Nobuyuki Matsui

Title: Nobuyuki Matsui: Innovator in Magnetostrictive Technology

Introduction

Nobuyuki Matsui is a notable inventor based in Chita, Japan. He has made significant contributions to the field of magnetostrictive technology, particularly with his innovative designs that enhance torque detection.

Latest Patents

Matsui holds a patent for a Magnetostrictive Torque Detecting Apparatus. This invention aims to achieve stable linear torque-output characteristics over a wide torque range. The apparatus includes a shaft to be measured, an exciting coil for magnetically exciting the shaft, and a detecting coil for identifying magnetostrictive components generated in the shaft when distorted by torque. The shaft is uniquely designed with a substrate shaft portion made of a high yield point material, along with a shape anisotropic layer portion made of a high magnetostrictive material, which is metallographically welded to the outer surface of the substrate shaft. This welded layer features two symmetrical groups of concave and convex portions arranged at regular angular intervals, inclined with respect to the axial direction of the shaft.

Career Highlights

Throughout his career, Matsui has worked with prominent companies such as Nissan Motor Company Limited and Daido Steel Co., Ltd. His experience in these organizations has contributed to his expertise in the field of engineering and innovation.

Collaborations

Matsui has collaborated with notable colleagues, including Hiroyuki Aoki and Munekatsu Shimada. Their joint efforts have further advanced the development of technologies in their respective fields.

Conclusion

Nobuyuki Matsui's contributions to magnetostrictive technology exemplify his innovative spirit and dedication to engineering. His patent for the Magnetostrictive Torque Detecting Apparatus showcases his ability to solve complex problems in torque measurement.