Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404975 | Low profile flat bombe for LPG storage and method for manufacturing the same | Seong Cheol Cho, Sung Won Lee, Seung Hyun Yeo, Duk Hee Park | 2025-09-02 |
| 12140068 | Water management system for a hydrogen engine | Seon Woo Boo, Seong Cheol Cho, Sung Won Lee, Seung Hwan Kim, Yong Taek Hwang +2 more | 2024-11-12 |
| 11885464 | Low profile flat bombe for LPG storage and method for manufacturing the same | Seong Cheol Cho, Sung Won Lee, Seung Hyun Yeo, Duk Hee Park | 2024-01-30 |
| 11707979 | Fuel pump module | Seong Cheol Cho, Sung Won Lee, Se Jin Kim, Joon Seup Kim, Hyeong Cheol Yuk | 2023-07-25 |
| 11649789 | Dual purge system for vehicle | Jong-Hwan Lee, Bu Yeol Ryu | 2023-05-16 |
| 11499494 | Method for diagnosing fuel leakage of a vehicle | Jeong-Seok Lee, Dae-Hyun Park | 2022-11-15 |
| 11022076 | Purge system for fuel evaporation gas of vehicle | Jong-Hwan Lee | 2021-06-01 |
| 10259316 | Stiffness reinforcement device for fuel tank of vehicle | Bo Sung Lee, Bu Yeol Ryu | 2019-04-16 |
| 10207579 | Fuel-mixing prevention filler neck device | Bu Yeol Ryu, Cheol Hun Cho, Jeong-Seok Lee, Gun Woo Kim, Young Jae Do | 2019-02-19 |
| 9964082 | Diesel fuel filter for vehicle | Cheol Hun Cho, Woo Jin Shin, Sung Woo Choi | 2018-05-08 |
| 9689340 | Controller integrated fuel pump module | Byung Cheol Lee | 2017-06-27 |
| 9523334 | System and method of controlling fuel supply of diesel engine | Cheol Hun Cho | 2016-12-20 |
| 9316170 | Controller integrated fuel pump module | Yeoun Kwan Sung | 2016-04-19 |
| 9163784 | Device and method for reducing temperature of bombe using latent heat of LPG vaporization | Cheol Hun Cho, Myeong Hwan Kim, Chang Han Kim | 2015-10-20 |
| 9145848 | Pressure sustaining system for LPG bombe | — | 2015-09-29 |
| 9139083 | LPG bomb apparatus | Cheol Hun Cho | 2015-09-22 |
| 8459240 | Canister for vehicles and fuel supply system provided with the same | Sungwon Lee, Jung Soo Park, Won Kyu Choi | 2013-06-11 |
| 8327828 | LPI fuel supply system | — | 2012-12-11 |
| 8251045 | Fuel supplying system of LPI engine | Yeoun Kwan Sung | 2012-08-28 |
| 7845337 | Fuel vapor recirculation device for vehicle | — | 2010-12-07 |
| 7486933 | Multi-path interference removing for wireless relay system apparatus and method using by same channel frequency | Seong-Jae Lee, Hyun Duk KANG | 2009-02-03 |
| 5757245 | Circuit for 2-level/4-level frequency shift key modulation | — | 1998-05-26 |