi Automotive Engineering Co., Ltd. His professional journey is marked by a dedication to innovation and excellence in the automotive sector.

Collaborations

Throughout his career, Yamamura has collaborated with talented professionals like Toshimi Abukawa and Kazuo Tahara. These collaborations have led to advancements in automotive technologies and improved vehicle safety and functionality.

Conclusion

Hiroshisa Yamamura's contributions to innovations in vehicle power steering systems exemplify his role as a key player in engineering advancements. His patents reflect his commitment to enhancing automotive technology and ensuring a safer driving experience.