Hiroyuki Tokunaga

Title: Hiroyuki Tokunaga: Innovator in Motor Technology

Introduction

Hiroyuki Tokunaga is a prominent inventor based in Hiratsuka, Japan. He has made significant contributions to the field of motor technology, holding a total of 7 patents. His innovative designs focus on enhancing the efficiency and functionality of electrical motors.

Latest Patents

Among his latest patents is a motor cooling structure designed to effectively cool a motor. This structure includes a shaft that transmits power and a rotor core attached to the outside of the shaft. The cooling medium flows through a supply passage extending into the shaft, branching into multiple passages that cool the rotor core. The design ensures that the distances from the cooling medium inlet to the ejection holes are equal, optimizing the cooling process. Another notable patent is for an electrical motor that features a circular stator attached to the housing and a rotor positioned radially within. This motor includes a terminal connected to a power supply cable and a terminal box that houses the terminal, with an insulating material separating the two.

Career Highlights

Hiroyuki Tokunaga has worked with notable companies such as Komatsu Corporation and Sumco Techxiv Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in motor technology.

Collaborations

Throughout his career, Tokunaga has collaborated with talented individuals, including Masamitsu Kitahashi and Akira Okabe. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Hiroyuki Tokunaga's contributions to motor technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, showcasing the importance of innovation in engineering.