Issued Patents All Time
Showing 201–212 of 212 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6449241 | Optical disk | Pyong-yong Seong, Jung-wan Ko | 2002-09-10 |
| 6445677 | Cartridge for an information recording medium | Jong Pil Park, Young-sun Seo, Jung-wan Ko, Han-kook Choi | 2002-09-03 |
| 6442128 | Recording medium for storing attribute information on basic recording unit and method of identifying data using the attribute information | Kyung-geun Lee, Jung-wan Ko, Seong-sin Joo, Joong-eon Seo | 2002-08-27 |
| 6438099 | Cartridge for an information recording medium | Jong Pil Park, Young-sun Seo, Jung-wan Ko, Han-kook Choi | 2002-08-20 |
| 6404731 | Cartridge for accommodating a disc | Young-sun Seo, Han-kook Choi, Jong Pil Park, Young-min Cheong | 2002-06-11 |
| 6400662 | Method of detecting track cross signal of optical disc recording/reproducing device and apparatus therefor | Byoung-ho Choi, Jung-wan Ko, Byung-in Ma, Tae-yong Doh, Tae Yeon Lee | 2002-06-04 |
| 6314067 | Optical disk having pattern for tilt detection | Chong-sam Chung, Chul-woo Lee | 2001-11-06 |
| 6304537 | Optical information recording/reproducing apparatus and method for using both disc cartridges holding 8CM and 12CM disc | Young-sun Seo, Han-kook Choi, Myoung-Jong Song | 2001-10-16 |
| 6295255 | Optical pickup having a tilt mechanism to adjust an optical axis of an incident light beam | Young-sun Seo, Han-kook Choi, Pyong-yong Seong, Hee-deuk Park, Young-min Cheong +1 more | 2001-09-25 |
| 6105283 | Shoe insole for correction, control, and underfoot comfort | — | 2000-08-22 |
| 6051298 | Optical disc having protective films | Jung-wan Ko | 2000-04-18 |
| 5428184 | Karaoke circuit for optical disk player | — | 1995-06-27 |