Company Filing History:
Years Active: 1999-2003
Title: Innovations by Sang Chul Lee
Introduction
Sang Chul Lee is a notable inventor based in Kyeonggi-do, South Korea. He has made significant contributions to the field of technology, particularly in the area of audio devices. With a total of 2 patents to his name, his work reflects a commitment to enhancing sound quality and efficiency.
Latest Patents
One of his latest patents is a bone-conduction transducer. This innovative device comprises a plate-shaped yoke bent to form a pair of cut portions at both ends. It features voice coils fitted to a center extension of the cut portions, a magnet, and a plate of rectangular parallelepiped shape disposed between the voice coils. The diaphragm is minutely spaced from a lower part of the plate. This invention optimizes the bone-conduction transducer by fitting the voice coils to both center extensions of the yoke, converting electrical signals into magnetic attractive and repulsive forces. Additionally, it enhances output efficiency, minimizes noise, and drastically reduces distortion by improving the functions of a base supporting the diaphragm and using diaphragms made of very low magnetic resistance material.
Another significant patent by Sang Chul Lee is the process for preparing cyclosporin A. This process showcases his versatility and expertise in different areas of research and development.
Career Highlights
Sang Chul Lee has worked with reputable companies such as Dowumitec Corporation and Chong Kun Dang Corporation. His experience in these organizations has contributed to his growth as an inventor and has allowed him to collaborate on various innovative projects.
Collaborations
Throughout his career, Sang Chul Lee has collaborated with notable coworkers, including Bon Youn Koo and Jung Woo Kim. These partnerships have likely enriched his work and led to the development of groundbreaking technologies.
Conclusion
Sang Chul Lee's contributions to the field of audio technology and pharmaceuticals highlight his innovative spirit and dedication to improving existing technologies. His patents reflect a deep understanding of engineering principles and a commitment to enhancing user experience.