This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignees: Samsung Electronics Co., Ltd., Samsung Electronics Ltd.. Active years: 2025-2026.
Company Filing History:
1 out of 132,108 
1 out of 5,871 Years Active: 2025-2026
Title: Daehwan Choi: Innovator in Semiconductor Manufacturing
Introduction
Daehwan Choi is a prominent inventor based in Suwon, South Korea. He has made significant contributions to the field of semiconductor manufacturing. His innovative methods have the potential to enhance the efficiency and performance of semiconductor devices.
Latest Patents
Daehwan Choi holds a patent for a "Method of manufacturing semiconductor device." This patent describes a process that includes forming a stacked structure by alternating gate layers and interlayer insulating layers on a substrate. It also involves creating a channel structure that passes through the stacked structure vertically. The method includes several steps, such as etching the stacked structure to form an opening, applying a gate insulating layer, and modifying the oxygen vacancy concentration in a variable resistive material layer through plasma treatment or annealing. The process culminates in forming a core insulating pattern and a pad pattern on the core insulating layer.
Career Highlights
Daehwan Choi is currently employed at Samsung Electronics Co., Ltd., a leading company in the technology sector. His work at Samsung has allowed him to be at the forefront of semiconductor innovation. His expertise in manufacturing processes has contributed to the advancement of semiconductor technology.
Conclusion
Daehwan Choi is a notable inventor whose work in semiconductor manufacturing showcases his innovative spirit and technical expertise. His contributions are likely to have a lasting impact on the industry.