Shunichiro Hiromasa

Title: The Innovations of Shunichiro Hiromasa: Pioneering Electronic Fuel Injection Technologies

Introduction: Shunichiro Hiromasa, hailing from Okazaki, Japan, is an accomplished inventor with a remarkable portfolio of three patents. His contributions to the field of automotive engineering, particularly in electronic fuel injection systems, have made significant strides in improving engine performance and efficiency.

Latest Patents: One of Hiromasa's latest inventions is an **Electronic Fuel Injection Device**. This innovative device utilizes the expansion-contraction characteristics of a piezoelectric device to pump fuel into an internal-combustion engine. The design incorporates a pump member with multiple pistons, specifically tailored to match the number of cylinders in the engine. By employing a single actuator to drive the pump member, it ensures that uniform pressure is achieved in all pump chambers, thereby facilitating an even distribution of fuel to the engine's cylinders regardless of the fuel injection passage characteristics.

Another noteworthy patent is his **Apparatus for Measuring a Flow Rate of Intake Air for an Engine**. This apparatus features a bridge circuit consisting of a heat resistor strategically placed in the air intake path, coupled with sensors to monitor the intake air temperature. The current passage is controlled by a microcomputer that adjusts based on temperature fluctuations. The system calculates a flow measurement for intake air, allowing for more precise engine management.

Career Highlights: Hiromasa’s career at Nippondenso Co., Ltd. has been characterized by a commitment to innovation in automotive technology. His work on electronic fuel injection devices has not only enhanced engine efficiency but also contributed to more environmentally friendly fuel management solutions.

Collaborations: Throughout his career, Shunichiro Hiromasa has had the pleasure of working alongside esteemed colleagues such as Toshio Kondo and Hiroshi Tamura. Their collaborative efforts have fostered a dynamic work environment that encourages creativity and technological advancements in automotive engineering.

Conclusion: Shunichiro Hiromasa stands out as a visionary inventor whose contributions have significantly impacted the automotive industry. Through his patents, he continues to pave the way for innovations in fuel injection technology, enhancing performance and efficiency in modern engines. His enduring legacy at Nippondenso Co., Ltd. and collaboration with talented colleagues highlight the importance of teamwork in driving progress in technological advancements.