Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11790552 | Method for applying multi-component curable composition | Sung Chul Jeon, Sun-Woo Lee | 2023-10-17 |
| 9859751 | Switchable uninterruptible power supply system and battery charging method thereof | Bon Jun Koo, In Chol Yeon, Byeong Gyu HYEON | 2018-01-02 |
| 9843222 | Uninterruptible power supply system for preventing charging of batteries and method for controlling uninterruptible power supply system | In Chol Yeon, Bon Jun Koo, Byeong Gyu HYEON | 2017-12-12 |
| 5874844 | Schmitt trigger circuit with an adjustable trigger voltage | — | 1999-02-23 |