Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7542521 | Direct-conversion frequency mixer | Byoung Gun Choi, Seok Bong Hyun, Geum-Young Tak, Hee Tae Lee, Chul Soon Park | 2009-06-02 |
| 7538618 | Wideband active balun circuit based on differential amplifier | Byoung Gun Choi, Byung Hun Min | 2009-05-26 |
| 7525999 | Method and apparatus for providing dual variable clocks for low-power wireless packet communication | Jeen Hur, Sun Hee Kim, Byung Jo Kim, Sang Baek Han, Hoo Sung Lee | 2009-04-28 |
| 7508860 | Pulse signal generator for ultra-wideband radio transception and radio transceiver having the same | Seok Bong Hyun, Geum-Young Tak, Byung Jo Kim, Kyung Hwan Park, Jeen Hur | 2009-03-24 |
| 7492226 | Linearization apparatus of triode region type operational transconductance amplifier | Young-Ho Kim | 2009-02-17 |
| 7436257 | High-efficiency mixed-mode power amplifier | Min Soo Park, Yun-Ho Choi, Kyung Hwan Park, Seok Bong Hyun | 2008-10-14 |
| 7429913 | Low power digital circuit for RFID tag | Sun Hee Kim, Sang Kyun Lee, Kyung Hwan Park | 2008-09-30 |
| 7417496 | Demodulator circuit of RFID system | Tae Young Kang, Kyung Hwan Park | 2008-08-26 |
| 7397321 | Digitally controlled circulator and radio frequency identification reader having the same | Seok Bong Hyun, Kyung Hwan Park, Tae Young Kang | 2008-07-08 |
| 7345820 | Optical pick-up apparatus | Soo-han Park, Jung-woo Hong, Bong-gi Kim | 2008-03-18 |
| 7336645 | Bluetooth-IP access system | Jeen Hur, Sang Baek Han, Hoo Sung Lee, Byung Jo Kim, Sung-Pack Hong | 2008-02-26 |
| 7254098 | CD-DVD compatible optical pickup and optical recording and/or reproducing apparatus using the same | Jung-gug Pae, Bong-gi Kim, Chun-seong Park, Soo-han Park, Moon-whan Lee +3 more | 2007-08-07 |
| 7092325 | Method of arranging optical pickup system and optical recording and/or reproducing apparatus having the arranged optical pickup system | Bong-gi Kim, Chun-seong Park, Soo-han Park, Moon-whan Lee, Hyo Chan Lee +3 more | 2006-08-15 |
| 7053666 | Phase frequency detector | Geum-Young Tak, Seok Bong Hyun, Kyung Hwan Park, Tae Young Kang | 2006-05-30 |
| 7020097 | Adaptive wireless network system comprising central optimizer and method thereof | Jeen Hur, Seok Bong Hyun, Kyu Ha Baek, Hee Tae Lee | 2006-03-28 |
| 6266470 | Optical switch module having a buffer device for minimizing a post welding shift | Seung Goo Kang, Min-Kyu Song, Hee Tae Lee, Sang Hwan Lee, Nam Hwang | 2001-07-24 |
| 5854867 | Optical module having lenses aligned on lens-positioning V-groove and fabrication method thereof | Sang Hwan Lee, Jong Tae Moon, Min-Kyu Song, Nam Hwang | 1998-12-29 |
| 5673350 | Laser module with focusing lens and fixing method of the focusing lens | Min-Kyu Song, Seung Goo Kang, Hee Tae Lee, Nam Hwang, Dong-Goo Kim | 1997-09-30 |
| 5612853 | Package for a power semiconductor device | Dong-Goo Kim, Min-Kyu Song, Seung Goo Kang, Hyung Jin Yoon, Hyung-Moo Park | 1997-03-18 |
| 5446959 | Method of packaging a power semiconductor device | Dong-Goo Kim, Min-Kyu Song, Seung Goo Kang, Hyung Jin Yoon, Hyung-Moo Park | 1995-09-05 |
| 5315835 | Method of learning a refrigerator use pattern for controlling a defrosting operation of the refrigerator | — | 1994-05-31 |
| 5269152 | Temperature control method for refrigerator | — | 1993-12-14 |
| 5263332 | Temperature control method for refrigerator | — | 1993-11-23 |