Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12221022 | Duct docking device for ventilation seat of vehicle | Deok Soo Lim, Sang Hark Lee, Sang Soo Lee, Jung Sang You, Sang Do Park +6 more | 2025-02-11 |
| 5724202 | Mode reset method and apparatus for a magnetic recording/reproducing apparatus | Do Young Choi, Jae-kab Seo | 1998-03-03 |
| 5600507 | Power transmission device for tape recorder | Do Young Choi, Ohashi Masaharu, Jae-kab Seo | 1997-02-04 |
| 5568338 | Tape rewinding mechanism for magnetic recording/reproducing apparatus | Do Young Choi, Young-Ho Cho | 1996-10-22 |
| 5511738 | Idler controlling apparatus of a magnetic recording/reproducing apparatus | Jae-kab Seo, Do Young Choi | 1996-04-30 |
| 5508858 | Power transferring device for magnetic recording and reproducing apparatus using an electromagnetic plunger | Do Young Choi, Jae-kab Seo | 1996-04-16 |
| 5467234 | Idler controlling apparatus of a magnetic recording/reproducing apparatus | Do Young Choi, Young-Ho Cho | 1995-11-14 |
| 5427326 | Tape rewinding device for magnetic recording and reproducing apparatus | Do Young Choi, Young-Ho Cho | 1995-06-27 |