This inventor holds 1 USPTO granted patent. Top assignee: Posco. Active years: 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: 2026
Title: Youngkwang Hong and His Steel-Sheet Patent.
Introduction
Youngkwang Hong is an inventor based in Pohang-si, South Korea, and is associated with POSCO. His work includes a patent focused on improving the phosphatability of steel sheet.
Latest Patents
Hong is credited with 1 patent: “Steel Sheet with Excellent Phosphatability and Manufacturing Method Therefor.” The invention describes a steel sheet with specified ranges of carbon, silicon, manganese, aluminum, and phosphorus, with the remainder consisting of iron and unavoidable impurities. It also specifies an oxide layer no thicker than 10 nanometers inward from the sheet’s surface and sets a limit on the combined manganese, silicon, and aluminum content relative to phosphorus. The disclosed composition and surface characteristics are intended to provide excellent phosphatability.
Career Highlights
Hong’s listed patent connects his work at POSCO with steel composition and manufacturing methods. The patent’s focus is controlling the steel’s chemical composition and surface oxide layer to support phosphatability.
Collaborations
Jina Kim and Byoungho Lee are identified as Hong’s coworkers. The available information does not specify their roles in the patent or the extent of their collaboration.
Conclusion
Youngkwang Hong’s patent addresses phosphatability through defined steel chemistry and surface-layer requirements, reflecting his association with POSCO’s steel-related innovation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile