Noriaki Sumisya

Title: Noriaki Sumisya: Innovator in Engine Control Systems

Introduction

Noriaki Sumisya is a notable inventor based in Tochigi, Japan. He has made significant contributions to the field of engine control systems, holding a total of 3 patents. His work focuses on enhancing the efficiency and stability of engine operations.

Latest Patents

One of his latest patents is an engine control system designed to selectively switch between first and second fuels. This system includes a sensor that detects the oxygen concentration of exhaust gas and a control device that performs air-fuel ratio feedback control. The control device calculates a correction coefficient during operation with the second fuel and stores a fuel composition correction coefficient to address changes in fuel composition.

Another significant patent is the support structure of a direct fuel injection valve. This invention provides a stable support for the fuel injection valve over an extended period. The valve housing is made of metal and features load-bearing portions that are supported by the engine and a resilient holding member, ensuring durability and reliability in engine performance.

Career Highlights

Noriaki Sumisya is currently employed at Keihin Corporation, where he continues to innovate in engine technology. His expertise in engine control systems has positioned him as a key figure in the automotive industry.

Collaborations

Throughout his career, Noriaki has collaborated with talented individuals such as Atsushi Okamoto and Atsushi Kamahora. These collaborations have further enriched his work and contributed to the development of advanced technologies in engine systems.

Conclusion

Noriaki Sumisya's contributions to engine control systems and direct fuel injection technology highlight his innovative spirit and dedication to improving engine efficiency. His patents reflect a commitment to advancing automotive technology, making him a significant figure in his field.