Masahiro Nakagawa

Title: The Innovations of Masahiro Nakagawa

Introduction

Masahiro Nakagawa is a prominent inventor based in Toyota, Japan. He has made significant contributions to the field of materials science, particularly in the development of hard facing alloys. With a total of five patents to his name, Nakagawa's work has had a substantial impact on various industries, especially automotive manufacturing.

Latest Patents

One of Nakagawa's latest patents involves a hard facing chromium-base alloy. This alloy consists of 30.0 to 48.0% by weight of nickel, 1.5 to 15.0% by weight of tungsten and/or 1.0 to 6.5% by weight of molybdenum, with the balance being more than 40.0% by weight of chromium. The maximum sum of tungsten and molybdenum is capped at 15.0% by weight. Additionally, the alloy may contain elements such as iron, cobalt, carbon, boron, aluminum, silicon, niobium, and titanium. When used in powder form for hard facing by welding, it can also include 0.01 to 0.12% by weight of aluminum, yttrium, misch metal, titanium, zirconium, and hafnium, along with 0.01 to 0.1% by weight of oxygen. This alloy is known for its high toughness, wear resistance, and corrosion resistance, making it suitable for applications such as automobile engine valves.

Career Highlights

Throughout his career, Nakagawa has worked with notable companies, including Fukuda Metal Foil & Powder Co., Ltd. and Toyota Motor Corporation. His experience in these organizations has allowed him to refine his expertise in materials engineering and innovation.

Collaborations

Some of Nakagawa's coworkers include Kensuke Hidaka and Kanichi Tanaka. Their collaborative efforts have contributed to the advancement of materials technology in their respective fields.

Conclusion

Masahiro Nakagawa's contributions to the development of hard facing alloys exemplify the importance of innovation in materials science. His patents reflect a commitment to enhancing the performance and durability of industrial materials.