Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7668049 | Optical pickup actuator and optical recording/reproducing apparatus | Seok-jung Kim, Jung-gug Pae, Young-man Ahn, Tae-youn Heor | 2010-02-23 |
| 7643386 | Optical pickup actuator and optical recording and/or reproducing apparatus | Seok-jung Kim, Jung-gug Pae, Young-man Ahn, Tae-youn Heor | 2010-01-05 |
| 7619951 | Optical pickup actuator and optical recording and/or reproducing apparatus | Seok-jung Kim, Jung-gug Pae, Young-man Ahn, Soo-han Park | 2009-11-17 |
| 5176848 | Corrosion control composition | David B. Markobrad, Eugene A. Weipert | 1993-01-05 |
| 4876152 | Water-proofing composition | — | 1989-10-24 |