Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416444 | Portable refrigerator and main refrigerator having the same | Hyoung Keun Lim, Hyun Woo Park | 2025-09-16 |
| 12403707 | Inkjet head management apparatus and inkjet printing apparatus | Hosang Lee, Suk-Won Jang, Won Yong Jin | 2025-09-02 |
| 12372291 | Refrigerator | Hyun Woo Park, Hyoung Keun Lim | 2025-07-29 |
| 12251944 | Meniscus measuring apparatus and method, substrate processing apparatus | Han Lim KANG, Suk-Won Jang, Won Yong Jin | 2025-03-18 |
| 12097696 | Fringe information measuring apparatus and substrate treating system including the same | Han Lim KANG, Won Yong Jin, Suk-Won Jang | 2024-09-24 |
| 10791163 | Communication apparatus, method, and system for using multimedia service | Dohyung Kim, Young-Ky Kim, Ki-Ho Cho, Ye-Sul Ha | 2020-09-29 |
| 9882938 | Composite ARS service providing method and apparatus | Dohyung Kim, Young-Ky Kim, Ki-Ho Cho | 2018-01-30 |
| 7791492 | Wireless communication based safer street lamp control system | Kee-Young Nam, Seong Hwan JEONG | 2010-09-07 |
| 7500283 | Vacuum cleaner provided with a cover locking/releasing structure and a cover hinge-coupling structure | Nam-Ho Lee | 2009-03-10 |
| 7475449 | Vacuum cleaner | — | 2009-01-13 |
| 7353026 | Method for performing hard hand-off in cellular mobile communication system | — | 2008-04-01 |
| 6779229 | Versatile vacuum cleaner | Nam-Ho Lee, Min-Ho Park, Im Suk Choi | 2004-08-24 |
| 5720074 | Vacuum cleaner having a noise reduction system | — | 1998-02-24 |