Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12305249 | High-strength structural steel having excellent cold bendability, and manufacturing method therefor | Il-Cheol Yi, Sang-Deok Kang | 2025-05-20 |
| 11918086 | Method for producing shoe sole | Hwi Joon Cho | 2024-03-05 |
| 11591677 | High-strength structural steel material having excellent fatigue crack propagation inhibitory characteristics and manufacturing method therefor | Il-Cheol Yi, Sang-Deok Kang | 2023-02-28 |
| 11572600 | Structural steel having excellent brittle crack propagation resistance, and manufacturing method therefor | Il-Cheol Yi, Sang-Deok Kang | 2023-02-07 |
| 11149326 | High-strength and high-manganese steel having excellent low-temperature toughness and manufacturing method therefor | Il-Cheol Yi, Jae-Yong Chae, Sang-Deok Kang, Hong-Yeol Oh, Tae-Il So | 2021-10-19 |
| D925184 | Shoe sole | Hwi Joon Cho | 2021-07-20 |
| 10849646 | Device for cutting artificial anus protection plate | — | 2020-12-01 |
| 10033020 | Method of manufacturing organic light emitting display | — | 2018-07-24 |
| 9741970 | Method of manufacturing organic light emitting display | — | 2017-08-22 |
| 8702880 | High strength and low yield ratio steel for structure having excellent low temperature toughness | Kyung-Keun Um, Jong-Kyo Choi | 2014-04-22 |
| 8686185 | Manufacturing method of 2-hydroxy-5-phenylalkylaminobenzoic acid derivatives and their salts | Byoung Joo Gwag, Young Ae Lee, Cheng Qiling, Yulian Wu, Li Xing | 2014-04-01 |
| 8598383 | Pharmaceutical composition for treating or preventing degenerative and inflammatory diseases | Byoung Joo Gwag, Sung Ig Cho, Young Ae Lee, Han-Yeol Byun, Doo-Soon Lim +6 more | 2013-12-03 |
| 8455470 | Pharmaceutical composition for treating or preventing degenerative and inflammatory diseases | Byoung Joo Gwag, Sung Ig Cho, Young Ae Lee, Han-Yeol Byun, Doo-Soon Lim +6 more | 2013-06-04 |
| 8288784 | Organic light emitting display device | — | 2012-10-16 |
| 8120020 | Organic light emitting device | Sam-Il Kho, Dong-Seob Jeong, Sung Woo Cho, Min-Chul Suh | 2012-02-21 |