Hirokatsu Yamamoto

Title: Innovations of Hirokatsu Yamamoto

Introduction

Hirokatsu Yamamoto is a notable inventor based in Chita, Japan. He has made significant contributions to the field of automotive technology, particularly in engine apparatus and devices. With a total of nine patents to his name, Yamamoto's work has had a considerable impact on the industry.

Latest Patents

Yamamoto's latest patents include an innovative engine apparatus that estimates the first arrival flow rate of evaporative fuel gas in an intake pipe. This estimation is based on the valve passage flow rate and a first response delay in the flow of evaporative fuel gas. Another significant patent is his engine device, which learns a purge concentration-related value during execution of a purge. This value is updated based on the air-fuel ratio deviation detected by an air-fuel ratio sensor.

Career Highlights

Yamamoto is currently employed at Toyota Jidosha Kabushiki Kaisha, where he continues to develop cutting-edge technologies. His work has been instrumental in enhancing engine performance and efficiency, contributing to Toyota's reputation as a leader in automotive innovation.

Collaborations

Yamamoto has collaborated with esteemed colleagues such as Masanao Idogawa and Takahiro Uchida. Their combined expertise has fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Hirokatsu Yamamoto's contributions to automotive technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the future of engine design and efficiency.