Issued Patents 2021
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |