Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9909464 | Intermediate phase adjustment apparatus of CVVT | Chung Han Oh, Yun Seok Kim | 2018-03-06 |
| 9874117 | Apparatus for opening and closing channel | Chung Han Oh, Hyun Kyu Lim, Yun Seok Kim | 2018-01-23 |
| 9810107 | Intermediate phase adjustment apparatus of CVVT | Chung Han Oh, Yun Seok Kim | 2017-11-07 |
| D502378 | Pad for grinding stone | Jong Moo Kang, Hwa Jin Jeong | 2005-03-01 |
| 5760498 | Power drawing circuit for two-wire switching unit | — | 1998-06-02 |