Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12300546 | Wafer dividing method | — | 2025-05-13 |
| 12116482 | Racing tire rubber composition and method for manufacturing same | Dong Hoon OH, Young Woo Lim | 2024-10-15 |
| 9006132 | Process for preparing catalyst composition for the synthesis of carbon nanotube with high yields using the spray pyrolysis method | Sang-Hyo Ryu, Hyun-Kyung Sung, Wan Sung Lee, Dong Hwan Kim, Youngchan Jang | 2015-04-14 |
| 8398894 | Catalyst for preparing carbon nanotubes by controlling its apparent density | Hyun-Kyung Sung, Dong Hwan Kim, Sang-Hyo Ryu, Wan Sung Lee, Youngchan Jang | 2013-03-19 |
| 8202818 | Catalyst composition for preparing carbon nanotube | Hyun-Kyung Sung, Wan Sung Lee, Dong Hwan Kim, Youngchan Jang | 2012-06-19 |
| 8137591 | Catalyst for preparing carbon nanotube comprising multi-component support materials containing amorphous silicon particles and the bulk scale preparation of carbon nanotube using the same | Dong Hwan Kim, Sang-Hyo Ryu, Wan Sung Lee, Hyun-Kyung Sung, Youngchan Jang | 2012-03-20 |
| 8048821 | Catalyst composition for the synthesis of thin multi-walled carbon nanotube and its manufacturing method | Sang-Hyo Ryu, Dong Hwan Kim, Wan Sung Lee, Hyun-Kyung Sung, Youngchan Jang | 2011-11-01 |
| 6756448 | Styrene copolymer | Kwanyoung Lee | 2004-06-29 |