Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12185751 | Smoke component-reducing cigarette filter, cigarette, and manufacturing method therefor | Soo Ho Kim, Jin Chul YANG, Jong Yeol Kim, Youn Keun OH, Tae Hoon Kim +1 more | 2025-01-07 |
| 12144368 | Externally heated aerosol generation device and cigarette used in aerosol generation device | Soo Ho Kim, Chang Jin PARK, Ki Jin AHN, Jong Yeol Kim, Jin Chul YANG | 2024-11-19 |
| 12121055 | Cigarette for aerosol generating device and aerosol generating device using cigarette | Jin Chul YANG, Soo Ho Kim, Jong Yeol Kim | 2024-10-22 |
| 12102119 | Aerosol generating article and aerosol generating system | Jin Chul YANG, Soo Ho Kim, Jong Yeol Kim, Ki Jin AHN, In Hyeog Oh | 2024-10-01 |
| 11678696 | Smoking product to which triple care technology for reducing tobacco smell is applied | Hyoung Seok Lee, Hyun Suk Cho, 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, Kyung Joon Lee +2 more | 2022-05-17 |
| 10517325 | Lyocell material for tobacco filter and method for preparing same | Jong Cheol JEONG, Woo-Chul Kim, Sang Woo JIN, Burm Ho Yang, Kyung Joon Lee +2 more | 2019-12-31 |
| 9826777 | Filter and tobacco using technology for reducing smell of tobacco smoke on hands | Hyun Suk Cho, In Hyeog Oh, Burm Ho Yang, Han Jae SHIN, Mi Jang +1 more | 2017-11-28 |
| 6840063 | Optical fiber preform manufacturing method for shrinkage and closing of deposited tube | Sung-Koog Oh, Jin-Seong Yang, Mun-Hyun Do | 2005-01-11 |
| 6841004 | Optical fiber coating device having cooler | Sung-Koog Oh, Kyeong-Sup Kim | 2005-01-11 |
| 6530244 | Optical fiber preform having OH barrier and fabrication method thereof | Sung-Koog Oh | 2003-03-11 |
| 6487880 | Optical fiber preform manufacturing apparatus | Sung-Koog Oh, Jin-Seong Yang, Mun-Hyun Do | 2002-12-03 |
| 6408653 | Apparatus and method for manufacturing optical fiber preform by MCVD | Sung-Koog Oh, Mun-Hyun Do, Jin-Seong Yang | 2002-06-25 |
| 6279354 | Cooler of optical fiber draw tower | Un-Chul Paek, Sung-Koog Oh, Kyu-Hwan Hwang | 2001-08-28 |
| 6280850 | Optical fiber preform having OH barrier and manufacturing method thereof | Sung-Koog Oh, Mun-Hyun Do, Jin-Seong Yang | 2001-08-28 |
| 6053013 | Apparatus and method for overcladding optical fiber preform rod and optical fiber drawing method | Seung-Hun Oh, Ki-Un Namkoong, Un-Chul Paek, Kyung Hwan Oh, Ghie-Hugh Song +2 more | 2000-04-25 |