Dan Ozasa
28Patents
9h-index
9Co-inventors
68Inventor score
Filing activity: Apr 9, 2003 → Jul 28, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6933957B2 | Pixel clock generation apparatus, pixel clock generation method, and image forming apparatus capable of correcting main scan dot position shift with a high degree of accuracy | Physics | 33 | Expired |
| US6927789B2 | Pixel clock generating device, laser scanning device, and image forming device | Electricity | 26 | Expired |
| US7212224B2 | Pixel clock creation method, pixel clock creation device, optical scanning device, and image forming apparatus | Physics | 20 | Expired |
| US7327379B2 | Pixel clock and pulse-modulation-signal generating device, optical scanner, and image forming apparatus | Electricity | 20 | Expired |
| US8237760B2 | Light-source driving device, optical scanning device, and counting method | Physics | 18 | Active |
| US7528625B2 | Image forming apparatus | Electricity | 16 | Active |
| US7463278B2 | Pixel clock generation circuit | Electricity | 14 | Expired |
| US7496121B2 | Laser modulating and driving device and image reproducing apparatus using the same | Electricity | 11 | Expired |
| US7515170B2 | Optical scanner and image forming apparatus | Electricity | 11 | Active |
| US7009430B2 | Circuit for generating pixel clock with fine phase control | Electricity | 7 | Expired |
| US7193480B2 | Voltage controlled oscillator, PLL circuit, pulse modulation signal generating circuit, semiconductor laser modulation device and image forming apparatus | Electricity | 6 | Expired |
| US7936367B2 | Image forming apparatus controlling the output level of the light source | Physics | 6 | Active |
| US7671882B2 | Semiconductor laser modulation driving apparatus and image forming apparatus | Electricity | 4 | Active |
| US7936493B2 | Dot position correcting apparatus, optical scanning apparatus, imaging apparatus, and color imaging apparatus | Electricity | 4 | Active |
| US7863946B2 | Electric signal outputting apparatus with a switching part, an impedance matching part, and an auxiliary switching part | Electricity | 3 | Active |
| US8270026B2 | Light source driving device with relationship-based drive signal generating circuit, optical scanning device, and image forming apparatus | Electricity | 3 | Active |
| US7656422B2 | Pulse width modulaton device and image forming apparatus | Electricity | 2 | Active |
| US8005321B2 | Pixel clock generator, optical scanner, and image forming apparatus | Electricity | 2 | Active |
| US7834902B2 | Pixel clock creation method, pixel clock creation device, optical scanning device, and image forming apparatus | Physics | 2 | Active |
| US8947058B2 | Switching power supply device, AC power supply device, and image forming apparatus | Physics | 1 | Active |
| US8446444B2 | Optical scanning device and image forming apparatus | Physics | 1 | Active |
| US11906356B2 | Spectral-characteristic acquisition apparatus and method of obtaining spectral characteristics | Physics | 1 | Active |
| US8194113B2 | Pulse-modulation-signal generating device, light-source device, and optical scanning device | Performing Operations; Transporting | 1 | Active |
| US7973817B2 | Pixel clock and pulse-modulation-signal generating device, optical scanner, and image forming apparatus | Electricity | 0 | Active |
| US7400210B2 | Voltage controlled oscillator, PLL circuit, pulse modulation signal generating circuit, semiconductor laser modulation device and image forming apparatus | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.