Hiroaki Nagamatsu

Title: Innovations by Hiroaki Nagamatsu

Introduction

Hiroaki Nagamatsu is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the automotive industry, particularly through his work at Mazda Motor Corporation. With a total of four patents to his name, Nagamatsu has demonstrated a commitment to advancing automotive technology.

Latest Patents

One of his latest patents is the "Shift lever assembly and method of assembling." This invention involves a shift lever assembly for an automotive transmission, which includes a lower shift lever that engages and operates the transmission to select a desired gear stage. The assembly features an upper shift lever that is detachably coupled to the lower lever, allowing for manual actuation to effect movement of the lower shift lever. The design includes a shaft and a bore that facilitates easy detachment of the coupling through a fastener that cams and secures the shaft in the bore.

Another significant patent is the "Speed ratio control for a steplessly variable vehicle transmission." This control system is designed for managing a steplessly variable power transmission device in motor vehicles. The speed ratio of the transmission mechanism is determined based on vehicle operating conditions, particularly vehicle speed and engine load. The system includes manual selector means to choose between two control mode patterns for either economical or power operation, each providing a different ratio of transmission input speed to output speed.

Career Highlights

Nagamatsu's career at Mazda Motor Corporation has been marked by his innovative contributions to automotive technology. His work has not only improved vehicle performance but has also enhanced user experience through more efficient transmission systems.

Collaborations

Throughout his career, Nagamatsu has collaborated with talented individuals such as Takashige Ebisumoto and Etsuo Shirai. These collaborations have fostered a creative environment that has led to the development of groundbreaking automotive technologies.

Conclusion

Hiroaki Nagamatsu's contributions to the automotive industry through his patents and collaborations highlight his role as an influential inventor. His work continues to shape the future of automotive technology, making significant strides in enhancing vehicle performance and efficiency.