Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D935118 | Robot vacuum cleaner | Hwan-Dong Lee, Sang-Hoon Yoon, Jae-Ho Jang, Hyun-Woo Yoon | 2021-11-02 |
| 11131297 | Machine tool system having compact air compressor | Jeong Cheol Jang, Jong-Hyuk Kim, Han Seop Park | 2021-09-28 |
| D930299 | Robot vacuum cleaner | Hwan-Dong Lee, Sang-Hoon Yoon, Jae-Ho Jang, Hyun-Woo Yoon | 2021-09-07 |
| D930298 | Robot vacuum cleaner | Hwan-Dong Lee, Sang-Hoon Yoon, Jae-Ho Jang, Hyun-Woo Yoon | 2021-09-07 |
| D930300 | Robot vacuum cleaner | Hwan-Dong Lee, Sang-Hoon Yoon, Jae-Ho Jang, Hyun-Woo Yoon | 2021-09-07 |
| 11067070 | Cylinder assemble structure for compact air compressor | Jeong Cheol Jang, Jong-Hyuk Kim | 2021-07-20 |
| 11015588 | Compact air compressor | Jeong Cheol Jang, Jong-Hyuk Kim | 2021-05-25 |
| 10940054 | Disposable diaper with inlet cutting part on skin contact layer | Jun Mo Gil | 2021-03-09 |