Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7453617 | Scanning device and fabrication method thereof | Young-Joo Yee, Chang-Hyeon Ji | 2008-11-18 |
| 7289421 | Optical pickup head of optical recording reproducing apparatus, fabrication method thereof, lubricant-coated optical pickup head of optical recording reproducing apparatus and lubricant coating method thereof | Young-Joo Yee, Jung Hoon Choi, Chang-Hoon Oh | 2007-10-30 |
| 7116017 | Device for reducing deterioration of image quality in display using laser | Chang-Hyeon Ji, Young-Joo Yee, Jeong Hoon Choi | 2006-10-03 |
| 7079329 | Micro actuator for controlling focal depth | Youngjoo Yee, Chang-Hyeon Ji | 2006-07-18 |
| 7007917 | Electromagnetic control valve | Jung Hoon Choi, Young-Joo Yee, In Kyu Kim, Byeong Hwa Chung | 2006-03-07 |
| 6845668 | Gyroscope | Yong-Kweon Kim | 2005-01-25 |