This inventor holds 2 USPTO granted patents and 2 EPO patents. Top assignee: Jfe Steel Corporation. Active years: 2014-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2014-2015
Title: Yasumasa Hirai: Innovator in Bearing Steel Technology
Introduction
Yasumasa Hirai is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced bearing steel. With a total of 2 patents to his name, Hirai's work focuses on enhancing the performance and durability of steel used in various applications.
Latest Patents
Hirai's latest patents include innovations in bearing steel that exhibit excellent workability after spheroidizing-annealing and improved hydrogen fatigue resistance after quenching and tempering. The first patent describes a bearing steel with a specific chemical composition that effectively suppresses the generation of white etching cracks (WEA) in environments where hydrogen penetrates the steel. This innovation aims to enhance the rolling contact fatigue life and workability, including cuttability and forgeability. The second patent similarly addresses the properties of bearing steel, emphasizing its workability and hydrogen fatigue resistance, ensuring that it meets the demands of modern engineering applications.
Career Highlights
Hirai is currently employed at JFE Steel Corporation, a leading company in the steel industry. His expertise in material properties and processing has positioned him as a key figure in the development of high-performance steel products. His work not only contributes to the advancement of technology but also supports various industries that rely on durable and efficient materials.
Collaborations
Hirai collaborates with Kiyoshi Uwai, a fellow innovator in the field. Together, they work on projects that push the boundaries of steel technology, focusing on improving the performance characteristics of materials used in demanding environments.
Conclusion
Yasumasa Hirai's contributions to bearing steel technology highlight his role as an influential inventor in the materials science sector. His innovative patents and collaborations continue to shape the future of steel applications, ensuring enhanced performance and reliability.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile