This inventor holds 1 USPTO granted patent and 4 published patent applications. Top assignee: Taiwan Semiconductor Manufacturing Comp. 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: Hao-ming Chang: Patent Work in Photomask Inspection
Introduction
Hao-ming Chang is an inventor associated with Pingtung, Taiwan. His patent work includes a photomask design and a method for inspecting photomasks.
Latest Patents
Chang is listed as an inventor on one patent, titled “Photomask and Method for Inspecting Photomask.” The disclosure describes a photomask with multiple pattern areas, each defined by a boundary. One pattern area contains a mask feature, while an adjacent training area contains a comparable training feature intended to support inspection.
Career Highlights
Chang is associated with Taiwan Semiconductor Manufacturing Company, Ltd. His recorded patent portfolio includes 1 patent.
Collaborations
Chang’s listed coworkers include Chien-hung Lai and Hsuan-wen Wang.
Conclusion
Hao-ming Chang’s patent work focuses on photomask design and inspection, with a training feature comparable to a mask feature as a central element of the disclosed approach.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile