Toshifumi Hiraboshi

Title: Innovations by Toshifumi Hiraboshi

Introduction

Toshifumi Hiraboshi is a notable inventor based in Wako, Japan. He has made significant contributions to the field of internal combustion engines, holding a total of 3 patents. His work focuses on enhancing the efficiency and control of fuel systems in automotive applications.

Latest Patents

Hiraboshi's latest patents include a fuel pressure control device for internal combustion engines. This invention is designed to manage the pressure of fuel supplied to a fuel injection valve. It features a fuel pump that utilizes the internal combustion engine as a driving source, discharging pressurized fuel to the fuel injection valve. The device includes a boost control part that maximizes the fuel discharge amount during the startup phase of the engine. Additionally, it has a limit control part that ensures the fuel discharge amount does not exceed a predetermined upper limit.

Another significant patent is a control system for internal combustion engines. This system calculates a wide-open intake air amount based on engine rotational speed and determines a theoretical intake air amount. It detects or estimates the actual intake air amount and calculates the amount of evaporative fuel/air mixture supplied to the intake passage. The system then uses this data to control the engine effectively, optimizing performance and emissions.

Career Highlights

Hiraboshi is currently employed at Honda Motor Co., Ltd., where he continues to innovate in the automotive sector. His expertise in fuel systems and engine control has positioned him as a valuable asset to the company.

Collaborations

Throughout his career, Hiraboshi has collaborated with talented coworkers, including Mahito Shikama and Toshinori Tsukamoto. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Toshifumi Hiraboshi's contributions to the field of internal combustion engines demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of automotive technology and a drive to improve engine performance.