Wataru Yamamoto

Title: Wataru Yamamoto: Innovator in Hybrid Vehicle Technology

Introduction

Wataru Yamamoto is a prominent inventor based in Hiroshima, Japan. He has made significant contributions to the field of hybrid vehicle technology, holding a total of 9 patents. His work focuses on improving the efficiency and performance of hybrid vehicles, particularly in managing torque fluctuations.

Latest Patents

Yamamoto's latest patents include a driving force control method and device for hybrid vehicles. This innovative technology effectively absorbs torque fluctuations from the engine while minimizing energy efficiency deterioration. The driving force control device utilizes a PCM (Powertrain Control Module) that identifies the speed reduction ratio in the driving force transmission mechanism. It estimates the average torque output by the engine and the torque fluctuation component. The device sets a countertorque to suppress the estimated torque fluctuation and controls an electric motor to output this countertorque. Notably, the PCM can adjust the countertorque based on the engine speed, ensuring optimal performance.

Career Highlights

Throughout his career, Wataru Yamamoto has worked with notable companies such as Mazda Motor Corporation and Teijin Limited. His experience in these organizations has allowed him to develop and refine his innovative ideas in hybrid vehicle technology.

Collaborations

Yamamoto has collaborated with talented individuals in the industry, including Hirofumi Nishimura and Tsuyoshi Goto. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.

Conclusion

Wataru Yamamoto is a key figure in the development of hybrid vehicle technology, with a focus on enhancing energy efficiency and performance. His contributions through patents and collaborations continue to shape the future of automotive innovation.