Masato Yanase

Title: Masato Yanase: Innovator in High Strength Spring Steel

Introduction

Masato Yanase is a notable inventor based in Muroran, Japan. He has made significant contributions to the field of materials science, particularly in the development of high strength spring steel. His innovative approach has led to advancements that benefit various industries.

Latest Patents

Yanase holds a patent for a high strength spring steel and the process for producing it. This invention provides a valve spring steel with a tensile strength ranging from 210 to 240 kgf/mm² after oil tempering. The composition of this steel includes 0.65 to 0.85% of carbon, 1.90 to 2.40% of silicon, 0.50 to 1.00% of manganese, 0.70 to 1.30% of chromium, 0.10 to 0.30% of molybdenum, 0.20 to 0.50% of vanadium, and 0.01 to 0.04% of niobium, with the balance being iron and unavoidable impurities. The production process involves heating the material at temperatures between 1,050 to 1,250 degrees Celsius and rolling it to achieve a carbide size of up to 0.15 µm in terms of equivalent circle. This innovation allows for the production of valve springs with high tensile strength while significantly reducing material costs.

Career Highlights

Throughout his career, Yanase has worked with prominent companies such as Chuo Hatsujo Kabushiki Kaisha and Nippon Steel Corporation. His experience in these organizations has contributed to his expertise in materials engineering and patent development.

Collaborations

Yanase has collaborated with notable colleagues, including Masayuki Hashimura and Toshio Ozone. These partnerships have fostered a creative environment that has led to further innovations in the field.

Conclusion

Masato Yanase's contributions to the development of high strength spring steel exemplify his innovative spirit and dedication to advancing materials science. His work not only enhances product performance but also reduces production costs, making a significant impact in the industry.