Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11678696 | Smoking product to which triple care technology for reducing tobacco smell is applied | Man Seok SEO, Hyoung Seok Lee, Jong Yeol Kim, Seung Hwan Lee, Ik Pyo Lee | 2023-06-20 |
| 11330836 | Lyocell material for tobacco filter | Jong Cheol JEONG, Woo-Chul Kim, Sang Woo JIN, Burm Ho Yang, Man Seok SEO +2 more | 2022-05-17 |
| 11103003 | Modified cross-section lyocell material for tobacco filter, and preparation method therefor | Jong Cheol JEONG, Sang Woo JIN, Sang Yoel LEE, Woo-Chul Kim, Sang-Mok Lee +4 more | 2021-08-31 |
| 10806174 | Lyocell material for cigarette filter and method for preparing same | Jong Cheol JEONG, Sang Woo JIN, Sang-Mok Lee, Woo-Chul Kim, Sang Yoel LEE +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, Jong Cheol JEONG, Sang-Mok Lee +6 more | 2020-04-14 |
| 10517325 | Lyocell material for tobacco filter and method for preparing same | Jong Cheol JEONG, Woo-Chul Kim, Sang Woo JIN, Burm Ho Yang, Man Seok SEO +2 more | 2019-12-31 |
| 10306919 | Lyocell material for cigarette filter and method for preparing same | Jong Cheol JEONG, Sang Woo JIN, Sang-Mok Lee, Woo-Chul Kim, Sang Yoel LEE +4 more | 2019-06-04 |
| 9826777 | Filter and tobacco using technology for reducing smell of tobacco smoke on hands | Man Seok SEO, In Hyeog Oh, Burm Ho Yang, Han Jae SHIN, Mi Jang +1 more | 2017-11-28 |
| 9492981 | Film for tire inner liner and method for manufacturing the same | Ki-Sang Song, Yun-Jo Kim, Si Min Kim | 2016-11-15 |
| 7041214 | Waste water treatment system | Seo Lee, Jong-Gyung Kim, Sung Woo Kim, Jung-Yong Kim, Jae-Keun Seo | 2006-05-09 |
| 6515293 | Method and apparatus for detecting thickness of thin layer formed on a wafer | Chung-Sam Jun, Sang-Mun Chon, Sang-bong Choi, Pil-Sik Hyun | 2003-02-04 |