Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359344 | Silicon carbide powder and method for manufacturing silicon carbide ingot using the same | Jong Hwi Park, Kap-Ryeol Ku, Jung Woo Choi, Jung Doo Seo, Myung-Ok Kyun | 2025-07-15 |
| 12325933 | Silicon carbide powder, method for manufacturing silicon carbide ingot using the same, and silicon carbide wafer | Jong Hwi Park, Kap-Ryeol Ku, Jung Woo Choi, Jung Doo Seo, Myung-Ok Kyun | 2025-06-10 |
| 12320033 | Silicon carbide wafer and method of preparing the same | Jong Hwi Park, Kap-Ryeol Ku, Jung Woo Choi, Byung Kyu Jang, Myung-Ok Kyun +1 more | 2025-06-03 |
| 12270122 | Silicon carbide wafer and semiconductor device | Jung Woo Choi, Myung-Ok Kyun, Jong Hwi Park, Jung Doo Seo, Kap-Ryeol Ku | 2025-04-08 |
| 12136653 | Silicon carbide wafer and semiconductor device applied the same | Jung Woo Choi, Jong Hwi Park, Jung Doo Seo, Kap-Ryeol Ku | 2024-11-05 |
| 12037704 | Silicon carbide wafer and method of manufacturing same | Myung-Ok Kyun, Kap-Ryeol Ku, Jung Woo Choi, Jung Doo Seo, Jong Hwi Park | 2024-07-16 |
| 11969917 | Manufacturing method of silicon carbide wafer, silicon carbide wafer and system for manufacturing wafer | Kap-Ryeol Ku, Jung Doo Seo, Jung Woo Choi, Jong Hwi Park | 2024-04-30 |
| 11939698 | Wafer manufacturing method, epitaxial wafer manufacturing method, and wafer and epitaxial wafer manufactured thereby | Jong Hwi Park, Eun Su Yang, Byung Kyu Jang, Jung Woo Choi, Yeon Sik LEE +2 more | 2024-03-26 |
| 11862685 | Wafer and method of manufacturing wafer | Jong Hwi Park, Kap-Ryeol Ku, Jung Woo Choi, Myung-Ok Kyun | 2024-01-02 |
| 11859305 | Apparatus for growing a SiC single crystal ingot comprising a filter unit having a porous body surrounding an opening unit that is located under a seed crystal | Jung Woo Choi, Kap-Ryeol Ku, Sang Ki Ko, Byung Kyu Jang | 2024-01-02 |
| 11856678 | Method of measuring a graphite article, apparatus for a measurement, and ingot growing system | Eun Su Yang, Jong Hwi Park, Jung Woo Choi, Byung Kyu Jang, Sang Ki Ko +2 more | 2023-12-26 |
| 11846038 | Method of growing semi-insulating silicon carbide single crystal using dopant coated with a carbon-based material | Jung Woo Choi, Kap-Ryeol Ku, Sang Ki Ko, Byung Kyu Jang | 2023-12-19 |
| 11795572 | Method of manufacturing a silicon carbide ingot comprising moving a heater surrounding a reactor to induce silicon carbide raw materials to sublimate and growing the silicon carbide ingot on a seed crystal | Byung Kyu Jang, Jong Hwi Park, Eun Su Yang, Jung Woo Choi, Sang Ki Ko +1 more | 2023-10-24 |
| 11745463 | Multilayer graphite sheet with excellent electromagnetic shielding capability and thermal conductivity and manufacturing method therefor | Jung Doo Seo, Hoon Kim, Jonggab Baek | 2023-09-05 |
| 11708644 | Method for preparing SiC ingot, method for preparing SiC wafer and the SiC wafer prepared therefrom | Jong Hwi Park, Myung-Ok Kyun, Jongmin Shim, Byung Kyu Jang, Jung Woo Choi +2 more | 2023-07-25 |
| 11646209 | Method of cleaning wafer and wafer with reduced impurities | Jong Hwi Park, Il Hwan Yoo, Kap-Ryeol Ku, Jung Woo Choi, Eun Su Yang +2 more | 2023-05-09 |
| 11591711 | Method and system for producing silicon carbide ingot | Jong Hwi Park, Eun Su Yang, Byung Kyu Jang, Jung Woo Choi, Sang Ki Ko +1 more | 2023-02-28 |
| 11566344 | Silicon carbide ingot, wafer, method for producing a silicon carbide ingot, and method for manufacturing a wafer | Jong Hwi Park, Jongmin Shim, Eun Su Yang, Yeon Sik LEE, Byung Kyu Jang +3 more | 2023-01-31 |
| 11541634 | Graphite sheet and method for manufacturing same | Ki Ryun Park, Myung-Ok Kyun, Jung Doo Seo, Jonggab Baek, Jong Hwi Park +1 more | 2023-01-03 |
| 11474012 | Method for preparing silicon carbide wafer and silicon carbide wafer | Jong Hwi Park, Jongmin Shim, Eun Su Yang, Yeon Sik LEE, Byung Kyu Jang +3 more | 2022-10-18 |
| 11466383 | Silicon carbide ingot, method of preparing the same, and method for preparing silicon carbide wafer | Jong Hwi Park, Myung-Ok Kyun, Jongmin Shim, Byung Kyu Jang, Jung Woo Choi +2 more | 2022-10-11 |
| 11447889 | Adhesive layer of seed crystal, method for preparing a laminate using the same, and method for preparing a wafer | Jong Hwi Park, Jongmin Shim, Eun Su Yang, Byung Kyu Jang, Jung Woo Choi +2 more | 2022-09-20 |
| 11359306 | Method for preparing a SiC ingot and device for preparing a SiC ingot wherein electrical resistance of crucible body is 2.9 ohms or more | Jong Hwi Park, Myung-Ok Kyun, Jongmin Shim, Eun Su Yang, Byung Kyu Jang +3 more | 2022-06-14 |
| 11339498 | Method for growing single crystal silicon carbide ingot having large diameter | Jung Woo Choi, Kap-Ryeol Ku | 2022-05-24 |
| 11339497 | Silicon carbide ingot manufacturing method and silicon carbide ingot manufactured thereby | Jong Hwi Park, Kap-Ryeol Ku, Jung Woo Choi, Sang Ki Ko, Byung Kyu Jang +2 more | 2022-05-24 |