Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7654430 | Coil nailing device for construction finishing materials | Bo-Seob Cho, Gil-Sub Song, Jae-Sung Kim, In-Sung Hwang, Myung-Kyun Kim +1 more | 2010-02-02 |
| D549538 | Portable air nailer | Gil-Sub Song, Jong-Yeol Han | 2007-08-28 |
| 6124196 | Variable circuit connector and method of fabricating the same | — | 2000-09-26 |
| 5455725 | Automatic video-tape cassette changing device | — | 1995-10-03 |
| 5402288 | Automatic video-tape cassette changing device | — | 1995-03-28 |