Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7914648 | Device for web control having a plurality of surface features | Vincent Chan, Hasan Eroglu | 2011-03-29 |
| D422632 | Ink cartridge refill case | Kwang-Choon Chung, Chang-Soo Yu, Nam Bu Cho, Ju Yeon Lee, Ju-Jin Choi | 2000-04-11 |
| 5496947 | Quinolone carboxylic acid derivatives | Sung June Yoon, Chi Woo Lee, Yoon Seok Oh, Dong Rack Choi, Nam Doo Kim | 1996-03-05 |