Inventor · disambiguated record
Dan Ozasa
Also filed as: OZASA DAN
28 granted patents·4 pending applications·347 citations·filing 2003–2024
96Inventor score
Top patents by PatentIndex Score
32 records- 0196US7327379B2Pixel clock and pulse-modulation-signal generating device, optical scanner, and image forming apparatusRICOH KK·Filed 2005·Granted Feb 5, 2008·36 cites·4 claims
- 0295US6933957B2Pixel clock generation apparatus, pixel clock generation method, and image forming apparatus capable of correcting main scan dot position shift with a high degree of accuracyRICOH KK·Filed 2003·Granted Aug 23, 2005·63 cites·46 claims
- 0394US8237760B2Light-source driving device, optical scanning device, and counting methodNIHEI YASUHIRO·Filed 2009·Granted Aug 7, 2012·20 cites·15 claims
- 0493US7463278B2Pixel clock generation circuitRICOH KK·Filed 2005·Granted Dec 9, 2008·23 cites·17 claims
- 0591US7515170B2Optical scanner and image forming apparatusRICOH KK·Filed 2006·Granted Apr 7, 2009·15 cites·15 claims
- 0691US6927789B2Pixel clock generating device, laser scanning device, and image forming deviceRICOH KK·Filed 2003·Granted Aug 9, 2005·52 cites·12 claims
- 0790US7528625B2Image forming apparatusRICOH KK·Filed 2005·Granted May 5, 2009·22 cites·31 claims
- 0888US11906356B2Spectral-characteristic acquisition apparatus and method of obtaining spectral characteristicsKOIKE TOSHIO·Filed 2022·Granted Feb 20, 2024·1 cites·20 claims
- 0986US7212224B2Pixel clock creation method, pixel clock creation device, optical scanning device, and image forming apparatusRICOH KK·Filed 2004·Granted May 1, 2007·37 cites·14 claims
- 1082US7936367B2Image forming apparatus controlling the output level of the light sourceRICOH CO LTD·Filed 2008·Granted May 3, 2011·6 cites·21 claims
- 1177US7671882B2Semiconductor laser modulation driving apparatus and image forming apparatusRICOH KK·Filed 2005·Granted Mar 2, 2010·5 cites·19 claims
- 1277US7496121B2Laser modulating and driving device and image reproducing apparatus using the sameRICOH KK·Filed 2004·Granted Feb 24, 2009·15 cites·27 claims
- 1375US8270026B2Light source driving device with relationship-based drive signal generating circuit, optical scanning device, and image forming apparatusNIHEI YASUHIRO·Filed 2009·Granted Sep 18, 2012·4 cites·9 claims
- 1475US8005321B2Pixel clock generator, optical scanner, and image forming apparatusRICOH CO LTD·Filed 2005·Granted Aug 23, 2011·4 cites·15 claims
- 1574US7936493B2Dot position correcting apparatus, optical scanning apparatus, imaging apparatus, and color imaging apparatusRICOH CO LTD·Filed 2006·Granted May 3, 2011·4 cites·4 claims
- 1674US7656422B2Pulse width modulaton device and image forming apparatusRICOH KK·Filed 2007·Granted Feb 2, 2010·4 cites·15 claims
- 1770US7863946B2Electric signal outputting apparatus with a switching part, an impedance matching part, and an auxiliary switching partRICOH CO LTD·Filed 2006·Granted Jan 4, 2011·6 cites·9 claims
- 1869US7193480B2Voltage controlled oscillator, PLL circuit, pulse modulation signal generating circuit, semiconductor laser modulation device and image forming apparatusRICOH KK·Filed 2004·Granted Mar 20, 2007·13 cites·2 claims
- 1968US7834902B2Pixel clock creation method, pixel clock creation device, optical scanning device, and image forming apparatusRICOH CO LTD·Filed 2007·Granted Nov 16, 2010·3 cites·12 claims
- 2066US8194113B2Pulse-modulation-signal generating device, light-source device, and optical scanning deviceOZASA DAN·Filed 2009·Granted Jun 5, 2012·2 cites·6 claims
- 2165US8947058B2Switching power supply device, AC power supply device, and image forming apparatusOZASA DAN·Filed 2012·Granted Feb 3, 2015·1 cites·11 claims
- 2257US7009430B2Circuit for generating pixel clock with fine phase controlRICOH KK·Filed 2004·Granted Mar 7, 2006·9 cites·9 claims
- 2356US7973817B2Pixel clock and pulse-modulation-signal generating device, optical scanner, and image forming apparatusRICOH CO LTD·Filed 2007·Granted Jul 5, 2011·0 cites·9 claims
- 2455US8446444B2Optical scanning device and image forming apparatusISHIDA MASAAKI·Filed 2009·Granted May 21, 2013·1 cites·6 claims
- 2554US8743169B2Pulse-modulation-signal generating device, light-source device, and optical scanning deviceOZASA DAN·Filed 2012·Granted Jun 3, 2014·0 cites·6 claims
- 2652US2024406336A1Colorimeter and image forming apparatus incorporating the sameKAWAZOE OSAMU·Filed 2024·Application pending·0 cites
- 2749US7400210B2Voltage controlled oscillator, PLL circuit, pulse modulation signal generating circuit, semiconductor laser modulation device and image forming apparatusRICOH KK·Filed 2006·Granted Jul 15, 2008·1 cites·6 claims
- 2843US2005089069A1Image forming apparatus and semiconductor laser modulation driving apparatusFiled 2004·Application pending·0 cites
- 2942US9548745B2Phase-detector circuit and clock-data recovery circuitOZASA DAN·Filed 2014·Granted Jan 17, 2017·0 cites·5 claims
- 3042US2014247862A1Sending and receiving system, method of sending and receiving, and receiving apparatusOZASA DAN·Filed 2014·Application pending·0 cites
- 3137US9770921B2High-frequency dielectric heating device and image forming apparatusINOUE YUKIE·Filed 2016·Granted Sep 26, 2017·0 cites·7 claims
- 3233US2015333901A1High-speed serial communication receiver circuitOZASA DAN·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Dan Ozasa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →