Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11371204 | Ring-shaped cofferdam and temporary pit excavation structure using tapered square pipe, and construction method thereof | — | 2022-06-28 |
| 10003199 | Battery energy storage system | Yong Ho Chung, Ah Ryeon Park | 2018-06-19 |
| 9954368 | Battery energy storage system management device and method | — | 2018-04-24 |
| 9837822 | Control device of energy storage system | Chung Woo Lee | 2017-12-05 |
| 9078378 | Heat emission device for junction box printed circuit board | Young Jong Lee, Jong Won Lee | 2015-07-07 |
| 8552583 | Power supply system and method including power generator and storage device | Jung Wook Park, Hyun Koo Lee, Seung-Tak Kim | 2013-10-08 |
| 4921082 | Fluid control cylinder assembly for automobile brake system | Jin C. So | 1990-05-01 |
| 4898052 | Automatically controlled socket wrench | — | 1990-02-06 |
| 4813309 | Automatically controlled socket wrench | — | 1989-03-21 |