Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6979095 | Backlight unit | Jee-hong Min, Hwan-young Choi, Moon-gyu Lee, Su-mi Lee, Jin Hwan Kim | 2005-12-27 |
| 6935764 | Illumination apparatus for planar display device | Hwan-young Choi, Jee-hong Min, Su-mi Lee, Jin Hwan Kim, Moon-gyu Lee | 2005-08-30 |
| 6639698 | Optical scanning unit with rotatable hologram disc | Hwan-young Choi, Moon-gyu Lee, Sung Min Cho, Jae-Youn Eum, Young Il Kim +1 more | 2003-10-28 |
| 6418815 | Apparatus for balancing rotating member | Hwan-young Choi | 2002-07-16 |
| 6292278 | Beam scanning system adopting deflection disc | Sung Min Cho, Won-hyung Lee, Hwan-young Choi, Moon-gyu Lee, Jee-hong Min +2 more | 2001-09-18 |
| 6185017 | Diffractive deflection beam scanning system | Sung Min Cho, Won-hyung Lee, Hwan-young Choi, Moon-gyu Lee, Jee-hong Min +2 more | 2001-02-06 |
| 6181448 | Multi-laser scanning unit | Hwan-young Choi, Won-hyung Lee, Sung Min Cho, Moon-gyu Lee, Jee-hong Min +2 more | 2001-01-30 |
| 6035541 | Method and apparatus facilitating the measurement of a clearance in a hemispherical dynamic pressure bearing | — | 2000-03-14 |
| 5971615 | Hemispheric bearing apparatus for preventing deformation of hemisphere | Chang Woo Lee | 1999-10-26 |
| 5934810 | Hemispheric fluid bearing apparatus | Chang Woo Lee | 1999-08-10 |
| 5907458 | Head drum having weight balancing plate with removable portions | — | 1999-05-25 |
| 5883453 | Hemispherical dynamic pressure bearing | — | 1999-03-16 |
| 5535070 | Magnetic recording/reproducing apparatus including windbreak members for preventing air flow between head drum and tape | — | 1996-07-09 |
| 5269164 | Device for forming spiral groove on inner wall of cylindrical cavity | — | 1993-12-14 |