This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignees: Hims Co., Ltd., Samsung Display Co., Ltd.. Active years: 2025.
Company Filing History:
1 out of 2 
1 out of 27,287 
Years Active: 2025
Title: Chanhyeong Cho: Innovator in Photomask Inspection Technology
Introduction
Chanhyeong Cho is a notable inventor based in Yongin, South Korea. He has made significant contributions to the field of photomask inspection technology. His innovative approach has led to the development of a unique apparatus that enhances the efficiency and accuracy of photomask inspections.
Latest Patents
Chanhyeong Cho holds a patent for a "Photomask inspection apparatus and method of inspecting photomask using the same." This invention includes a stage that supports an inspection substrate, a first optical system with a first numerical aperture, and a second optical system with a second numerical aperture. The imaging optical system consists of two objective lenses aligned with their respective optical systems, and a camera captures images passed through this system. The first numerical aperture is greater than the second, which optimizes the inspection process. He has 1 patent to his name.
Career Highlights
Throughout his career, Chanhyeong Cho has worked with prominent companies such as Hims Co., Ltd. and Samsung Display Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to advancements in technology.
Collaborations
Chanhyeong has collaborated with talented individuals in his field, including Daehoon Min and Tae Joon Kim. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Chanhyeong Cho is a distinguished inventor whose work in photomask inspection technology has made a significant impact in the industry. His innovative solutions continue to pave the way for advancements in this critical area of technology.