Location History:
- Kitakyushu, JP (1989 - 1990)
- Futtsu, JP (2001 - 2002)
Company Filing History:
Years Active: 1989-2002
Title: Innovations by Keiichi Katahira in Steel Refining
Introduction
Keiichi Katahira is a notable inventor based in Futtsu, Japan. He has made significant contributions to the field of steel refining, particularly through his innovative methods and apparatuses. With a total of 4 patents to his name, Katahira's work has had a profound impact on the industry.
Latest Patents
One of his latest patents is a method and apparatus for vacuum decarburization refining of molten steel. This invention utilizes a straight barrel type vacuum refining apparatus that combines a decarburization method. In this method, the flow rate of oxygen fed into a vacuum tank and the flow rate of an inert gas are regulated. Simultaneously, the flow rate of oxygen gas blown is reduced at a rate of 0.5 to 12.5 Nm/h/t/min in a low carbon concentration region, which has a carbon concentration of not more than the critical carbon concentration. Additionally, the vacuum refining apparatus is equipped with dust accumulation preventing means. Another significant patent by Katahira is the method of vacuum decarburization/refining of molten steel.
Career Highlights
Katahira is currently employed at Nippon Steel Corporation, where he continues to develop innovative solutions for steel refining processes. His expertise and dedication to improving the efficiency and effectiveness of these processes have made him a valuable asset to the company.
Collaborations
Throughout his career, Keiichi Katahira has collaborated with esteemed colleagues such as Kiyomi Shio and Noriyuki Kanai. These collaborations have further enhanced the quality and impact of his inventions.
Conclusion
Keiichi Katahira's contributions to the field of steel refining through his innovative patents demonstrate his commitment to advancing technology in this industry. His work continues to influence the methods used in steel production today.