Cheon-Soo Kim
56Patents
12h-index
72Co-inventors
87Inventor score
Filing activity: Oct 24, 1990 → Sep 23, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5185282A | Method of manufacturing DRAM cell having a cup shaped polysilicon storage electrode | Electricity | 104 | Expired |
| US5952704A | Inductor devices using substrate biasing technique | Electricity | 54 | Expired |
| US5252845A | Trench DRAM cell with vertical transistor | Electricity | 53 | Expired |
| US7276976B2 | Triple cascode power amplifier of inner parallel configuration with dynamic gate bias technique | Electricity | 52 | Expired |
| US6395637B1 | Method for fabricating a inductor of low parasitic resistance and capacitance | Electricity | 50 | Expired |
| US7352247B2 | Triple cascode power amplifier of inner parallel configuration with dynamic gate bias technique | Electricity | 48 | Active |
| US6274920A | Integrated inductor device and method for fabricating the same | Electricity | 45 | Expired |
| US7626476B2 | Multi-metal coplanar waveguide | Electricity | 32 | Active |
| US8902103B2 | Radar apparatus supporting short and long range radar operation | Physics | 28 | Active |
| US6992366B2 | Stacked variable inductor | Electricity | 27 | Expired |
| US6081159A | Apparatus for improving linearity of small signal | Electricity | 23 | Expired |
| US6870222B2 | Device structure of RF LDMOS with trench type sinker | Electricity | 20 | Expired |
| US9780891B2 | Method and device for calibrating IQ imbalance and DC offset of RF tranceiver | Electricity | 12 | Active |
| US8212625B2 | Differential VCO and quadrature VCO using center-tapped cross-coupling of transformer | Electricity | 12 | Active |
| US9705515B1 | Digital phase locked loop and method of driving the same | Electricity | 9 | Active |
| US7551107B2 | Multiplexer for controlling data output sequence and parallel-to-serial converter using the same | Electricity | 9 | Active |
| US5793096A | MOS transistor embedded inductor device using multi-layer metallization technology | Electricity | 8 | Expired |
| US8076996B2 | Hybrid balun apparatus | Electricity | 8 | Active |
| USD816738S1 | Pre-treatment apparatus | General | 7 | Active |
| US6620667B2 | Method of making a HF LDMOS structure with a trench type sinker | Electricity | 7 | Expired |
| US7372352B2 | Transformer for varying inductance value | Electricity | 7 | Active |
| US7233204B2 | Method of acquiring low distortion and high linear characteristic in triode-typed transconductor | Electricity | 7 | Expired |
| US6473595B1 | RF active balun circuit for improving small-signal linearity | Electricity | 7 | Expired |
| US7688155B2 | Variable capacitor circuit having linear capacitance variation and voltage controlled oscillator using the same | Electricity | 6 | Active |
| US9581688B2 | Pulse radar apparatus | Physics | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.