Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7893834 | Power control method for mobile RFID reader and RFID reader using the same | Chan-Won Park, Hoe-Sung Yang, Gil-Young Choi, Cheol Sig Pyo, Jong-Suk Chae +3 more | 2011-02-22 |
| 7821378 | Apparatus and method for receiving tag signal in mobile RFID reader | Ji-Hoon Bae, Chan-Won Park, Hee-Sook Mo, Chenghao Quan, Gil-Young Choi +2 more | 2010-10-26 |
| 7675403 | Method for estimating number of tags in slotted aloha-based RFID system | Chenghao Quan, Hee-Sook Mo, Ji-Hoon Bae, Gil-Young Choi, Cheol Sig Pyo +1 more | 2010-03-09 |
| 7592917 | RFID system and method for protecting information | Chenghao Quan, Hee-Sook Mo, Ji-Hoon Bae, Gil-Young Choi, Cheol Sig Pyo +1 more | 2009-09-22 |
| 7260040 | Method and apparatus to display status of an optical recording and/or reproducing apparatus | — | 2007-08-21 |
| 7215411 | Method of exposing wafer using scan-type exposure apparatus | — | 2007-05-08 |
| 7173758 | Gain-clamped semiconductor optical amplifier | Jeong-Seok Lee, Yun-Je Oh, Seong-Taek Hwang, Jeong-Mee Oh | 2007-02-06 |
| 7088502 | Semiconductor optical amplifier and optical amplifying apparatus using the same | Jeong-Seok Lee, Jeong-Mee Oh | 2006-08-08 |
| 7030415 | Semiconductor quantum dot optical amplifier, and optical amplifier module and optical transmission system using the same | — | 2006-04-18 |
| 6992816 | Apparatus and method for gain-spectrum-tilt compensation in long-wavelength band dispersion-compensating hybrid fiber amplifier | Hee Sang CHUNG, Won Kyoung Lee, Sun Hyok Chang, Hyun Jae Lee, Moo Jung Chu +2 more | 2006-01-31 |
| 6692892 | Composition for antireflection coating | Yusuke Takano, Hatsuyuki Tanaka | 2004-02-17 |