Issued Patents All Time
Showing 1–25 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8493831 | Compatible optical pickup and optical recording and/or reproducing apparatus employing the same | Ui-yol Kim, Tae Kyung Kim, Chong-sam Chung | 2013-07-23 |
| 8416670 | Method of accessing optical recording media, optical pickup device, and optical drive using the device | Ui-yol Kim, Yong Jae Lee | 2013-04-09 |
| 8416672 | Optical pickup, photodetector, and drive adopting the optical pickup | Ui-yol Kim, Yong Jae Lee, Hong-kuk Kim | 2013-04-09 |
| 8018800 | Optical recording and/or reproducing apparatus having a high-sensitivity magnetic circuit | Dae-jong Jang, Byung-youn Song | 2011-09-13 |
| 7835235 | Optical pickup apparatus and optical recording/reproducing system using the same | Sun-mook Park, Ui-yol Kim, Jong Kook Lee | 2010-11-16 |
| 7636286 | Front photo detector having no gain selection switch, optical pick-up including the front photo detector, and optical recording and/or playing apparatus including the front photo detector | Hong-Kyu Lee, Hee-Dong Kim | 2009-12-22 |
| 7631322 | Magnetic circuit, optical pickup actuator, optical recording and/or reproducing apparatus, and methods therefor | Hyung-Joo Kang, Byung-youn Song, Dae-jong Jang | 2009-12-08 |
| 7486596 | Method and apparatus compensating for tilt | Byung-youn Song, Jong-koog Lee, Dong-Ryeol Lee, Kyung-ui Park, Dong Won Kim | 2009-02-03 |
| 7478411 | Optical pickup actuator and method with multi-conductive suspension | Byung-youn Song, Hyung-loo Kang, Sang-yol Yoon, Young-won Lee | 2009-01-13 |
| 7457226 | Heat source having thermoelectric element, optical pickup assembly employing the same, and method of reducing temperature therein | Won-ik Cho, Dong-Ryeol Lee, Ki-bok Kim | 2008-11-25 |
| 7453656 | Recording and/or reproducing apparatus with an optical pickup actuator having high thrust | Dae-jong Jang, Byung-youn Song, Young-bin Lee, Byung-ryul Ryoo, Young-won Lee | 2008-11-18 |
| 7403458 | Compatible optical pickup and light output amount detecting method performed in the compatible optical pickup | Ji-hwan Lim, Ju-Hyung Lee, Eun-goo Kim, Chun Gi Kim, Kyoung Hwan Park | 2008-07-22 |
| 7362689 | Optical pickup and optical recording and/or reproducing apparatus adopting the same | Sun-mook Park, Jin Ho Jung | 2008-04-22 |
| 7355953 | Optical pickup for cutting off optical noise and optical recording and/or reproducing apparatus using the same | Ui-yol Kim, Byung-ryul Ryoo, Myoung-cheol Cho, Kyung-ui Park | 2008-04-08 |
| 7343103 | Apparatus and method for detecting beam power in optical drive | Jong-koog Lee, Kun-soo Kim, Yong-jun Cho, Sung-du Kwon | 2008-03-11 |
| 7283440 | Tracking error signal detecting method selectively using a push-pull method, an improved push-pull method, and a three beam method and optical recording/reproducing apparatus using the same | Kun-soo Kim, In Wook HWANG | 2007-10-16 |
| 7280458 | Optical pickup apparatus and optimal light spot focusing method | Yong Jae Lee, Sung-ro Go, Chang-jin Yang, Gi-bong Song, Byung-in Ma +1 more | 2007-10-09 |
| 7272103 | Laser power monitor device, optical pickup including the same, and optical recording and/or reproducing apparatus including the same | Sung-du Kwon, Jun Hyuk Lee, Hyun Cheal Bang, Jong-koog Lee, Yong-jun Cho | 2007-09-18 |
| 7251209 | Optical pickup and a wedge beam splitter | Yong-jun Cho, Seung-man Han, Hyun-seob Choi, Eun-goo Kim, Jong-koog Lee +2 more | 2007-07-31 |
| 7230905 | Optical pickup using two-wavelength light source module and method for correcting position difference | Kun-soo Kim, Ju-Hyung Lee, Sun-mook Park | 2007-06-12 |
| 7218598 | Optical pickup using two-wavelength light source module | Kun-soo Kim, Sun-mook Park | 2007-05-15 |
| 7206266 | Optical pickup, optical recording and/or reproducing apparatus including the same, and method for realizing compatible tracking | — | 2007-04-17 |
| 7203148 | Method and apparatus for identifying the type of optical recording medium | Jong-ryull Kim, No-Jun Kwak, Chul-ho Jeon, Ki-bong Yun, Bong-hwoan Choi | 2007-04-10 |
| 7164626 | Optical pickup using a wedge type beam splitter | Dong-Ryeol Lee, Kun-soo Kim | 2007-01-16 |
| 7072114 | Optical pickup using an optical phase plate and which is compatible with optical recording media of different types | Jang-hoon Yoo, Chul-woo Lee, Chong-sam Chung, Kun-ho Cho, Hyun-seob Choi +3 more | 2006-07-04 |