Issued Patents All Time
Showing 1–25 of 60 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-Gyu Kim, Jung Doo Seo, Myung-Ok Kyun | 2025-07-15 |
| 12346484 | User terminal displaying interface for providing instant messaging service and operation method of the user terminal | You-Jin KIM, Jenog Ryeol CHOI, Joong Seon KIM, Hong Chan YUN, Ju Ho Chung +5 more | 2025-07-01 |
| 12325933 | Silicon carbide powder, method for manufacturing silicon carbide ingot using the same, and silicon carbide wafer | Jong Hwi Park, Kap-Ryeol Ku, Jung-Gyu Kim, 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, Byung Kyu Jang, Myung-Ok Kyun, Jung-Gyu Kim +1 more | 2025-06-03 |
| 12270122 | Silicon carbide wafer and semiconductor device | Myung-Ok Kyun, Jong Hwi Park, Jung Doo Seo, Jung-Gyu Kim, Kap-Ryeol Ku | 2025-04-08 |
| 12255748 | Method and apparatus for processing abusing message in anonymous chatroom | Soo-Bum Kim, Min Jeong Kim, Keun Lee, Chang-Yong Lee | 2025-03-18 |
| 12237185 | Laser machining apparatus and laser machining method | Heung-Yeol Na, Tae Hun Kim | 2025-02-25 |
| 12136653 | Silicon carbide wafer and semiconductor device applied the same | Jong Hwi Park, Jung-Gyu Kim, 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-Gyu Kim, Jung Doo Seo, Jong Hwi Park | 2024-07-16 |
| 11969917 | Manufacturing method of silicon carbide wafer, silicon carbide wafer and system for manufacturing wafer | Jung-Gyu Kim, Kap-Ryeol Ku, Jung Doo Seo, Jong Hwi Park | 2024-04-30 |
| 11939698 | Wafer manufacturing method, epitaxial wafer manufacturing method, and wafer and epitaxial wafer manufactured thereby | Jong Hwi Park, Jung-Gyu Kim, Eun Su Yang, Byung Kyu Jang, Yeon Sik LEE +2 more | 2024-03-26 |
| 11919375 | Vehicle door coupling device | Kwan Yong LEE | 2024-03-05 |
| 11862685 | Wafer and method of manufacturing wafer | Jong Hwi Park, Kap-Ryeol Ku, Jung-Gyu Kim, 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-Gyu Kim, 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, Byung Kyu Jang, Sang Ki Ko, Jongmin Shim +2 more | 2023-12-26 |
| 11846038 | Method of growing semi-insulating silicon carbide single crystal using dopant coated with a carbon-based material | Jung-Gyu Kim, 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, Sang Ki Ko, Kap-Ryeol Ku +1 more | 2023-10-24 |
| 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, Sang Ki Ko +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-Gyu Kim, 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, Sang Ki Ko, Kap-Ryeol Ku +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 |
| 11550047 | Vehicle passenger detection device, system including the same, and method thereof | Seul Ki Jeon, Gyun Ha Kim, Eung Hwan Kim, Beom Young Oh, Sung Ho Cho +4 more | 2023-01-10 |
| 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, Sang Ki Ko +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, Sang Ki Ko +2 more | 2022-09-20 |