Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824270 | Single-panel color image display apparatus and scrolling method | Sung-ha Kim, Dae-sik Kim, Ju-seong Hwang, Hee-joong Lee | 2004-11-30 |
| 6811263 | Colored light separating device and single-panel color image display apparatus using the same | Sung-ha Kim, Dae-sik Kim | 2004-11-02 |
| 6798732 | Near-field optical storage medium and optical data storage system therefor | Chul-woo Lee, Dong-Ho Shin, Joong-eon Seo, Seung-tae Jung, Byeong-Ho Park +3 more | 2004-09-28 |
| 6791933 | Optical pickup using an optical phase plate | Jang-hoon Yoo, Chul-woo Lee, Chong-sam Chung, Pyong-yong Seong, Hyun-seob Choi +3 more | 2004-09-14 |
| 6765857 | Optical recording and pickup head for digital versatile disc compatible with read-writable compact disc by adopting flat plate lens having staircase type diffraction grating structure | Jang-hoon Yoo, Chul-woo Lee, Pyong-yong Seong | 2004-07-20 |