Minoru Maehara
27Patents
11h-index
35Co-inventors
75Inventor score
Filing activity: Sep 14, 1989 → Sep 26, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5063490A | Regulated chopper and inverter with shared switches | Electricity | 58 | Expired |
| US6057652A | Power supply for supplying AC output power | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6914395B2 | Electronic ballast for a high-pressure discharge lamp | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5764496A | Inverter device including an auxiliary power supply with a smoothing capacitor | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5410466A | High power-factor inverter device having reduced output ripple | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5274540A | Inverter device for stable, high power-factor input current supply | Emerging Cross-Sectional Technologies | 23 | Expired |
| US8330378B2 | Illumination device and method for controlling a color temperature of irradiated light | Electricity | 19 | Active |
| US6075715A | Power source device | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4933831A | Power supply | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5459651A | Inverter device for stable, high power-factor input current supply | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5251119A | Inverter with shared chopper function for high input power factor with restrained higher harmonics | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7425802B2 | Discharge lamp lighting apparatus, luminaire and illumination system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5517403A | Inverter device | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5995398A | Power supply device | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8810155B2 | Illumination light communication device, and illumination apparatus and system including same | Electricity | 5 | Active |
| US8436550B2 | LED lamp driving circuit with dimming capability | Emerging Cross-Sectional Technologies | 5 | Active |
| US7015655B2 | Electronic ballast for a high intensity discharge lamp | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8138679B2 | Organic electroluminescent light emitting device for restoring normal operation after low-voltage errors | Emerging Cross-Sectional Technologies | 4 | Active |
| US8432105B2 | Light control apparatus for lighting an organic electroluminescence device and lighting appliance using the same | Emerging Cross-Sectional Technologies | 4 | Active |
| US8344651B2 | Light control apparatus and lighting appliance using the same | Emerging Cross-Sectional Technologies | 4 | Active |
| US7129650B2 | Lighting apparatus for high intensity discharge lamp | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8749168B2 | Illumination light communication device, and illumination apparatus and system including same | Electricity | 2 | Active |
| US8513898B2 | Light emitting device that restores abnormal light emitting element | Emerging Cross-Sectional Technologies | 1 | Active |
| US9374860B2 | Lighting device | Electricity | 1 | Active |
| US8493297B2 | OLED driver, lighting apparatus equipped with the driver and an adjustment method of the apparatus | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.