Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12221682 | Ultrahigh-strength steel having excellent cold workability and SSC resistance, and manufacturing method therefor | Dae-Woo Kim | 2025-02-11 |
| 12188109 | Steel material for brake disc of motor vehicle having excellent wear resistance and high temperature strength and method of manufacturing the same | Seng-Ho Yu, Kyung-Keun Um | 2025-01-07 |
| 12127408 | Nonvolatile memory device and method for fabricating the same | Bong-Tae Park, Ho-Jun Seong | 2024-10-22 |
| 11913858 | Disc-shaped sample chamber and probe including the same | Bong Baik, Cheol-Jung Kim | 2024-02-27 |
| 11864382 | Three-dimensional semiconductor memory device with vertical channels in a connection region having a lower channel pattern contacting the substrate | Jongwon Kim | 2024-01-02 |
| 11683934 | Nonvolatile memory device and method for fabricating the same | Bong-Tae Park, Ho-Jun Seong | 2023-06-20 |
| 11655714 | Vane and compressor and gas turbine having the same | Jun Hyuk Seo, Sung Ryong Lee, Jae-Woo Choi | 2023-05-23 |
| 11626420 | Semiconductor device | So-Ra Kim, Bong-Tae Park | 2023-04-11 |
| 11603771 | Compressor cleaning apparatus and method, and gas turbine including same apparatus | Kyu Sic Hwang, Young Seok Heo | 2023-03-14 |
| 11473178 | Wear-resistant steel having excellent hardness and impact toughness, and method for producing same | Seng-Ho Yu, Yong Woo Kim | 2022-10-18 |
| 11411024 | Vertical type semiconductor devices and methods of manufacturing the same | Sung Yun LEE, Jae-Hoon Jang, Jae-Duk Lee, Joon Hee Lee | 2022-08-09 |
| 11401572 | High-hardness wear-resistant steel and method for manufacturing same | Seng-Ho Yu, Mun-Young Jung | 2022-08-02 |
| 11371125 | Wear-resistant steel having excellent hardness and impact toughness, and method for producing same | Seng-Ho Yu, Yong Woo Kim | 2022-06-28 |
| 11332802 | High-hardness wear-resistant steel and method for manufacturing same | Seng-Ho Yu, Mun-Young Jung | 2022-05-17 |
| 11325667 | System for changing height of hanger mounting plate | Sangduck Han, Jung Jin Kim | 2022-05-10 |
| 11155906 | Pressure vessel steel having excellent hydrogen induced cracking resistance, and manufacturing method therefor | Dae-Woo Kim, Jong-Kyo Choi | 2021-10-26 |
| 11156994 | Automated guided vehicle control system and method thereof | Kyung Dong Park, Sang-Won Yoon | 2021-10-26 |
| 11133327 | Three-dimensional semiconductor device | Hyoung-ryeol In, Sung Han Cho | 2021-09-28 |
| 11081499 | Nonvolatile memory device and method for fabricating the same | Bong-Tae Park, Ho-Jun Seong | 2021-08-03 |
| 10957708 | Semiconductor device | So-Ra Kim, Bong-Tae Park | 2021-03-23 |
| 10950619 | Semiconductor memory device | Sunghan Cho | 2021-03-16 |
| 10923489 | Three-dimensional semiconductor devices including vertical structures | — | 2021-02-16 |
| 10818687 | Three-dimensional semiconductor memory device with vertical structures penetrating a dummy insulating pattern in a connection region | Jongwon Kim | 2020-10-27 |
| 10811356 | Integrated circuit devices including a vertical memory device | Joon Hee Lee | 2020-10-20 |
| 10770473 | Vertical type semiconductor devices and methods of manufacturing the same | Sung Yun LEE, Jae-Hoon Jang, Jae-Duk Lee, Joon Hee Lee | 2020-09-08 |