Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12252169 | Mobile infant care device and infant care system including the same | Yong Pyo Hong, Ji Hoon Oh | 2025-03-18 |
| 10954847 | Apparatus for controlling valve of coolant circulation system and method thereof | Chang-Eun Choi, Young-Ho Jung, Won-Jun Sung | 2021-03-23 |
| 9115421 | Method for nitriding surface of aluminum or aluminum alloy by cold spray method | Kyung Hyun Ko | 2015-08-25 |
| 8747946 | Pre-treatment apparatus and method for improving adhesion of thin film | Kyung Hyun Ko | 2014-06-10 |
| 8414442 | Gear train of multi-step transmission for vehicle | Tae Seok Seo, Jong Sool Park | 2013-04-09 |
| 8403797 | Gear train in multistage transmission for vehicles | Jong Sool Park, Tae Seok Seo | 2013-03-26 |