Tetsuya Tokumitsu

Title: Tetsuya Tokumitsu: Innovator in Electric Discharge Machining

Introduction

Tetsuya Tokumitsu is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of electric discharge machining, holding a total of 4 patents. His work focuses on enhancing the efficiency and effectiveness of machining processes.

Latest Patents

One of his latest patents is for an electric discharge machining electrode wire and its manufacturing method. This innovative electrode wire features a core made of copper or a copper alloy, surrounded by a covering layer that includes zinc. The outermost layer of this covering consists of an ε-phase of a copper-zinc based alloy. Notably, this outermost layer has a copper concentration ranging from 12 to 20 mass % and maintains a variation range within 5 mass % in the copper concentration along the length of the electrode wire. Additionally, the outermost layer exhibits a Vickers hardness of 200 to 300 Hv, which enhances its durability and performance in machining applications.

Career Highlights

Tetsuya Tokumitsu is currently employed at Hitachi Metals, Ltd., where he continues to develop innovative solutions in the machining industry. His expertise and dedication to research and development have positioned him as a key figure in his field.

Collaborations

Throughout his career, Tokumitsu has collaborated with esteemed colleagues such as Hiromitsu Kuroda and Takayuki Tsuji. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Tetsuya Tokumitsu's contributions to electric discharge machining are noteworthy, and his patents reflect his commitment to advancing technology in this area. His work at Hitachi Metals, Ltd. continues to influence the industry positively.