Leng Ooi
35Patents
11h-index
39Co-inventors
75Inventor score
Filing activity: Nov 16, 1987 → Sep 16, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8553910B1 | Wearable computing device with behind-ear bone-conduction speaker | Electricity | 244 | Active |
| US4894663A | Ultra thin radio housing with integral antenna | Electricity | 198 | Expired |
| US9031273B2 | Wearable computing device with behind-ear bone-conduction speaker | Electricity | 195 | Active |
| US8867757B1 | Microphone under keyboard to assist in noise cancellation | Electricity | 38 | Active |
| US5335365A | Frequency synthesizer with VCO output control | Electricity | 26 | Expired |
| US5083236A | Inductor structure with integral components | Electricity | 22 | Expired |
| US5017897A | Split ring resonator bandpass filter with differential output | Electricity | 18 | Expired |
| US5367434A | Electrical module assembly | Electricity | 17 | Expired |
| US5164690A | Multi-pole split ring resonator bandpass filter | Electricity | 15 | Expired |
| US5057803A | Stripline split ring resonator bandpass filter | Electricity | 15 | Expired |
| US5189593A | Integrated distributed resistive-capacitive network | Electricity | 13 | Expired |
| US5363067A | Microstrip assembly | Electricity | 11 | Expired |
| US4904964A | Voltage control oscillator with modulation compensation | Electricity | 8 | Expired |
| US5294749A | Surface mountable molded electronic component | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5185583A | Actively biased oscillator | Electricity | 6 | Expired |
| US5216378A | Switch adaptable radio frequency amplifier | Electricity | 6 | Expired |
| US5313662A | Split-ring resonator bandpass filter with adjustable zero | Electricity | 6 | Expired |
| US5045815A | Amplitude and phase balanced voltage-controlled oscillator | Electricity | 6 | Expired |
| US5357218A | Self-shielding microstrip assembly | Electricity | 6 | Expired |
| US9449602B2 | Dual uplink pre-processing paths for machine and human listening | Physics | 4 | Active |
| US6801754B2 | Intelligent repeater and method to provide increased signaling | Electricity | 3 | Expired |
| US5512862A | Oscillator with improved sideband noise | Electricity | 3 | Expired |
| US6625237B2 | Null-pilot symbol assisted fast automatic frequency control (AFC) system for coherent demodulation of continuous phase modulation (CPM) signals and method for implementing same | Electricity | 3 | Expired |
| US7035364B2 | Digital receiver fast frequency and time acquisition system using a single synchronization word and method of using same | Electricity | 2 | Expired |
| US8976992B2 | Speaker porting around backlit keyboard | Electricity | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.