Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391448 | Double formulation packaging pouch with easy-opening and easy-liquid drinking features | Byoung Man Kong, Hyeok Min Kwon, Mi-Kyoung Kim | 2025-08-19 |
| 12351885 | Wire rod for graphitization heat treatment, graphite steel, and manufacturing method therefor | Nam-Suk Lim, Se-Hong Min, Seon Gu Lee | 2025-07-08 |
| 12264379 | Steel wire rod having excellent spheroidizing heat treatment properties and method of manufacturing same | Sang Yoon Lee, Jae Seung Lee, Byoung-Gab Lee | 2025-04-01 |
| 12227824 | Steel wire rod enabling omission of softening heat treatment and method of manufacturing same | Jae Seung Lee, Yo-Sep Yang, Han Hwi Kim | 2025-02-18 |
| 11441202 | Wire rod for cold heading, processed product using same, and manufacturing method therefor | Jae Seung Lee, Han Hwi Kim, Byoung-Gab Lee, Sang Yoon Lee | 2022-09-13 |
| 10774204 | Crosslinked polyethylene composition | Ka Ram Sun, Youn Sun Nam, Young Il Song | 2020-09-15 |
| 10655196 | Austenitic steel having excellent machinability and ultra-low temperature toughness in weld heat-affected zone, and method of manufacturing the same | Soon-Gi LEE, Jong-Kyo Choi, Young Hwan Park, Hee-Goon Noh, Hyun-Kwan Cho +2 more | 2020-05-19 |
| 10570532 | Polyolefin pellet for preparing fiber and fiber comprising the same | Jong Yong Bae, Nak-Kyu Song, Yi Young Choi | 2020-02-25 |
| 10301707 | Steel having excellent weldability and impact toughness of welding zone | Hak-Cheol Lee, In-Shik Suh, Yong Jin Kim | 2019-05-28 |
| 10041156 | High strength austenitic-based steel with remarkable toughness of welding heat-affected zone and preparation method therefor | Hak-Cheol Lee, In-Shik Suh, Soon-Gi LEE, Yong Jin Kim, Hong-Ju Lee | 2018-08-07 |
| 9945014 | High-manganese wear resistant steel having excellent weldability and method for manufacturing same | Soon-Gi LEE, In-Shik Suh, Hong-Ju Lee | 2018-04-17 |
| 9920186 | Crosslinked polyethylene resin composition | Ka Ram Sun, Youn Sun Nam, Young Il Song | 2018-03-20 |
| 9897655 | Scan chain circuit and integrated circuit including the same | Dong-Wook Seo, Chan-Ho Lee | 2018-02-20 |
| 9650703 | Wear resistant austenitic steel having superior machinability and toughness in weld heat affected zones thereof and method for producing same | Soon-Gi LEE, Jong-Kyo Choi, Hee-Goon Noh, Hong-Ju Lee, In-Shik Suh | 2017-05-16 |
| 9589700 | Cross-linked polyethylene compositions | Ka Ram Sun, Youn Sun Nam, Young Il Song, Sang Rok Do | 2017-03-07 |
| 9390812 | E-fuse test device and semiconductor device including the same | Hyun Choi, Jung-Hak Song | 2016-07-12 |
| 8934313 | Negative voltage generator and semiconductor memory device | Tae-Joong Song, Gyu-Hong Kim, Jae Seung Choi, Soung-Hoon Sim, Chan-Ho Lee +2 more | 2015-01-13 |
| 8590767 | Method for welding hollow structure | Chang-Kun Chun, Woong-Seong Chang, Tae-Sung Roh | 2013-11-26 |
| 7782701 | Power gating circuit, system on chip circuit including the same and power gating method | Dong-Wook Seo, Jong-Hoon Jung, Chan-Ho Lee | 2010-08-24 |
| 7042750 | Read only memory devices with independently precharged virtual ground and bit lines | Yong-jae Choo | 2006-05-09 |
| 6947343 | Semiconductor memory device | — | 2005-09-20 |
| 6801446 | Read only memory devices with independently precharged virtual ground and bit lines and methods for operating the same | Yong-jae Choo | 2004-10-05 |
| 6586869 | Electrodes of electron gun | Young-kon Hong | 2003-07-01 |
| 6441568 | Electron gun for cathode ray tube | Young-kon Hong | 2002-08-27 |
| 5039906 | Electron gun for color cathode ray tube | — | 1991-08-13 |