Inventor
OZASA DAN
JP28 patents
⚠️ This page may combine multiple inventors who share the name “OZASA DAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
13 patentsUS6933957B2Aug 23, 2005
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
RICOH KK63 citations96
US7528625B2May 5, 2009
Image forming apparatus
RICOH KK22 citations92
US7463278B2Dec 9, 2008
Pixel clock generation circuit
RICOH KK23 citations92
US7327379B2Feb 5, 2008
Pixel clock and pulse-modulation-signal generating device, optical scanner, and image forming apparatus
RICOH KK36 citations92
US7212224B2May 1, 2007
Pixel clock creation method, pixel clock creation device, optical scanning device, and image forming apparatus
RICOH KK37 citations92
US6927789B2Aug 9, 2005
Pixel clock generating device, laser scanning device, and image forming device
RICOH KK52 citations92
US7515170B2Apr 7, 2009
Optical scanner and image forming apparatus
RICOH KK15 citations84
US7496121B2Feb 24, 2009
Laser modulating and driving device and image reproducing apparatus using the same
RICOH KK15 citations84
US7193480B2Mar 20, 2007
Voltage controlled oscillator, PLL circuit, pulse modulation signal generating circuit, semiconductor laser modulation device and image forming apparatus
RICOH KK13 citations84
US7009430B2Mar 7, 2006
Circuit for generating pixel clock with fine phase control
RICOH KK9 citations74
US7671882B2Mar 2, 2010
Semiconductor laser modulation driving apparatus and image forming apparatus
RICOH KK5 citations63
US7656422B2Feb 2, 2010
Pulse width modulaton device and image forming apparatus
RICOH KK4 citations63
US7400210B2Jul 15, 2008
Voltage controlled oscillator, PLL circuit, pulse modulation signal generating circuit, semiconductor laser modulation device and image forming apparatus
RICOH KK1 citations52
RICOH CO LTD
6 patentsUS8005321B2Aug 23, 2011
Pixel clock generator, optical scanner, and image forming apparatus
RICOH CO LTD4 citations63
US7936493B2May 3, 2011
Dot position correcting apparatus, optical scanning apparatus, imaging apparatus, and color imaging apparatus
RICOH CO LTD4 citations63
US7936367B2May 3, 2011
Image forming apparatus controlling the output level of the light source
RICOH CO LTD6 citations63
US7863946B2Jan 4, 2011
Electric signal outputting apparatus with a switching part, an impedance matching part, and an auxiliary switching part
RICOH CO LTD6 citations63
US7834902B2Nov 16, 2010
Pixel clock creation method, pixel clock creation device, optical scanning device, and image forming apparatus
RICOH CO LTD3 citations63
US7973817B2Jul 5, 2011
Pixel clock and pulse-modulation-signal generating device, optical scanner, and image forming apparatus
RICOH CO LTD0 citations52
OZASA DAN
4 patentsUS8194113B2Jun 5, 2012
Pulse-modulation-signal generating device, light-source device, and optical scanning device
OZASA DAN2 citations61
US9548745B2Jan 17, 2017
Phase-detector circuit and clock-data recovery circuit
OZASA DAN0 citations50
US8947058B2Feb 3, 2015
Switching power supply device, AC power supply device, and image forming apparatus
OZASA DAN1 citations50
US8743169B2Jun 3, 2014
Pulse-modulation-signal generating device, light-source device, and optical scanning device
OZASA DAN0 citations50
NIHEI YASUHIRO
2 patentsUS8237760B2Aug 7, 2012
Light-source driving device, optical scanning device, and counting method
NIHEI YASUHIRO20 citations83
US8270026B2Sep 18, 2012
Light source driving device with relationship-based drive signal generating circuit, optical scanning device, and image forming apparatus
NIHEI YASUHIRO4 citations62