Norihisa Iida

Title: Norihisa Iida: Innovator in Pure Copper Technology

Introduction

Norihisa Iida is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of materials science, particularly in the development of high-purity copper products. With a total of 3 patents to his name, Iida's work is recognized for its innovative approach to enhancing the properties of copper materials.

Latest Patents

Iida's latest patents include advancements in pure copper plates. One of his notable inventions is a pure copper plate that boasts a purity of 99.96 mass % or higher, with minimal unavoidable impurities. This plate is designed to have an amount of phosphorus (P) at 2 mass ppm or less, and a total amount of lead (Pb), selenium (Se), and tellurium (Te) at 10 mass ppm or less. Additionally, the amount of sulfur (S) can range from 2 mass ppm to 20 mass ppm. Another significant patent involves a pure copper sheet that includes 99.96 mass % or more of copper, with specific limits on phosphorus and a total content of silver (Ag) and iron (Fe). This invention also emphasizes the importance of crystal grain size and orientation, ensuring high-quality material properties.

Career Highlights

Norihisa Iida is currently employed at Mitsubishi Materials Corporation, where he continues to innovate in the field of materials science. His work has not only advanced the understanding of copper materials but has also contributed to the development of applications that require high-purity metals.

Collaborations

Iida collaborates with talented coworkers such as Hiroyuki Mori and Yuki Ito. Their combined expertise fosters a creative environment that drives innovation in their projects.

Conclusion

Norihisa Iida's contributions to the field of pure copper technology highlight his role as a leading inventor in materials science. His patents reflect a commitment to enhancing the quality and performance of copper products, making a significant impact in various applications.