Choon Sae Lee
28Patents
12h-index
6Co-inventors
74Inventor score
Filing activity: Mar 25, 1991 → Jul 25, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6285325A | Compact wideband microstrip antenna with leaky-wave excitation | Electricity | 210 | Expired |
| US6839028B2 | Microstrip antenna employing width discontinuities | Electricity | 101 | Expired |
| US6281847A | Electronically steerable and direction finding microstrip array antenna | Electricity | 98 | Expired |
| US6005520A | Wideband planar leaky-wave microstrip antenna | Electricity | 50 | Expired |
| US5703601A | Double layer circularly polarized antenna with single feed | Electricity | 32 | Expired |
| US5319378A | Multi-band microstrip antenna | Electricity | 25 | Expired |
| US7250908B2 | Beam steering array antenna method and apparatus | Electricity | 22 | Expired |
| US6166692A | Planar single feed circularly polarized microstrip antenna with enhanced bandwidth | Electricity | 20 | Expired |
| US5471221A | Dual-frequency microstrip antenna with inserted strips | Electricity | 19 | Expired |
| US5818391A | Microstrip array antenna | Electricity | 17 | Expired |
| US6133878A | Microstrip array antenna | Electricity | 16 | Expired |
| US7079077B2 | Methods and apparatus for implementation of an antenna for a wireless communication device | Electricity | 12 | Expired |
| US7705782B2 | Microstrip array antenna | Electricity | 8 | Expired |
| US7205944B2 | Methods and apparatus for implementation of an antenna for a wireless communication device | Electricity | 7 | Expired |
| US5157937A | Rotating adsorption heat pump using thermosyphons for internal heat exchange | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6166693A | Tapered leaky wave ultrawide band microstrip antenna | Electricity | 5 | Expired |
| US6509873B1 | Circularly polarized wideband and traveling-wave microstrip antenna | Electricity | 5 | Expired |
| US5777531A | Semiconductor coplanar waveguide phase shifter | Electricity | 4 | Expired |
| US6369760B1 | Compact planar microstrip antenna | Electricity | 4 | Expired |
| US6693595B2 | Cylindrical double-layer microstrip array antenna | Electricity | 3 | Expired |
| US6362785B1 | Compact cylindrical microstrip antenna | Electricity | 3 | Expired |
| US9030053B2 | Device for collecting energy wirelessly | Electricity | 2 | Active |
| US10854761B1 | Electronic switch and active artificial dielectric | Electricity | 1 | Active |
| US9601928B2 | Device for collecting energy wirelessly | Electricity | 0 | Active |
| US10515766B2 | Capacitor with negative capacitance | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.