Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7376424 | Method for seamless inter-frequency hard handover in radio communication system | Il Gyu KIM, Seung-Chan Bang, Jae Heung Kim | 2008-05-20 |
| 7352807 | Apparatus and method for generating pulse based on time delay and wave transform and transmitter of multi-frequency band communication system using the same | Seung Sik LEE, Jae Young Kim, Hyung Soo Lee | 2008-04-01 |
| 7307587 | High-gain radiating element structure using multilayered metallic disk array | Soon-Young Eom, Soon-Ik Jeon | 2007-12-11 |
| 7260374 | Method for controlling power level of received signal in ultra wide band transmission system | Hyung Soo Lee, Sang-In Cho, Kyu Min KANG | 2007-08-21 |
| 7212162 | Horn antenna for circular polarization using planar radiator | Young-Bae Jung, Soon-Ik Jeon | 2007-05-01 |
| 7190944 | Method for performing handover based compressed mode and common frequency of neighbor cells | Il Gyu KIM, Seung-Chan Bang, Jae Heung Kim | 2007-03-13 |
| 7099686 | Microstrip patch antenna having high gain and wideband | Haeng Sook RO, Jae-Seung Yun, Soon-Ik Jeon | 2006-08-29 |
| 7075495 | Offset hybrid antenna using focuser | Young-Bae Jung, Soon-Young Eom, Jae-Seung Yun, Seong-Ho Son, Soon-Ik Jeon | 2006-07-11 |
| 7006044 | Microstrip patch antenna using MEMS technology | Won Kyu Choi, Yong-Heui Cho, Cheol Sig Pyo, Soon-Ik Jeon | 2006-02-28 |
| 6965345 | Method for designing multiband antenna using genetic algorithm device linked to full electromagnetic wave analyzing device | Ji-Hoon Bae, Cheol Sig Pyo, You Chung Chung, Jeong Il Kim, Jae-Ick Choi | 2005-11-15 |
| 5982880 | Method and apparatus for canceling tone signal noise generated when using a speakerphone in a digital key telephone apparatus | — | 1999-11-09 |
| 5851482 | Tin-bismuth based lead-free solder for copper and copper alloys | — | 1998-12-22 |
| 5618456 | Improvement of surface property of tip and nozzle for gas welder made of copper and copper alloys by chemical conversion coating treatment | — | 1997-04-08 |