Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7558161 | Integrated optical system and method of manufacturing the same and information recording and/or reproducing apparatus using the integrated optical system | Jin-seung Sohn, Sung-dong Suh, Eun-hyoung Cho, Hae-sung Kim | 2009-07-07 |
| 7428194 | Integrated optical pickup and optical recording and/or reproducing apparatus using the same | Jin-seung Sohn, Myung-bok Lee, Eun-hyoung Cho, Hae-sung Kim | 2008-09-23 |
| 7351520 | Micro-lens array and manufacturing method thereof | Myung-bok Lee, Jin-seung Shon, Eun-hyoung Cho, Hae-sung Kim | 2008-04-01 |
| 7345267 | Optical system having element for correcting aberration of mirror and optical pickup apparatus employing the same | Jin-seung Sohn, Sung-dong Suh, Eun-hyoung Cho, Hae-sung Kim | 2008-03-18 |
| 7283448 | Integrated optical pickup and method of manufacturing the same and optical information storage system including the optical pickup | Jin-seung Sohn, Myung-bok Lee, Eun-hyoung Cho | 2007-10-16 |
| 7167317 | Objective optical system employing grin lens | Myung-bok Lee, Eun-hyoung Cho, Hae-sung Kim, Jin-seung Sohn | 2007-01-23 |
| 7154105 | Method of exposing using electron beam | Hae-sung Kim, Myung-bok Lee, Jin-seung Sohn, Eun-hyoung Cho | 2006-12-26 |
| 6989932 | Method of manufacturing micro-lens | Eun-hyoung Cho, Myung-bok Lee, Jin-seung Sohn, Hae-sung Kim | 2006-01-24 |