SK

Sang Ki Ko

SE Senic: 17 patents #6 of 12Top 50%
KI Korea Electronics Technology Institute: 3 patents #157 of 614Top 30%
SC Skc Co.: 2 patents #85 of 322Top 30%
Overall (All Time): #191,001 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
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, Jung Woo Choi +2 more 2024-03-26
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, Jung-Gyu Kim, Kap-Ryeol Ku, 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, 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 Woo Choi, Jung-Gyu Kim, Kap-Ryeol Ku, 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, Kap-Ryeol Ku +1 more 2023-10-24
11741755 Method and apparatus for recognizing sign language or gesture using 3D EDM Hye Dong Jung, Han Mu PARK, Chang Jo Kim 2023-08-29
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-Gyu Kim, Jung Woo Choi +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, 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
11482134 Method, apparatus, and terminal for providing sign language video reflecting appearance of conversation partner Hye Dong Jung, Han Mu PARK, Chang Jo Kim 2022-10-25
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
11339497 Silicon carbide ingot manufacturing method and silicon carbide ingot manufactured thereby Jong Hwi Park, Kap-Ryeol Ku, Jung-Gyu Kim, Jung Woo Choi, Byung Kyu Jang +2 more 2022-05-24
11289576 Wafer and method of manufactruring wafer Jong Hwi Park, Kap-Ryeol Ku, Jung-Gyu Kim, Byung Kyu Jang, Jung Woo Choi +2 more 2022-03-29
11268209 Seed crystal including protective film including a first layer with first filler and second layer with second filler Jung-Gyu Kim, Jung Woo Choi, Byung Kyu Jang, Kap-Ryeol Ku 2022-03-08
11225730 Method for producing ingot, raw material for ingot growth, and method for preparing the raw material Byung Kyu Jang, Jung-Gyu Kim, Jung Woo Choi, Kap-Ryeol Ku 2022-01-18
11078599 Apparatus for producing an ingot comprising a crucible body with a lid assembly having a movable core member and method for producing silicon carbide ingot using the apparatus Byung Kyu Jang, Jung-Gyu Kim, Jung Woo Choi, Kap-Ryeol Ku 2021-08-03
10846568 Deep learning-based automatic gesture recognition method and system Choong Sang Cho, Hye Dong Jung, Young Han Lee 2020-11-24
10822720 Composition for preparing silicon carbide ingot and method for preparing silicon carbide ingot using the same Jong Hwi Park, Myung-Ok Kyun, Kap-Ryeol Ku, Jung-Gyu Kim, Jongmin Shim +2 more 2020-11-03