Hirotoshi Nanjo

Title: Hirotoshi Nanjo: Innovator in Engine Control Technologies

Introduction

Hirotoshi Nanjo is a prominent inventor based in Susono, Japan. He has made significant contributions to the field of internal combustion engines, holding a total of 5 patents. His innovative approaches have led to advancements in engine speed control and ignition systems.

Latest Patents

One of his latest patents is a method of controlling engine speed for internal combustion engines. This method significantly improves transient response characteristics and allows for high-accuracy control of engine speed. The apparatus is designed to maintain the actual engine speed at a set level through proportional and derivative control actions. When the actual engine speed deviates from the set range, the system stops derivative action, allowing only proportional action to adjust the engine speed.

Another notable patent is an ignition system for internal combustion engines. This system features a transistor switch connected across the primary winding of an ignition coil. By supplying a base current through a coil to the transistor, the system reduces power loss during the interruption of primary current. This innovation enables the induction of high voltage across the secondary winding of the ignition coil, enhancing overall engine performance.

Career Highlights

Hirotoshi Nanjo is currently employed at Kokusan Denki Co., Ltd., where he continues to develop cutting-edge technologies in engine control. His work has been instrumental in advancing the efficiency and reliability of internal combustion engines.

Collaborations

Throughout his career, Nanjo has collaborated with notable colleagues, including Katsuo Murakami and Hiroo Satou. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Hirotoshi Nanjo's contributions to engine control technologies exemplify his dedication to innovation in the automotive industry. His patents reflect a commitment to improving engine performance and efficiency, making him a key figure in the field.