Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11980330 | Robot cleaner and robot cleaning system including the same | Hwan-Sung Yoo, Yonggil Shin | 2024-05-14 |
| D1004414 | Anti-theft nut | Jin Yong Kim, Kwang Hee Lee, Jae Yun Seo, Min Ho Yeom | 2023-11-14 |
| 8539287 | Method for transmitting control information in wireless communication system | Suk Woo Lee, Min-Seok Oh | 2013-09-17 |
| 7009012 | Supported catalyst for producing syndiotactic styrenic polymer | Sung-Cheol Yoon, Xuequan Zhang, Jae Gon Lim, Hyun Joon Kim | 2006-03-07 |
| 6828270 | Supported catalyst for producing syndiotactic styrenic polymer with high productivity and significantly reduced reactor fouling | Xuequan Zhang, Sung-Cheol Yoon, Jae Gon Lim | 2004-12-07 |
| 6780938 | Reactor alloy of syndiotactic polystyrene having high impact resistance | Sung-Cheol Yoon, Xuequan Zhang, Jae Gon Lim, Hyun Joon Kim | 2004-08-24 |
| 6291385 | Catalyst for polymerization or copolymerization of olefin | Youn K. Kang | 2001-09-18 |
| 6245865 | Polymerization process for preparing syndiotactic polystyrenes through microfluidization | Sang-Sun Woo, Hyun Joon Kim | 2001-06-12 |
| 5369798 | Method and circuit for saving the power of a battery used in a portable radio telephone | — | 1994-11-29 |
| 5185798 | IC card system having a function of authenticating destroyed data | Hiromi Hamada, Kazuya Hirano | 1993-02-09 |