Issued Patents All Time
Showing 1–25 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12406802 | Ignition coil system | Kiseon Sim | 2025-09-02 |
| 12080998 | Ignition coil control system | Kiseon Sim | 2024-09-03 |
| 12031514 | Ignition apparatus and control method thereof | Kiseon Sim | 2024-07-09 |
| 11879420 | System and method for controlling ignition coil | Kiseon Sim | 2024-01-23 |
| 11846262 | Ignition coil control system and method | Kiseon Sim, Dongwon Jung, Won Gyu Kim, Jin Oh Song | 2023-12-19 |
| 11795899 | System of ignition coil | Kiseon Sim | 2023-10-24 |
| 11781517 | Electrode wear amount predicting system and method of spark plug | Kiseon Sim | 2023-10-10 |
| 11784466 | Multi-ignition coil control system | Kiseon Sim, Won Gyu Kim | 2023-10-10 |
| 11637411 | Spark plug | Kiseon Sim | 2023-04-25 |
| 11560870 | Ignition coil control system and method thereof | Kiseon Sim, Dongwon Jung, Won Gyu Kim, Jin Oh Song | 2023-01-24 |
| 11509120 | Dual spark plug | — | 2022-11-22 |
| 11378055 | Method of controlling ignition coil | Kiseon Sim, Dongwon Jung, Won Gyu Kim, Jin Oh Song | 2022-07-05 |
| 11251588 | Dual spark plug | — | 2022-02-15 |
| 10954846 | Engine cooling system for vehicle | Jongwan Han, Danghee Park, Il Suk Yang, Yong-Beom Park, Yong Woong Cha +1 more | 2021-03-23 |
| 10907571 | Structure mounted in water jacket for cylinder block | Il Suk Yang, Jaewook Kang, Sung-Chan Cho | 2021-02-02 |
| 10851742 | Intake system for vehicle | Il Suk Yang, Sangwook Kweon | 2020-12-01 |
| 10836235 | Heating, ventilation and air conditioning system of vehicle | Jongwan Han, Il Suk Yang, Danghee Park, Yong-Beom Park | 2020-11-17 |
| 10473000 | Multiple variable valve lift apparatus | Heechang Oh, Seung Kook Han, Ju Hun Lee, Wootae Kim | 2019-11-12 |
| 10458294 | Variable valve device for engine | Back Sik Kim, Seung Kook Han | 2019-10-29 |
| 10436080 | Multiple variable valve lift apparatus | Jin Wook Son, You Sang Son, Seung Kook Han, Back Sik Kim, Wootae Kim | 2019-10-08 |
| 10161289 | Cooling system of engine | Kwang Sik Yang, Jin-woo Cho, Seung Kook Han, Jin Wook Son, Wootae Kim | 2018-12-25 |
| 10018093 | Vehicular exhaust device | Woo Tae Kim, Dae Sung Kim, Byeong Seok Lee, Seung Kook Han | 2018-07-10 |
| 9869253 | Multiple variable valve lift apparatus | Byong Young Choi, Seung Kook Han, Wootae Kim | 2018-01-16 |
| 9784177 | Engine system | Byong Young Choi, Seung Kook Han, Byeong Seok Lee, Wootae Kim | 2017-10-10 |
| 9359945 | Variable compression ratio apparatus | Eun Ho Lee, Jin Kook Kong, Dong-Seok Lee, Yoonsik Woo | 2016-06-07 |