Nobuyuki Nishiyama

Title: Nobuyuki Nishiyama: Innovator in Magnetic Core Technology

Introduction

Nobuyuki Nishiyama, an accomplished inventor based in Sendai, Japan, has made significant contributions to the field of magnetic materials. With a total of 13 patents to his name, he is recognized for his innovative approaches in producing laminated magnetic cores that enhance the efficiency and performance of various electrical applications.

Latest Patents

Nishiyama's latest patents reflect his expertise in magnetic core technology. One of his notable inventions is a "Method for producing laminated magnetic core," which outlines a three-step process. This method involves shaping a strip made of an alloy composition, followed by a heat-treating step to form body-centered cubic (bcc) iron crystals. The final step focuses on stacking to achieve the desired magnetic core shape using an alloy composition of iron, boron, silicon, phosphorus, copper, and carbon, with an amorphous phase as a primary phase.

In another significant advancement, he developed a "Heat treatment apparatus for laminated body of amorphous alloy ribbon and soft magnetic core." This apparatus includes a lamination jig for holding the laminated body and two heating plates that execute precise lamination without direct contact with the jig. An integrated heating control apparatus manages the temperature of the heating plates, allowing for greater control over the heat treatment process.

Career Highlights

Throughout his career, Nishiyama has worked at Yoshida Kogyo K.K., where he honed his skills and contributed to various projects in the field of magnetic materials. His innovations have not only expanded the boundaries of current technology but have also paved the way for future developments in magnetic core manufacturing.

Collaborations

Nishiyama has collaborated with notable professionals like Tsuyoshi Masumoto and Akihisa Inoue. These partnerships have facilitated the exchange of ideas and expertise, enhancing the innovation process within their projects and leading to groundbreaking patent applications.

Conclusion

Nobuyuki Nishiyama stands out as a key figure in the realm of magnetic core technology. His 13 patents demonstrate his relentless pursuit of innovation and excellence. As he continues to explore new horizons, his contributions will undoubtedly play a crucial role in advancing technological capabilities within the industry.