Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1006200 | Pipe connector | Ji Ho Kwak, Jin Myung Hong | 2023-11-28 |
| D1005456 | Pipe connector | Ji Ho Kwak, Jin Myung Hong | 2023-11-21 |
| 11619333 | Connecting device for piping | Ji Ho Kwak, Jin Myung Hong, Jung Hoon Choi, Ha Yeong Seong | 2023-04-04 |
| D943715 | Pipe connector | Ji Ho Kwak, Jung Hoon Choi, Ha Yeong Seong | 2022-02-15 |
| 11060648 | Connecting device for piping | Ji Ho Kwak, Jung Hoon Choi, Ha Yeong Seong | 2021-07-13 |
| D924376 | Pipe connector | Ji Ho Kwak, Jung Hoon Choi, Ha Yeong Seong | 2021-07-06 |
| D924377 | Pipe connector | Ji Ho Kwak, Jung Hoon Choi, Ha Yeong Seong | 2021-07-06 |
| 9496796 | Multi-output power supply apparatus and output circuit thereof | Sang Gab Park, Hong Sun Park, Dong Kyun Ryu, Hyun Seo PARK | 2016-11-15 |