Issued Patents All Time
Showing 176–195 of 195 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7433706 | Multiband transmitting and receiving apparatus and method using a control voltage of phase locked loop | Gea-ok Cho | 2008-10-07 |
| 7423991 | Apparatus and method for allocating subchannels adaptively according to frequency reuse rates in an orthogonal frequency division multiple access system | Sung Hyun Cho, Sang-Boh Yun, Won-Hyoung Park, Young-Nam Han, Ja Yong Koo | 2008-09-09 |
| 7420429 | Source coupled differential complementary colpitts oscillator | Choong-yul Cha, Chun-deok Suh | 2008-09-02 |
| 7397316 | Ring oscillator for calibrating phase error and phase-error calibration method therefor | Hyun-su Chae, Jung Eun Lee | 2008-07-08 |
| 7386239 | Chirped RZ-AMI optical transmitter | Han-Lim Lee, Seong-Taek Hwang | 2008-06-10 |
| 7378908 | Variable gain differential amplifier, and variable degeneration impedance control device and method for use in the same | Chun-deok Suh, Jung Eun Lee | 2008-05-27 |
| 7368869 | Light emitting device, display apparatus having the light emitting device, and method of manufacturing the display apparatus | Jae Hoon Chung, Joon-Hoo Choi | 2008-05-06 |
| 7358811 | CMOS variable gain amplifier for controlling dB linear gain | Jeongwook Koh, Kyoung-sik Seol, Gyu-Hyeong Cho | 2008-04-15 |
| 7345551 | Frequency synthesizer for mixing reference frequencies | Choong-yul Cha, Chun-deok Suh | 2008-03-18 |
| 7342526 | Digital-to-analog converter using plural transistors having the same operating characteristics | Jung Eun Lee, Han Seung Lee | 2008-03-11 |
| 7312660 | Differential amplifier and active load for the same | Jeongwook Koh, Han Seung Lee | 2007-12-25 |
| 7312569 | Flat panel display apparatus | Jae Hoon Chung, Joon-Hoo Choi, Sang-Pil Lee | 2007-12-25 |
| 7310023 | Frequency synthesizer | Choong-yul Cha | 2007-12-18 |
| 7277646 | Duobinary optical transmitter | Seong-Taek Hwang | 2007-10-02 |
| 7224506 | Single side band modulation device | Sung-Kee Kim, Han-Lim Lee, Seong-Taek Hwang | 2007-05-29 |
| 7212691 | Polarization-shaped duobinary optical transmission apparatus | Seong-Taek Hwang | 2007-05-01 |
| 7205876 | Inductor for radio frequency integrated circuit | Kwang Du Lee, Gea-ok Cho | 2007-04-17 |
| 7199669 | Dual gate cascade amplifier | Sung-jae Jung, Yun-seong Eo, Kwang Du Lee, Sang-yoon Jeon | 2007-04-03 |
| 6912114 | High-capacitance capacitor having multi-layered vertical structure | Gea-ok Cho | 2005-06-28 |
| 6349103 | Cold-start wavelength-division-multiplexed optical transmission system | Yun Chur Chung, Jin Jang, Seung Kyun Shin, Keun Joo Park, Kwan-Seop Lee | 2002-02-19 |