This inventor holds 1 USPTO granted patent and 2 published patent applications. Top assignee: Samsung Electronics 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: Seongpil Chang and His Work in Vertical Nonvolatile Memory
Introduction
Seongpil Chang is an inventor based in Suwon-si, South Korea. His recorded patent work concerns vertical nonvolatile memory technology and methods for manufacturing such devices.
Latest Patents
Chang is associated with 1 patent: “Vertical Nonvolatile Memory Device Having Hydrogen Diffusion Barrier Layer and Manufacturing Method Thereof.” The invention describes a device with a peripheral circuit portion, hydrogen diffusion barrier layers, insulating layers, a common source line layer, and a memory cell stack structure. The barrier layers are positioned to limit hydrogen diffusion within the device structure.
Career Highlights
Chang’s listed patent is associated with Samsung Electronics Ltd., a company active in electronics and semiconductor technologies. The patent focuses on the structure and manufacture of vertical nonvolatile memory devices.
Collaborations
Chang’s listed coworkers include Sohyeon Lee and Sea Hoon Lee. Their names are associated with the same patent record.
Conclusion
Seongpil Chang’s recorded invention addresses hydrogen diffusion barriers in vertical nonvolatile memory devices, reflecting work connected to semiconductor memory design and manufacturing.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile