Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1063226 | Helmet | — | 2025-02-18 |
| D1049502 | Helmet visor | — | 2024-10-29 |
| D1049499 | Helmet | — | 2024-10-29 |
| D1047289 | Helmet | — | 2024-10-15 |
| D1046310 | Breath deflector for helmet | — | 2024-10-08 |
| D1038528 | Helmet | — | 2024-08-06 |
| D1038529 | Helmet | — | 2024-08-06 |
| 11665917 | DC generation energy harvesting system and manufacturing method thereof | Nam-Gyu Park, Ma Chunqing | 2023-05-30 |
| 10996200 | Method of determining position of fault of equipment using sound source inputting apparatus and system of determining position of fault of equipment for performing the same | Kyoung-whan Oh, Won-Yup Ko, Won Ki Park, Ho-Youl Lee, Young Il Jang +1 more | 2021-05-04 |
| 10546765 | Wafer perforating device | Kyoung-whan Oh, Won-Yup Ko, Min Seok Moon, Won Ki Park, Seung Hwan Lee +1 more | 2020-01-28 |
| 10442034 | Wafer cutting apparatus | Kyoung-whan Oh, In Hwan Kim, Won Ki Park, Ho-Youl Lee, Yong Won Choi | 2019-10-15 |