Naoki Komatsu
27Patents
7h-index
50Co-inventors
72Inventor score
Filing activity: May 29, 1997 → Apr 14, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6437515B1 | Discharge lamp lighting device of high startability with high pulse voltage | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5962981A | Discharge lamp lighting device | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7425802B2 | Discharge lamp lighting apparatus, luminaire and illumination system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6329875A | Power amplifier, power control method for power amplifier, and communication equipment | Electricity | 10 | Expired |
| US8115405B2 | High pressure discharge lamp lighting device and luminaire using same | Emerging Cross-Sectional Technologies | 7 | Active |
| US6960959B2 | Power amplifier and communication apparatus | Electricity | 7 | Expired |
| US8232746B2 | High pressure discharge lamp lighting device and lighting fixture using the same | Emerging Cross-Sectional Technologies | 7 | Active |
| US5930127A | Power source device | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7129650B2 | Lighting apparatus for high intensity discharge lamp | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8395327B2 | High-pressure discharge lamp lighting device and lighting fixture using the same | Emerging Cross-Sectional Technologies | 4 | Active |
| US8222835B2 | Electronic ballast with adjustable filament preheating based on output current symmetry | Emerging Cross-Sectional Technologies | 4 | Active |
| US8330382B2 | Electronic ballast for correcting asymmetrical current flow across a gas discharge lamp | Emerging Cross-Sectional Technologies | 3 | Active |
| US8222830B2 | Discharge lamp lighting device, lighting fixture, and lighting system | Electricity | 3 | Active |
| US8232741B2 | Electronic ballast with controlled lamp preheating | Emerging Cross-Sectional Technologies | 3 | Active |
| US8290451B2 | Noise reduction circuit for canceling leakage signal | Electricity | 3 | Active |
| US7814445B2 | Circuit wiring interference analysis device, interference analysis program, database used in interference analysis device, and asymmetrically connected line model | Electricity | 2 | Active |
| US10420195B2 | Lighting fixture | Electricity | 1 | Active |
| US8531124B2 | High pressure discharge lamp lighting device and illumination instrument | Emerging Cross-Sectional Technologies | 1 | Active |
| US9287249B2 | Semiconductor device | Electricity | 1 | Active |
| US8410196B2 | Surface-modified nanodiamond and its producing method | Chemistry; Metallurgy | 1 | Active |
| US11344958B2 | Cutting insert | Performing Operations; Transporting | 0 | Active |
| US9103790B2 | Linker for unimolecular FRET biosensor based on principle of fluorescence resonance energy transfer | Physics | 0 | Active |
| US9546093B2 | Minute diamond powder, method for collecting the same and slurry comprisng the same in suspension | Emerging Cross-Sectional Technologies | 0 | Active |
| US8143796B2 | Electronic ballast with controlled filament preheating using half-wave lamp current detection | Emerging Cross-Sectional Technologies | 0 | Active |
| US7788076B2 | Interference analysis method, interference analysis device, interference analysis program and recording medium with interference analysis program recorded thereon | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.