This inventor holds 7 USPTO granted patents. Top assignees: Chong Kun Dang Corporation, Yungjin Pharameutical Ind. Co., Ltd., Other. Active years: 1993-2025.
Location History:
- Choongchungham-Do, KR (1993)
- Kyeongki-do, KR (1997 - 1998)
- Seoul, KR (2001)
- Daegu, KR (2024)
Company Filing History:
2 out of 23 
1 out of 1 
1 out of 834,411 Years Active: 1993-2025
Title: Innovations by Sang Choon Lee
Introduction
Sang Choon Lee is a notable inventor based in Kyeongki-do, South Korea. He has made significant contributions to the field of security devices, holding a total of 7 patents. His work focuses on enhancing personal safety through innovative solutions.
Latest Patents
One of his latest inventions is a self-acting door security device. This device includes a latch bolt of a locking module installed on a swinging door, which engages with a latch hole of a striker mounted on a door frame. This mechanism allows for the locking and unlocking of the swinging door. The self-acting door security device can be easily installed in the gap between a door and a door frame, enabling quick detection of forced openings by intruders. This feature significantly enhances personal safety. Additionally, the device has an improved structure that allows the door to be opened without interference from the latch bolt, even in malfunction conditions. This ensures quick evacuation during emergencies, such as fires. The device comprises an insert plate, a locker plate, a fastening piece, a stop holder, and a stopper member.
Career Highlights
Throughout his career, Sang Choon Lee has worked with various companies, including Chong Kun Dang Corporation. His experience in the industry has allowed him to develop innovative solutions that address real-world problems.
Collaborations
Sang Choon Lee has collaborated with notable individuals in his field, including Hyo Sung Kwak and Chong Ryul Lee. These collaborations have contributed to the advancement of his inventions and the overall safety of the devices he has developed.
Conclusion
Sang Choon Lee's contributions to the field of security devices demonstrate his commitment to enhancing personal safety through innovation. His inventions, particularly the self-acting door security device, reflect his dedication to creating practical solutions for everyday challenges.