This inventor holds 6 USPTO granted patents and 6 published patent applications and 2 EPO patents. Top assignees: Posco, Posco Co., Ltd. Active years: 2022-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2022-2026
Title: Innovations of Kang-Hyun Choi in High-Strength Steel Manufacturing
Introduction
Kang-Hyun Choi is a notable inventor based in Gwangyang-si, South Korea. He has made significant contributions to the field of materials engineering, particularly in the manufacturing of high-strength steel sheets. With a total of 6 patents to his name, Choi's work has advanced the capabilities of steel processing and production.
Latest Patents
One of Choi's latest patents is a method of manufacturing high-strength steel sheets that possess excellent processability. This innovative method includes several steps: reheating a steel slab, hot-rolling it at an Ar3 transformation point or higher, and coiling it within a temperature range of 400 to 700°C. The process also involves primary cooling at a controlled rate to room temperature, producing a cold-rolled steel sheet with a cold reduction ratio of 40 to 70%. Furthermore, the method includes continuously annealing the cold-rolled steel sheet and implementing secondary and third cooling processes to achieve optimal properties. The resulting high-strength steel sheet boasts a tensile strength of 780 MPa or higher, along with a low yield ratio and excellent ductility.
Career Highlights
Throughout his career, Kang-Hyun Choi has worked with prominent companies in the steel industry, including Posco Co., Ltd. and Posco. His experience in these organizations has allowed him to refine his expertise in steel manufacturing processes and contribute to innovative advancements in the field.
Collaborations
Choi has collaborated with notable colleagues such as Yeon-Sang Ahn and Chang-Hyo Seo. These partnerships have facilitated the exchange of ideas and expertise, further enhancing the quality of his inventions.
Conclusion
Kang-Hyun Choi's contributions to the manufacturing of high-strength steel sheets demonstrate his innovative spirit and commitment to advancing materials engineering. His patents reflect a deep understanding of steel processing, which has the potential to impact various industries significantly.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile