Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12274178 | Logic element using spin-orbit torque and magnetic tunnel junction structure | Jin Pyo Hong, Jeong-Woo Seo | 2025-04-08 |
| 12108683 | Magnetic tunnel junction device and operating method therefor | Jin Pyo Hong, Yoon Seong Choi | 2024-10-01 |
| 11701598 | Structure for coupling assembly blocks | Seok-Bong Lee, Deok Ha Woo, Taik Jin LEE, Yong Joon Park | 2023-07-18 |
| 10737191 | Assembly unit for toy assembly block | Seok-Bong Lee, Taikjin Lee, Won Kyo JEONG, Sun Ho Kim, Hyunsoo Chung +3 more | 2020-08-11 |
| 10737190 | Smart toy platform | Seok-Bong Lee, Taikjin Lee, Hyunduk Kim, Won Kyo JEONG, Soo Jung HUR +2 more | 2020-08-11 |
| 10188961 | Assembly unit for toy assembly block | Seok-Bong Lee, Taikjin Lee, Won Kyo JEONG, Sun Ho Kim, Hyunsoo Chung +3 more | 2019-01-29 |
| 9816747 | Refrigerator and manufacturing method thereof | Jae Koog An, Byung Su Kim | 2017-11-14 |
| 9604324 | Refrigerator and manufacturing method thereof | Jae Koog An, Byung Su Kim | 2017-03-28 |
| 9492898 | Refrigerator including a refrigerant pipe assembly and manufacturing method thereof | Jae Koog An, Byung Su Kim | 2016-11-15 |
| 8359790 | Multi doorlock using braking resistance of DC motor | — | 2013-01-29 |
| 7975987 | Wire-twisting prevention device of lifting reel with four-line wire structure and lifting reel having the same | — | 2011-07-12 |
| 6894830 | Bi-directional optical-amplifier module | Chang Hee Lee, Yun-Je Oh, Seong-Taek Hwang, Hyun Deok Kim, Yunhee CHO | 2005-05-17 |
| 6832017 | Bidirectional add/drop multiplexer and bidirectional add/drop amplifier module for band-split bidirectional networks | Chang Hee Lee, Hyun Deok Kim, Tae Won Oh, Yun Hee Cho | 2004-12-14 |
| 6775058 | Wide band optical amplifier | Chang Hee Lee, Hyun Deok Kim, Yun Hee Cho | 2004-08-10 |
| 6735391 | Automatic retrieval of wavelength-division multiplexed ring networks | Chang Hee Lee, Hyun Deok Kim | 2004-05-11 |
| 6529656 | Bi-Directional add/drop multiplexer and bidirectional add/drop amplifier module for wavelength interleaved bidirectional networks | Chang Hee Lee, Hyun Deok Kim, Tae Won Oh, Yun Hee Cho | 2003-03-04 |