Dal Ahn
17Patents
6h-index
43Co-inventors
62Inventor score
Filing activity: Sep 7, 2000 → Oct 23, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6567648B1 | System combining radio frequency transmitter and receiver using circulator and method for canceling transmission signal thereof | Electricity | 67 | Expired |
| US6653917B2 | High-temperature superconductor low-pass filter for suppressing broadband harmonics | Emerging Cross-Sectional Technologies | 20 | Expired |
| US9059491B2 | Double microstrip transmission line having common defected ground structure and wireless circuit apparatus using the same | Electricity | 8 | Active |
| US7471167B2 | Balun | Electricity | 7 | Active |
| US8316645B2 | Triple swirl gas turbine combustor | Emerging Cross-Sectional Technologies | 6 | Active |
| US8330551B2 | Dual band high frequency amplifier using composite right/left handed transmission line | Electricity | 6 | Active |
| US8531253B2 | Serial L-C resonator with three-dimensional structure and ultra-wide bandpass filter using the same | Electricity | 2 | Active |
| US7535313B2 | Balun | Electricity | 2 | Active |
| US8358587B2 | Local wireless communication system and method employing frequency-variable signal detection | Electricity | 1 | Active |
| US8416037B2 | Phase shifter using bulk acoustic wave resonator | Electricity | 1 | Active |
| US8132415B2 | Fuel nozzle of gas turbine combustor for DME and design method thereof | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9166555B2 | Phase shifter using bulk acoustic wave resonator | Electricity | 0 | Active |
| US9184724B2 | Bulk acoustic wave resonator | General | 0 | Revoked |
| US8854157B2 | Balun comprising two conversion circuits each constituted by first to third FBARs | Electricity | 0 | Active |
| US9219465B2 | Bulk acoustic wave resonator | Electricity | 0 | Active |
| US8291708B2 | Combustor and multi combustor including the combustor, and combusting method | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11201592B2 | Doherty combiner | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.