Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11330836 | Lyocell material for tobacco filter | Woo-Chul Kim, Sang Woo JIN, Burm Ho Yang, Man Seok SEO, Kyung Joon Lee +2 more | 2022-05-17 |
| 11103003 | Modified cross-section lyocell material for tobacco filter, and preparation method therefor | Sang Woo JIN, Sang Yoel LEE, Woo-Chul Kim, Sang-Mok Lee, Jong Yeol Kim +4 more | 2021-08-31 |
| 10806174 | Lyocell material for cigarette filter and method for preparing same | Sang Woo JIN, Sang-Mok Lee, Woo-Chul Kim, Sang Yoel LEE, Jong Yeol Kim +4 more | 2020-10-20 |
| 10617146 | Method of manufacturing a lyocell material for a cigarette filter | Sang Woo JIN, Woo-Chul Kim, Yong-Kwan Cho, Sang-Mok Lee, Sang Yoel LEE +6 more | 2020-04-14 |
| 10517325 | Lyocell material for tobacco filter and method for preparing same | Woo-Chul Kim, Sang Woo JIN, Burm Ho Yang, Man Seok SEO, Kyung Joon Lee +2 more | 2019-12-31 |
| 10306919 | Lyocell material for cigarette filter and method for preparing same | Sang Woo JIN, Sang-Mok Lee, Woo-Chul Kim, Sang Yoel LEE, Jong Yeol Kim +4 more | 2019-06-04 |
| 9638609 | Apparatus for providing sample gas and related methods | Kyung-Hwan Jeong, Jong Soo Kim, Pil-Kwon Jun | 2017-05-02 |
| 9580850 | Lower thread bobbin for sewing machine | — | 2017-02-28 |
| 8584440 | Cellulose-based fiber, and tire cord comprising the same | Young-Se Oh, So-Yeon Kwon, Woo-Chul Kim, Ok-Hwa Jeon, Il Chung +2 more | 2013-11-19 |
| 7539192 | Gateway and control method thereof | Hak-Yong Kim, Jong-oh Im, Hyoun-sun Lee | 2009-05-26 |
| 6939410 | Apparatus and method for collecting impurities on a semiconductor wafer | Yong-Kyun Ko, Byung-Woo Son | 2005-09-06 |