Jeong; Ji-Chai
Patent Applications and Registrations
Patent applications and USPTO patent grants for Jeong; Ji-Chai.The latest application filed is for "broad-band log-periodic dipole antenna".
- Jeong; Ji-Chai - Seoul KR
| Patent | Date |
|---|---|
| Wireless remote access base station and pico-cell system using the same Grant 7,653,313 - Lee , et al. January 26, 2 | 2010-01-26 |
| Wideband monopole antenna Grant 7,375,700 - Hwang , et al. May 20, 2 | 2008-05-20 |
| Broad-band log-periodic dipole antenna App 20070182655 - Lee; Han-Lim ; et al. | 2007-08-09 |
| Duobinary optical transmission apparatus Grant 7,224,907 - Lee , et al. May 29, 2 | 2007-05-29 |
| Duobinary optical transmitter Grant 7,215,892 - Lee , et al. May 8, 2 | 2007-05-08 |
| Wireless remote access base station and pico-cell system using the same App 20070058978 - Lee; Han-Lim ; et al. | 2007-03-15 |
| Radio frequency switch device App 20060189351 - Hwang; Seong-Taek ; et al. | 2006-08-24 |
| Wideband monopole antenna App 20060181463 - Hwang; Seong-Taek ; et al. | 2006-08-17 |
| Return-to-zero optical transmission device App 20050069331 - Lee, Jae-Hoon ; et al. | 2005-03-31 |
| Directly modulated distributed feedback laser diode optical transmitter applying vestigial side band modulation App 20040114844 - Lee, Han-Lim ; et al. | 2004-06-17 |
| Duobinary optical transmission apparatus App 20040096225 - Lee, Han-Lim ; et al. | 2004-05-20 |
| Duobinary optical transmission apparatus and method thereof App 20040086225 - Kim, Sung-Kee ; et al. | 2004-05-06 |
| Duobinary optical transmitter App 20040071473 - Lee, Han-Lim ; et al. | 2004-04-15 |
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