Company Filing History:
Years Active: 1999-2012
Title: Innovations by Hiroshi Hirata
Introduction
Hiroshi Hirata is a notable inventor based in Muroran, Japan. He has made significant contributions to the field of materials science, particularly in the development of steel with enhanced machinability. With a total of 4 patents to his name, Hirata's work has had a considerable impact on the industry.
Latest Patents
Hirata's latest patents include a method of production of steel superior in machinability. This invention provides a steel composition that includes, by weight percentage, C: 0.005 to 0.2%, Si: 0.001 to 0.5%, Mn: 0.2 to 3.0%, P: 0.001 to 0.2%, S: 0.03 to 1.0%, T.N: 0.002 to 0.02%, T.O: 0.0005 to 0.035%, with the balance being Fe and unavoidable impurities. The steel satisfies one or both of the conditions: Mn/S in the steel being 1.2 to 2.8 or an area ratio of pearlite over a grain size of 1 µm in the microstructure being not more than 5%.
Another patent titled "Superior in machinability and method of production of same" shares similar specifications and aims to enhance the machinability of steel, showcasing Hirata's dedication to improving material properties.
Career Highlights
Hirata is currently employed at Nippon Steel Corporation, where he continues to innovate and develop new materials. His work has been instrumental in advancing the capabilities of steel used in various applications.
Collaborations
Hirata has collaborated with notable colleagues such as Masayuki Hashimura and Kohichi Isobe. Their combined expertise has contributed to the successful development of innovative steel products.
Conclusion
Hiroshi Hirata's contributions to the field of materials science, particularly in steel production, highlight his role as a significant inventor. His patents reflect a commitment to enhancing machinability, which is crucial for various industrial applications.