Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12218898 | Method, computer device, and non-transitory computer-readable record medium to display message thread on chatroom cover screen | Sungwhan Kim, Hajung Aum | 2025-02-04 |
| 12052210 | Method and system for providing answer message to query message | Sungwhan Kim, Chaewon JUNG, Hyun-Jung Lee, Eun Jung Joung | 2024-07-30 |
| 11936486 | Method, system, and non-transitory computer-readable record medium for generating chatroom according to condition | Sungwhan Kim, Chaewon JUNG, Hyun-Jung Lee, Eun Jung Joung | 2024-03-19 |
| 11859360 | Toothed conveyor belt type oil recovery device | Seong Jin Kim, Myoung Woon Moon, Young A LEE | 2024-01-02 |
| 11642613 | Oil-water separation filter structure and oil-water separator comprising the same | Myoung Woon Moon, Young A LEE | 2023-05-09 |
| 11624166 | Toothed drum type oil recovery device | Seong Jin Kim, Myoung Woon Moon, Young A LEE, Chang-Hwi Sim | 2023-04-11 |
| 11614097 | Hydrophilic toothed impeller type oil transportation device | Seong Jin Kim, Myoung Woon Moon, Young Jin Lee | 2023-03-28 |
| 11586712 | Method, system, and non-transitory computer-readable record medium for providing content copyright in chatroom | Eun Jung Joung, Hyun-Jung Lee, Chaewon JUNG, Sungwhan Kim | 2023-02-21 |
| 11575529 | Method, system, and non-transitory computer readable record medium for controlling joining chatroom based on location | Chaewon JUNG, Sungwhan Kim, Hyun-Jung Lee, Eun Jung Joung | 2023-02-07 |
| 11411906 | Method and system for providing answer message to query message | Sungwhan Kim, Chaewon JUNG, Hyun-Jung Lee, Eun Jung Joung | 2022-08-09 |
| 11349678 | Method, system, and non-transitory computer-readable record medium for generating chatroom according to condition | Sungwhan Kim, Chaewon JUNG, Hyun-Jung Lee, Eun Jung Joung | 2022-05-31 |
| 11188623 | Method, system, and non-transitory computer-readable record medium for providing content copyright in chatroom | Eun Jung Joung, Hyun-Jung Lee, Chaewon JUNG, Sungwhan Kim | 2021-11-30 |
| 10914045 | Hydrophilic material oil fence having double-porous mesh | Seong Jin Kim, Myoung Woon Moon, O Chang Kwon | 2021-02-09 |
| 8186794 | Method of correcting alignment error of array inkjet head | — | 2012-05-29 |
| 7547082 | Ink cartridge including a unit to sense a remaining amount of ink | Jae-cheol Lee, Dong-kee Jung, Myung-song Jung | 2009-06-16 |
| 7533971 | Head of inkjet printer and method of manufacturing the same | Sung-joon Park, Sang-chul Koh, Jae-sik Min, Tae-Kyun Kim, Myung-song Jung | 2009-05-19 |
| 7232210 | Foam, method of forming the foam, print cartridge including the foam, and printing apparatus including the print cartridge | Hyung-hyu Hwang | 2007-06-19 |
| 7175257 | Ink-jet printhead with droplet ejecting portion provided in a hydrophobic layer | Byung-ha Park, Myung-jong Kwon, Yong-shik Park, Kyong-il Kim, Jae-sik Min | 2007-02-13 |
| 7168801 | Ink cartridge | Hyung-hyu Hwang | 2007-01-30 |
| 7153633 | Ink-jet printhead and method for manufacturing the same | Jae-sik Min, Byung-ha Park, Myung-jong Kwon, Kyong-il Kim, Yong-shik Park | 2006-12-26 |
| 7104633 | Monolithic ink-jet printhead and method of manufacturing the same | Il Joong Kim | 2006-09-12 |
| 7086142 | Method of manufacturing an ink-jet printhead | Il Joong Kim | 2006-08-08 |
| 7040739 | Flexible printed circuit board | Jeong-seon Kim, Myung-song Jung, Jae-cheal Lee | 2006-05-09 |
| 6994422 | Ink-jet printhead and manufacturing method thereof | Byung-ha Park, Myung-jong Kwon, Yong-shik Park, Kyong-il Kim, Jae-sik Min | 2006-02-07 |
| 6974208 | Head of inkjet printer and method of manufacturing the same | Sung-joon Park, Sang-chul Koh, Jae-sik Min, Tae-Kyun Kim, Myung-song Jung | 2005-12-13 |