Yunsu Kim

Title: Yunsu Kim: Innovator in Electrical Steel Technology

Introduction

Yunsu Kim, a prominent inventor based in Pohang-si, South Korea, has made significant contributions to the field of electrical steel technology. With a total of three patents to his name, Kim’s work focuses on the advancement of grain-oriented electrical steel sheets, which are crucial in the manufacturing of high-efficiency electrical machinery.

Latest Patents

Yunsu Kim's latest patents exhibit his innovative insights into electrical steel manufacturing. His patents include:

1. **Annealing separator composition for grain-oriented electrical steel sheet** - This patent describes a composition that includes 100 parts by weight of at least one of magnesium oxide or magnesium hydroxide, combined with 30 to 250 parts by weight of a metal hydroxide comprised of nickel hydroxide and/or cobalt hydroxide. The optimal average particle diameter of the metal hydroxide is noted to be between 0.01 to 80 µm.

2. **Grain-oriented electrical steel sheet** - The patent outlines an oriented electrical steel sheet that features a base texture, an aluminum (Al) permeation layer, and a film positioned on the Al permeation layer. The attributes of the Al permeation layer include containing aluminum at 0.5 to 5 wt %, while the film comprises an Al—Mg composite.

3. **Method for manufacturing grain-oriented electrical steel sheet** - This invention details the processes involved in producing the specialized grain-oriented electrical steel sheets highlighted in the previous patents.

Career Highlights

Throughout his career, Yunsu Kim has been associated with notable companies, including POSCO, a leading steel-making company in South Korea. His expertise and innovative thinking have contributed to advances in steel production techniques, particularly in the electrical steel sector.

Collaborations

In his professional journey, Kim has collaborated with fellow innovators, including Min Soo Han and Jong-Tae Park. Together, they have worked on projects that continue to shape the future of electrical steel technology.

Conclusion

Yunsu Kim's dedication to innovation in the realm of grain-oriented electrical steel sheets exemplifies the impact of research and development in industry. His patents not only represent technological advancements but also contribute to the overall efficiency and effectiveness of electrical machinery, showcasing the importance of innovation in modern engineering.