Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7990322 | Shortened HF and VHF antennas made with concentric ceramic cylinders | — | 2011-08-02 |
| 7375685 | Dual band electrically small microstrip antenna | — | 2008-05-20 |
| 7218090 | Passive radio frequency power spectrum analyzer | Ernest Potenziani, II | 2007-05-15 |
| 7061220 | Passive radio frequency power spectrum analyzer | Ernest Potenziani, II | 2006-06-13 |
| 7006043 | Wideband circularly polarized single layer compact microstrip antenna | — | 2006-02-28 |
| 6727855 | Folded multilayer electrically small microstrip antenna | — | 2004-04-27 |
| 6677901 | Planar tunable microstrip antenna for HF and VHF frequencies | — | 2004-01-13 |
| 6509873 | Circularly polarized wideband and traveling-wave microstrip antenna | Choon Sae Lee | 2003-01-21 |
| 6369760 | Compact planar microstrip antenna | Choon Sae Lee | 2002-04-09 |
| 6362785 | Compact cylindrical microstrip antenna | Choon Sae Lee | 2002-03-26 |
| 6285325 | Compact wideband microstrip antenna with leaky-wave excitation | Choon Sae Lee | 2001-09-04 |
| 6166692 | Planar single feed circularly polarized microstrip antenna with enhanced bandwidth | Choon Sae Lee | 2000-12-26 |
| 6166693 | Tapered leaky wave ultrawide band microstrip antenna | Choon Sae Lee | 2000-12-26 |
| 6005520 | Wideband planar leaky-wave microstrip antenna | Choon Sae Lee | 1999-12-21 |
| 5703601 | Double layer circularly polarized antenna with single feed | Choon Sae Lee | 1997-12-30 |
| 5561435 | Planar lower cost multilayer dual-band microstrip antenna | Choon Sae Lee, Felix Schwering | 1996-10-01 |
| 5471221 | Dual-frequency microstrip antenna with inserted strips | Choon Sae Lee | 1995-11-28 |
| 5319378 | Multi-band microstrip antenna | Choon Sae Lee | 1994-06-07 |
| 4496913 | Millimeter wave power combiner using concave reflectors | Lothar Wandinger | 1985-01-29 |