Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6597263 | Dielectric filter having notch pattern | Dong Suk Jun, Chang Hwa Lee, Oh-Gone Chun, Sang Seok Lee | 2003-07-22 |
| 6400239 | Microwave filter with a movable shield having alignment windows | Oh Gon Chun, Chang Hwa Lee, Dong Suk Jun, Sang Seok Lee | 2002-06-04 |
| 6373352 | Duplexer with stepped impedance resonators | Chang Hwa Lee, Meyng-Soo Kim, Dong Suk Jun, Sang Seok Lee, Tae Goo Choy | 2002-04-16 |
| 6326867 | Dielectric filter having resonators arranged in series | Chang Hwa Lee, O Gon Chun, Dong Seok Jeon, Sang Seok Lee | 2001-12-04 |
| 6150906 | HF filter using resonators having convex-concave structure | Chang Hwa Lee, Oh Gon Chun, Sang Seok Lee | 2000-11-21 |
| 6130587 | Microstripline/stripline isolator/circulator having a propeller resonator | Dong Suk Jun, Meyung Soo Kim, Chang Hwa Lee, Sang Seok Lee, Tae Goo Choy | 2000-10-10 |
| 6054909 | Microwave filter with U-type resonator | Chang Hwa Lee, Myung-Soo Kim, Dong Suk Jun, Sang Seok Lee, Tae Goo Choy | 2000-04-25 |
| 5886986 | Duplexer having dual coupled line characteristics | Chang Hwa Lee, Meyng-Soo Kim, Dong Suk Jun, Sang Seok Lee, Tae Goo Choy | 1999-03-23 |