Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12402551 | System and method for supporting farming activity decision-making based on environmental impact assessment | — | 2025-09-02 |
| 12250895 | Platform server and method for providing disease and pest treatment recipes | — | 2025-03-18 |
| 12153207 | Radiational cooling film providing a variable wavelength and wavelength conversion device and system using the same | — | 2024-11-26 |
| 11818990 | Apparatus for providing optimal pest control recipe depending on progression of disease and pest damage, and method thereof | — | 2023-11-21 |
| 11639784 | Lighting device, lighting attachment device, and method for manufacturing lighting cover | Wonjoon Choi | 2023-05-02 |
| 11573004 | Lighting device | — | 2023-02-07 |
| 11503773 | Sunlight converting device comprising wavelength converting film | Wonjoon Choi | 2022-11-22 |
| 11139497 | Fuel cell system using natural gas | Yun Sung Kim, Gi Pung Lee | 2021-10-05 |
| D918769 | Holder for flower or plant pots | — | 2021-05-11 |
| 10079399 | Fuel, cell, and generation system and method using the same | Sung Hoon Kim, Won-Joon Choi, In Gab Chang | 2018-09-18 |
| 10040533 | Ballast water treatment apparatus and method for ship using forward osmosis process | Sung Hoon Kim, Won-Joon Choi | 2018-08-07 |
| 9573479 | Battery exchange station and method of operating battery exchange station | Sung Hoon Kim, Tae Hee Kim, Won-Joon Choi | 2017-02-21 |