Company Filing History:
Years Active: 2015-2016
Title: Yeon Ja Lee: Innovator in Carbon Nanotube Synthesis
Introduction
Yeon Ja Lee is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of materials science, particularly in the synthesis of carbon nanotubes. With a total of 2 patents, his work has implications for various industrial applications.
Latest Patents
Yeon Ja Lee's latest patents focus on catalyst compositions for the synthesis of multi-walled carbon nanotubes. The first patent describes a catalyst composition that achieves high apparent density and yield. This multi-component metal catalyst includes a main catalyst of iron (Fe) and molybdenum (Mo), an inactive support of aluminum (Al), and an optional co-catalyst selected from cobalt (Co), nickel (Ni), titanium (Ti), manganese (Mn), tungsten (W), tin (Sn), or copper (Cu). The invention results in multi-walled carbon nanotubes with fibrous diameters ranging from 5 to 15 nm and bundle diameters from 0.5 to 4 micrometers.
Career Highlights
Yeon Ja Lee is currently employed at Korea Kumho Petrochemical Co., Ltd., where he continues to advance his research in carbon nanotube synthesis. His innovative work has positioned him as a key figure in the field, contributing to the development of advanced materials.
Collaborations
He has collaborated with notable coworkers, including Sang Kyu Choi and Sang Hyo Ryu, to further enhance the research and development of catalyst compositions.
Conclusion
Yeon Ja Lee's contributions to the synthesis of carbon nanotubes through innovative catalyst compositions highlight his role as a leading inventor in the field. His work not only advances scientific knowledge but also has practical applications in various industries.