This inventor holds 1 USPTO granted patent and 4 published patent applications. Top assignee: Semes 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: Ji Won Cha: Inventor in Substrate Treatment Technology.
Introduction
Ji Won Cha is an inventor based in Hwaseong, South Korea. His patent work concerns substrate treatment equipment and methods, including systems for coordinating substrate measurements with transfer-robot positioning.
Latest Patents
Cha is associated with one patent, 1 patent: “Substrate Treating Apparatus and Substrate Treating Method.” The invention describes an analysis part that uses boundary information to calculate the center coordinates of a substrate and its support unit. It assigns those coordinates to the measurement unit and transfer robot, then converts coordinate systems to teach the robot how to position and transfer the substrate.
Career Highlights
Cha’s listed patent is associated with Semes Co., Ltd., a company working in semiconductor manufacturing equipment. The invention addresses coordinate alignment between measurement equipment, substrate supports, and transfer robots.
Collaborations
Chung Woo Lee and Se Won Kim are identified as Cha’s coworkers.
Conclusion
Ji Won Cha’s patent focuses on improving substrate handling by aligning measurement and robot coordinate systems, reflecting his contribution to semiconductor equipment technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile