Shinichiroh Yokoyama

Title: Shinichiroh Yokoyama: Innovator in Magnetic Materials

Introduction

Shinichiroh Yokoyama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of magnetic materials, particularly through his innovative patents. His work focuses on enhancing the properties of semi-hard magnetic materials, which are essential in various applications.

Latest Patents

Yokoyama holds a patent for a semi-hard magnetic material, bias material for magnetic markers, magnetic markers, and the production method of bias material for magnetic markers. The objective of this invention is to address the challenges in hot workability caused by copper aggregation. The patent describes a semi-hard magnetic material that includes 2.0% ≤ Cu ≤ 10.0% and 0.1% ≤ Nb ≤ 5.0% by mass, with the balance being iron and inevitable impurities. This material exhibits a microstructure where the copper phase and an intermetallic compound of iron and niobium are dispersed, making it suitable for use as bias materials for magnetic markers.

Career Highlights

Shinichiroh Yokoyama is associated with Hitachi Metals, Ltd., a company known for its advanced materials and technologies. His work at Hitachi Metals has allowed him to focus on the development of innovative magnetic materials that meet industry demands.

Collaborations

Yokoyama has collaborated with notable colleagues, including Noriyuki Nakaoka and Yoshiyuki Fujihara. These collaborations have contributed to the advancement of research and development in the field of magnetic materials.

Conclusion

Shinichiroh Yokoyama's contributions to the field of magnetic materials through his innovative patents highlight his role as a key inventor in this area. His work continues to influence the development of advanced materials for various applications.