Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7672451 | Small sized hinge device for use in electronic handheld device | — | 2010-03-02 |
| 5781370 | Tape cassette holder seperating mechanism of magnetic recording and reproducing apparatus having multiple thread worm for permitting moving of the cassette holder when unpowered | Jeong Don Choi, Geun Hyuk Song, Hee Y. Park | 1998-07-14 |
| 5682275 | Magnetic recording and reproducing apparatus having a single motor driving device for controlling loading functions | Jeong Don Choi, Geun Hyuk Song, Hee Y. Park | 1997-10-28 |
| 5486958 | Video cassette tape recorder with single loading motor, actuating plate and fast winding plate | Jeong Don Choi, Geun Hyuk Song, Hee Y. Park | 1996-01-23 |
| 5472151 | Fast winding device for video cassette tape recorder | Jeong Don Choi, Geun Hyuk Song, Hee Y. Park | 1995-12-05 |
| 5465921 | Brake device for video cassette tape recorder | — | 1995-11-14 |