Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7817737 | Method of generating multi-channel local oscillation frequencies | Yuna Shim, Dae Young Yoon, Jeong Hoon Kim, Eung Ju Kim, Tah Joon Park | 2010-10-19 |
| 7741922 | Switch, negative resistance cell, and differential voltage controlled oscillator using the same | In-Young Lee, Seok Ju YUN, Seong Hoon Choi, Chang Sun Kim | 2010-06-22 |
| 7616061 | Low noise amplifier for ultra wide band | Choong-yul Cha, Hoon Kim | 2009-11-10 |
| 7557657 | Variable gain amplifier with wide gain variation and wide bandwidth | Hoang Duong Quoc, Jeong Hoon Kim, Tah Joon Park, Eung Ju Kim | 2009-07-07 |
| 7539424 | Burst mode optical receiver for maintaining constant signal amplitude | Ho Yong Kang, Hyun Kyun Choi, Tae Whan Yoo, Hyeong Ho Lee, Man Lee +1 more | 2009-05-26 |
| 7536163 | Apparatus and method generating multi RF tone signals in UWB communication system | Min Suk Kang, Tuan Phan, Eun-chul Park, Chun-deok Suh, Chang-wam Kim | 2009-05-19 |
| 7389098 | Heterodyne receiver for low noise and image frequency repression | Nam Jin Oh, Moon Su Yang | 2008-06-17 |
| 7369781 | Burst mode optical receiver considering characteristic of extinction ratio of received optical signal | Ja-Won Seo, Ho Yong Kang, Hyun Kyun Choi, Tae Whan Yoo, Hyeong Ho Lee +1 more | 2008-05-06 |
| 7319366 | Offset local oscillator without using frequency divider | Nam Jin Oh | 2008-01-15 |
| 7304548 | Differential voltage controlled oscillator using complementary transistors cross-coupled in series, and transceiver using the same | So-Bong Shin, Seok Ju YUN | 2007-12-04 |
| 7199675 | Source-injection parallel coupled LC-quadrature voltage controlled oscillator | So-Bong Shin, Hyoung-Chul Choi | 2007-04-03 |
| 7145409 | Low power quadrature voltage controlled oscillator using back gate | Hye Ryoung KIM | 2006-12-05 |
| 7123112 | Complementary voltage controlled oscillator | Dong-Kyun Kang, Choong-yul Cha | 2006-10-17 |
| 6892062 | Current-reuse bleeding mixer | Jung Ki Choi, Nam-Soo Kim | 2005-05-10 |
| 6605996 | Automatically gain controllable linear differential amplifier using variable degeneration resistor | Hyun-Kyu Yu, Mun Yang Park, Seong Do Kim, Yong Sik Youn, Seon-Ho Han +1 more | 2003-08-12 |
| 6380835 | Symmetric multi-layer spiral inductor for use in RF integrated circuits | — | 2002-04-30 |
| 6265908 | Low voltage balun circuit | — | 2001-07-24 |
| 5809410 | Low voltage RF amplifier and mixed with single bias block and method | Carlton Stuebing, Richard Douglas Schultz, Thomas David Brogan | 1998-09-15 |
| 5686822 | Method of making a reference current generator | Gregg D. Croft, Steven R. Jost | 1997-11-11 |
| 4873363 | Process for the preparation of 3-(4'-bromobiphenyl-4-yl)tetralin-1-one | In Ok Kim | 1989-10-10 |