Company Filing History:
13 out of 11,315 
9 out of 192 
1 out of 832,880 Years Active: 1995-2001
Title: Byung-Ryul Ryum: A Pioneer in Advanced Bipolar Transistor Technology
Introduction
Byung-Ryul Ryum, an accomplished inventor based in Daejeon, South Korea, has made significant contributions to the field of semiconductor technology. With a portfolio that includes 14 patents, Ryum has been at the forefront of innovations aimed at enhancing the performance and efficiency of bipolar transistors.
Latest Patents
Ryum's most recent inventions demonstrate a deep understanding of semiconductor fabrication techniques. One notable patent is the "Method for fabricating a super self-aligned bipolar transistor." This invention introduces a method for manufacturing a super self-aligned heterojunction bipolar transistor, capable of miniaturizing elements and simplifying the manufacturing process. By employing a selective collector epitaxial growth process, this method eliminates the need for a trench to isolate elements, making it less prone to leakage currents and short effects.
Another significant patent is the "Method for fabricating a lateral collector structure on a buried oxide." This innovation presents a collector device in bipolar technology featuring a lateral collector structure situated on a buried oxide layer. The design enhances high breakdown voltage, allowing for high power operation at increased speeds, due to the effective isolation provided by the buried oxide film.
Career Highlights
Throughout his career, Byung-Ryul Ryum has worked with leading organizations in the field of telecommunications and electronics. Notable employers include the Electronics and Telecommunications Research Institute and the Korea Telecommunication Authority. His work has been pivotal in advancing technologies that support modern communication systems.
Collaborations
Ryum has collaborated with talented coworkers such as Soo-Min Lee and Deok-Ho Cho, contributing to a dynamic research environment that fosters innovation and technical development.
Conclusion
Byung-Ryul Ryum's inventive spirit and dedication to advancing semiconductor technology have earned him a respected place among contemporary inventors. His latest patents reflect a commitment to not only simplify manufacturing processes but also enhance the performance of vital electronic components. Through his work, Ryum continues to influence the field and inspire future innovations in technology.