Issued Patents All Time
Showing 26–50 of 122 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11255752 | Mechanical combustion abnormality diagnosis determination method and combustion abnormality diagnosis system using engine noise | Jae-Min Jin, Sung Hwan Shin | 2022-02-22 |
| 11236694 | Injector abnormal cylinder diagnosis method and injector abnormality diagnosis system based on signal deviation | Seung Hyun Lee, Dong-Chul Lee | 2022-02-01 |
| 11137322 | Diagnosing method of engine condition and diagnostic modeling method thereof | Min Ho HAN, Seung Hyun Lee, Dong-Chul Lee, Young-Ju Noh | 2021-10-05 |
| RE48746 | Dot sighting device with large caliber | Dong Hee Lee | 2021-09-21 |
| 11085220 | Stopper apparatus for vehicle tailgate | Doo Hee Han, Myung Taek Lee | 2021-08-10 |
| 11072262 | Portable car seat | Kurtis Sakai, In Seok CHOI | 2021-07-27 |
| 11049488 | EV vehicle driving sound control system and control method | Dong-Chul Lee | 2021-06-29 |
| 11049489 | System and method for controlling engine tone by artificial intelligence based on sound index of vehicle | Dong-Chul Lee | 2021-06-29 |
| 11008971 | Sampling vibration frequency rate downsizing type engine combustion control method and engine combustion control system | Jae-Min Jin, Seung Hyun Lee | 2021-05-18 |
| RE48545 | Dot sighting device with large caliber | Dong Hee Lee | 2021-05-04 |
| 10961934 | Method for controlling engine combustion for reducing irregular vibration caused by unstable engine combustion | Jae-Min Jin, Seung Hyun Lee, Kyoung-Doug Min, Yong Joo Lee, Seung Il Lee | 2021-03-30 |
| 10960816 | Vehicle engine sound control system and control method based on driver propensity using artificial intelligence | Dong-Chul Lee | 2021-03-30 |
| 10943486 | Traveling safety control system using ambient noise and control method thereof | Dong-Chul Lee | 2021-03-09 |
| 10940779 | Portable car seat | Moo Kyung Kim, Gwon Je Sung, Kyeong Dong Lee | 2021-03-09 |
| 10895432 | Optical scope | Dong Hee Lee | 2021-01-19 |
| 10787836 | Tent pole | Dong Hwan Kim | 2020-09-29 |
| 10767575 | Control system and method for fuel injection by predicting engine noise | Seung Hyun Lee | 2020-09-08 |
| 10655933 | Dot sight device | Bo Sun Jeung, Dong Hee Lee | 2020-05-19 |
| 10655932 | Dot sighting device | Bo Sun Jeung, Dong Hee Lee | 2020-05-19 |
| 10640020 | Baby car seat allowing position change | Gwon Je Sung, Chung Sup Lee | 2020-05-05 |
| 10625671 | Engine sound color control method based on engine dynamic characteristic with artificial intelligence and vehicle thereof | Dong-Chul Lee | 2020-04-21 |
| 10611302 | Hybrid vehicle control method for controlling vehicle noise | Dong-Chul Lee | 2020-04-07 |
| 10604035 | Portable car seat | Moo Kyung Kim, Gwon Je Sung, Kyeong Dong Lee | 2020-03-31 |
| 10598278 | Method for maintaining idle noise refinement and vehicle thereof | Dong-Chul Lee | 2020-03-24 |
| 10266112 | Sound control method for hybrid vehicle | Dong-Chul Lee | 2019-04-23 |