Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7933359 | Polar transmitter for increasing modulation rate using multi-phase generator | Jeong Hoon Lee, Jae Sup Lee, Eun-chul Park | 2011-04-26 |
| 7898669 | Absolute distance measurement method and system using optical frequency generator | Jonghan Jin, Young Jin Kim | 2011-03-01 |
| 7782165 | Wire-stacked transformer | Jae Sup Lee | 2010-08-24 |
| 7755214 | Diode circuit having passive element property, impedance modulator including the diode circuit, and DC source including the diode circuit | Seong-soo Lee, Jae Sup Lee | 2010-07-13 |
| 7616053 | Power amplifier circuit and method for envelope modulation of high frequency signal | Jeong Hoon Lee, Jae Sup Lee | 2009-11-10 |
| 7573412 | Digital-to-analog converter (DAC) | Jae Sup Lee | 2009-08-11 |
| 7554396 | Power amplifier circuit for peak envelope modulation of high frequency signal | — | 2009-06-30 |
| 7492982 | Optical module | Jeong-Seok Lee, Joong-Wan Park, Yu-Dong Bae, In-Kuk Yun, Jeong-Hwan Song | 2009-02-17 |
| 7483147 | Apparatus and method for measuring thickness and profile of transparent thin film using white-light interferometer | Young-sik Ghim | 2009-01-27 |
| 7439841 | Multi-loop type transformer | — | 2008-10-21 |
| 7405830 | Vibration-insensitive interferometer | Hagyong Kihm, Jung-Jae Park | 2008-07-29 |
| 7400211 | High speed passband phase modulation apparatus and method of the same | Jae Sup Lee, Tae Wook Kim, Jeong Hoon Lee, Young Sik Kim | 2008-07-15 |
| 7394548 | Heterodyne laser interferometer using heterogenous mode helium-neon laser and super heterodyne phase measuring method | Min Seok Kim | 2008-07-01 |
| 7355785 | Gain-clamped semiconductor optical amplifier | Ho-In Kim, Jeong-Seok Lee, In-Kuk Yun, Hyun-Cheol Shin, Seong-Taek Hwang | 2008-04-08 |
| 7270600 | Window having a ventilation equipment | Sung-Joo Cho | 2007-09-18 |
| 7236295 | Broadband light source | In-Kuk Yun, Jeong-Seok Lee, Seong-Taek Hwang | 2007-06-26 |
| 7213329 | Method of forming a solder ball on a board and the board | Pyeong-Wan Kim, Sang-Ho Ahn, Bo-Seong Kim, Ho-Jeong Mun, Tae-Seong Park +1 more | 2007-05-08 |
| 7209508 | Multi-channel light source and multi-channel optical module using the same | Jeong-Seok Lee, In-Kuk Yun, Seong-Taek Hwang | 2007-04-24 |
| 7200369 | LINC power transmitter | Bumman Kim, Youngoo Yang, Young Yun Woo, Jae Hyok Yi | 2007-04-03 |
| 7173757 | Broad-band light source using a semiconductor optical amplifier | Jeong-Seok Lee, Seong-Taek Hwang | 2007-02-06 |
| 7136218 | Raman optical amplifier | Seong-Taek Hwang, Jeong-Seok Lee | 2006-11-14 |
| 7123406 | Reflective semiconductor optical amplifier light source | Dong-Jae Shin, Jeong-Seok Lee, Seong-Taek Hwang | 2006-10-17 |
| 7110168 | Optical signal transmission apparatus including reflective gain-clamped semiconductor optical amplifier | Jeong-Seok Lee, Ho-In Kim, In-Kuk Yun, Hyun-Cheol Shin, Yun-Je Oh +1 more | 2006-09-19 |
| 7083110 | Window having a ventilation equipment | Sung-Joo Cho | 2006-08-01 |
| 7046435 | Reflective semiconductor optical amplifier | Hyun-Cheol Shin, Jeong-Seok Lee, Ho-In Kim, In-Kuk Yun, Seong-Taek Hwang | 2006-05-16 |