This inventor holds 12 USPTO granted patents and 5 published patent applications and 8 EPO patents. Top assignees: Posco, Posco Co., Ltd, Pohang University of Science and Technology Foundation. Active years: 2014-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
7 out of 706 
4 out of 255 
1 out of 1,108 Years Active: 2014-2026
Title: Innovations of Jai-Hyun Kwak
Introduction
Jai-Hyun Kwak is a notable inventor based in Gwangyang-si, South Korea. He has made significant contributions to the field of materials science, particularly in the development of advanced steel products. With a total of 11 patents to his name, his work focuses on improving the properties and performance of steel used in various applications.
Latest Patents
One of his latest patents is a method for preventing spot welding cracks in galvanized steel plates. This invention addresses the issue of cracks that occur due to molten zinc's low melting point during the spot welding of galvanized advanced high strength steel (AHSS) plates. By implementing this method, the welding strength and fatigue life of the steel can be significantly improved. Another notable patent involves a high-strength cold rolled steel sheet and galvannealed steel sheet with excellent burring properties. This steel sheet includes specific percentages of carbon, silicon, manganese, aluminum, chromium, molybdenum, phosphorus, sulfur, nitrogen, and iron, along with a defined microstructure that enhances its performance.
Career Highlights
Throughout his career, Jai-Hyun Kwak has worked with prominent companies such as Posco and Posco Co., Ltd. His experience in these organizations has allowed him to apply his innovative ideas and contribute to advancements in steel manufacturing.
Collaborations
He has collaborated with esteemed colleagues, including Hang-Sik Cho and Kyoo-Young Lee, to further enhance the development of steel technologies.
Conclusion
Jai-Hyun Kwak's contributions to the field of materials science, particularly in steel innovation, have made a significant impact. His patents reflect a commitment to improving the quality and performance of steel products, showcasing his expertise and dedication to innovation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile