Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12154755 | Toroidal motion enhanced ion source | June Young Kim, Jin Young Choi, Yong-Seok Hwang, Bon-Woong Koo | 2024-11-26 |
| 9520412 | Thin film transistor panel having an etch stopper on semiconductor | Pil-Sang Yun, Ki-Won Kim, Hye-Young Ryu, Woo-Geun Lee, Seung-Ha Choi +7 more | 2016-12-13 |
| 9443877 | Thin film transistor panel having an etch stopper on semiconductor | Pil-Sang Yun, Ki-Won Kim, Hye-Young Ryu, Woo-Geun Lee, Seung-Ha Choi +7 more | 2016-09-13 |
| 9418861 | Method of manufacturing a display substrate using two etch masks | Seung-Ha Choi, Woo-Geun Lee | 2016-08-16 |
| 9184090 | Thin film transistor display panel and manufacturing method of the same | Seung-Ha Choi, Woo-Geun Lee | 2015-11-10 |
| 9111805 | Thin film transistor panel having an etch stopper on semiconductor | Pil-Sang Yun, Ki-Won Kim, Hye-Young Ryu, Woo-Geun Lee, Seung-Ha Choi +7 more | 2015-08-18 |
| 8994023 | Thin film transistor array substrate and method of fabricating the same | Hye-Young Ryu, Woo-Geun Lee, Young-Joo Choi, Jin Won Lee, Seung-Ha Choi +2 more | 2015-03-31 |
| 8853699 | Thin film transistor and method of forming the same | Seung-Ha Choi, Young-Wook Lee | 2014-10-07 |
| 8836877 | Display substrate, display device, and method of manufacturing the display substrate | Seung-Ha Choi, Woo-Geun Lee | 2014-09-16 |
| 8723179 | Thin film transistor panel having an etch stopper on semiconductor | Pil-Sang Yun, Ki-Won Kim, Hye-Young Ryu, Woo-Geun Lee, Seung-Ha Choi +7 more | 2014-05-13 |
| 8530893 | Display substrate and method of manufacturing the same | Ki-Won Kim, Hye-Young Ryu, Young-Joo Choi, Seung-Ha Choi, Kap-Soo Yoon | 2013-09-10 |
| 8470623 | Thin film display panel and method of manufacturing the same | Do Hyun Kim, Seung-Ha Choi, Dong Hoon Lee, Chang-Oh Jeong, Suk-Won Jung | 2013-06-25 |
| 6457778 | Electro-power impact cell for plasma blasting | Kie Hyung Chung, Kang Ok Lee, Hyeok Jung Kwon, Chul Yeong Kim | 2002-10-01 |
| 6455808 | Pulse power system | Kie Hyung Chung, Kang Ok Lee, Hyeok Jung Kwon, Chul Yeong Kim | 2002-09-24 |