O Uyama

Title: The Innovations of O Uyama in Electrical Steel

Introduction

O Uyama is a prominent inventor located in Tokyo, Japan, known for his significant contribution to the field of materials science through his innovative work on electrical steel. With a sole patent to his name, Uyama has made strides in enhancing the efficiency of electrical steel sheets used in various applications.

Latest Patents

The key patent registered by O Uyama pertains to a non-oriented electrical steel sheet. This invention encompasses a specific chemical composition that includes various elements such as:

- Carbon (C): 0.0015% to 0.0040%

- Silicon (Si): 3.5% to 4.5%

- Aluminum (Al): 0.65% or less

- Manganese (Mn): 0.2% to 2.0%

- Tin (Sn): 0% to 0.20%

- Antimony (Sb): 0% to 0.20%

- Phosphorus (P): 0.005% to 0.150%

- Sulfur (S): 0.0001% to 0.0030%

- Titanium (Ti): 0.0030% or less

- Niobium (Nb): 0.0050% or less

- Zirconium (Zr): 0.0030% or less

- Molybdenum (Mo): 0.030% or less

- Vanadium (V): 0.0030% or less

- Nitrogen (N): 0.0010% to 0.0030%

- Oxygen (O): 0.0010% to 0.0500%

- Copper (Cu): less than 0.10%

- Nickel (Ni): less than 0.50%

The remainder includes iron and impurities. Notably, the resulting product sheet has a thickness ranging from 0.10 mm to 0.30 mm, an average grain size of 10 µm to 40 µm, an iron loss (W10/800) of 50 W/Kg or less, a tensile strength between 580 MPa and 700 MPa, and a yield ratio of 0.82 or more.

Career Highlights

O Uyama proudly works at Nippon Steel Corporation, a leading company in the steel industry known for its dedication to innovation and high-quality products. Through her work, Uyama has contributed significantly to advancing technology in the field, further establishing her reputation as a skilled inventor.

Collaborations

Throughout her career, O Uyama has had the privilege of collaborating with esteemed colleagues such as Yoshiaki Natori and Kazutoshi Takeda. These cooperative efforts have enriched her research and led to noteworthy advancements in electrical steel manufacturing techniques.

Conclusion

O Uyama stands out as an influential figure in the innovation of electrical steel sheets, showcasing the potential of scientific advancements in industrial applications. Her pioneering patent contributes valuable knowledge and technology to the steel manufacturing sector, exemplifying the ongoing evolution of materials science in modern engineering.