This inventor holds 1 USPTO granted patent. Top assignees: Dongwoo Fine-Chem, Samsung Electronics Co., Ltd.. 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: Kyu-Sang Ahn: Inventor in Etchant Composition and Array Substrate Manufacturing.
Introduction
Kyu-Sang Ahn is an inventor associated with Yeongdeungpo-gu, South Korea. His work includes a patent concerning etchant composition and methods for forming patterns and manufacturing array substrates.
Latest Patents
Ahn is credited with 1 patent: “Etchant Composition, a Pattern Formation Method and a Manufacturing Method of Array Substrate Using the Etchant Composition.” The etchant contains an alkaline compound, an organoaluminum, and water. It can be used to form patterns and to fabricate array substrates.
Career Highlights
Ahn’s professional affiliations include Samsung Electronics and Dongwoo Fine-Chem.
Collaborations
His listed coworkers include Ji-Won Kim and Jin-Kyu Roh.
Conclusion
Kyu-Sang Ahn’s patent work focuses on an etchant composition and its applications in pattern formation and array substrate manufacturing.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile