Dan OZASA

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Spectral-characteristic acquisition apparatus and method of obtaini...
- Patent number 11,906,356
- Issue date Feb 20, 2024
- Ricoh Company, Ltd.
- Toshio Koike
- G01 - MEASURING TESTING
Information Patent Grant
High-frequency dielectric heating device and image forming apparatus
- Patent number 9,770,921
- Issue date Sep 26, 2017
- Ricoh Company, Ltd.
- Yukie Inoue
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Phase-detector circuit and clock-data recovery circuit
- Patent number 9,548,745
- Issue date Jan 17, 2017
- Ricoh Company, Ltd.
- Dan Ozasa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Switching power supply device, AC power supply device, and image fo...
- Patent number 8,947,058
- Issue date Feb 3, 2015
- Ricoh Company, Limited
- Dan Ozasa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Pulse-modulation-signal generating device, light-source device, and...
- Patent number 8,743,169
- Issue date Jun 3, 2014
- Ricoh Company, Ltd.
- Dan Ozasa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 8,446,444
- Issue date May 21, 2013
- Ricoh Company, Ltd.
- Masaaki Ishida
- G02 - OPTICS
Information Patent Grant
Light source driving device with relationship-based drive signal ge...
- Patent number 8,270,026
- Issue date Sep 18, 2012
- Ricoh Company, Ltd.
- Yasuhiro Nihei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light-source driving device, optical scanning device, and counting...
- Patent number 8,237,760
- Issue date Aug 7, 2012
- Ricoh Company, Ltd.
- Yasuhiro Nihei
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Pulse-modulation-signal generating device, light-source device, and...
- Patent number 8,194,113
- Issue date Jun 5, 2012
- Ricoh Company, Ltd.
- Dan Ozasa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Pixel clock generator, optical scanner, and image forming apparatus
- Patent number 8,005,321
- Issue date Aug 23, 2011
- Ricoh Company, Limited
- Atsufumi Omori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pixel clock and pulse-modulation-signal generating device, optical...
- Patent number 7,973,817
- Issue date Jul 5, 2011
- Ricoh Company, Ltd.
- Yasuhiro Nihei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dot position correcting apparatus, optical scanning apparatus, imag...
- Patent number 7,936,493
- Issue date May 3, 2011
- Ricoh Company, Ltd.
- Masaaki Ishida
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus controlling the output level of the light s...
- Patent number 7,936,367
- Issue date May 3, 2011
- Ricoh Company, Ltd.
- Masaaki Ishida
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electric signal outputting apparatus with a switching part, an impe...
- Patent number 7,863,946
- Issue date Jan 4, 2011
- Ricoh Company, Ltd.
- Dan Ozasa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Pixel clock creation method, pixel clock creation device, optical s...
- Patent number 7,834,902
- Issue date Nov 16, 2010
- Ricoh Company, Ltd.
- Yasuhiro Nihei
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Semiconductor laser modulation driving apparatus and image forming...
- Patent number 7,671,882
- Issue date Mar 2, 2010
- Ricoh Company, Limited
- Dan Ozasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pulse width modulaton device and image forming apparatus
- Patent number 7,656,422
- Issue date Feb 2, 2010
- Ricoh Company, Ltd.
- Dan Ozasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus
- Patent number 7,528,625
- Issue date May 5, 2009
- Ricoh Company, Ltd.
- Dan Ozasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical scanner and image forming apparatus
- Patent number 7,515,170
- Issue date Apr 7, 2009
- Ricoh Company, Ltd.
- Atsufumi Omori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Laser modulating and driving device and image reproducing apparatus...
- Patent number 7,496,121
- Issue date Feb 24, 2009
- Ricoh Company, Ltd.
- Masaaki Ishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pixel clock generation circuit
- Patent number 7,463,278
- Issue date Dec 9, 2008
- Ricoh Company, Ltd.
- Dan Ozasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voltage controlled oscillator, PLL circuit, pulse modulation signal...
- Patent number 7,400,210
- Issue date Jul 15, 2008
- Ricoh Company, Ltd.
- Masaaki Ishida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Pixel clock and pulse-modulation-signal generating device, optical...
- Patent number 7,327,379
- Issue date Feb 5, 2008
- Ricoh Company, Ltd.
- Yasuhiro Nihei
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Pixel clock creation method, pixel clock creation device, optical s...
- Patent number 7,212,224
- Issue date May 1, 2007
- Ricoh Company, Ltd.
- Yasuhiro Nihei
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Voltage controlled oscillator, PLL circuit, pulse modulation signal...
- Patent number 7,193,480
- Issue date Mar 20, 2007
- Ricoh Company, Ltd.
- Masaaki Ishida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Circuit for generating pixel clock with fine phase control
- Patent number 7,009,430
- Issue date Mar 7, 2006
- Ricoh Company, Ltd.
- Yasuhiro Nihei
- G02 - OPTICS
Information Patent Grant
Pixel clock generation apparatus, pixel clock generation method, an...
- Patent number 6,933,957
- Issue date Aug 23, 2005
- Ricoh Company, Ltd.
- Atsufumi Omori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Pixel clock generating device, laser scanning device, and image for...
- Patent number 6,927,789
- Issue date Aug 9, 2005
- Ricoh Company, Ltd.
- Dan Ozasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SPECTRAL-CHARACTERISTIC ACQUISITION APPARATUS AND METHOD OF OBTAINI...
- Publication number 20230106354
- Publication date Apr 6, 2023
- RICOH COMPANY, LTD.
- Toshio KOIKE
- G01 - MEASURING TESTING
Information Patent Application
HIGH-FREQUENCY DIELECTRIC HEATING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170066254
- Publication date Mar 9, 2017
- RICOH COMPANY, LTD.
- Yukie Inoue
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
HIGH-SPEED SERIAL COMMUNICATION RECEIVER CIRCUIT
- Publication number 20150333901
- Publication date Nov 19, 2015
- RICOH COMPANY, LTD.
- Dan OZASA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHASE-DETECTOR CIRCUIT AND CLOCK-DATA RECOVERY CIRCUIT
- Publication number 20140340121
- Publication date Nov 20, 2014
- RICOH COMPANY, LTD.
- Dan OZASA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SENDING AND RECEIVING SYSTEM, METHOD OF SENDING AND RECEIVING, AND...
- Publication number 20140247862
- Publication date Sep 4, 2014
- RICOH COMPANY, LTD.
- Dan OZASA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Pulse-Modulation-Signal Generating Device, Light-Source Device, and...
- Publication number 20120249717
- Publication date Oct 4, 2012
- Dan Ozasa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
SWITCHING POWER SUPPLY DEVICE, AC POWER SUPPLY DEVICE, AND IMAGE FO...
- Publication number 20120212196
- Publication date Aug 23, 2012
- Dan OZASA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT-SOURCE DRIVING DEVICE, OPTICAL SCANNING DEVICE, AND COUNTING...
- Publication number 20100045767
- Publication date Feb 25, 2010
- RICOH COMPANY, LTD.
- Yasuhiro Nihei
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PULSE-MODULATION-SIGNAL GENERATING DEVICE, LIGHT-SOURCE DEVICE, AND...
- Publication number 20090212713
- Publication date Aug 27, 2009
- Dan Ozasa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20090195635
- Publication date Aug 6, 2009
- Masaaki Ishida
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE DRIVING DEVICE, OPTICAL SCANNING DEVICE, AND IMAGE FOR...
- Publication number 20090174915
- Publication date Jul 9, 2009
- YASUHIRO NIHEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20090167837
- Publication date Jul 2, 2009
- Masaaki Ishida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PIXEL CLOCK AND PULSE-MODULATION-SIGNAL GENERATING DEVICE, OPTICAL...
- Publication number 20080012933
- Publication date Jan 17, 2008
- Yasuhiro Nihei
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PIXEL CLOCK CREATION METHOD, PIXEL CLOCK CREATION DEVICE, OPTICAL S...
- Publication number 20070285495
- Publication date Dec 13, 2007
- Yasuhiro Nihei
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PULSE WIDTH MODULATION DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20070206234
- Publication date Sep 6, 2007
- Dan Ozasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRIC SIGNAL OUTPUTTING APPARATUS, SEMICONDUCTOR LASER MODULATIO...
- Publication number 20070126517
- Publication date Jun 7, 2007
- Dan Ozasa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Optical scanner and image forming apparatus
- Publication number 20070091163
- Publication date Apr 26, 2007
- Atsufumi Omori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VOLTAGE CONTROLLED OSCILLATOR, PLL CIRCUIT, PULSE MODULATION SIGNAL...
- Publication number 20070080753
- Publication date Apr 12, 2007
- Masaaki Ishida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Dot position correcting apparatus, optical scanning apparatus, imag...
- Publication number 20060285186
- Publication date Dec 21, 2006
- Masaaki Ishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image forming apparatus
- Publication number 20060049893
- Publication date Mar 9, 2006
- Dan Ozasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Pixel clock generation circuit
- Publication number 20050243163
- Publication date Nov 3, 2005
- Dan Ozasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Pixel clock generator, optical scanner, and image forming apparatus
- Publication number 20050219354
- Publication date Oct 6, 2005
- Atsufumi Omori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Semiconductor laser modulation driving apparatus and image forming...
- Publication number 20050213623
- Publication date Sep 29, 2005
- Dan Ozasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Pixel clock and pulse-modulation-signal generating device, optical...
- Publication number 20050146596
- Publication date Jul 7, 2005
- Yasuhiro Nihei
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Pixel clock creation method, pixel clock creation device, optical s...
- Publication number 20050099489
- Publication date May 12, 2005
- Yasuhiro Nihei
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image forming apparatus and semiconductor laser modulation driving...
- Publication number 20050089069
- Publication date Apr 28, 2005
- Dan Ozasa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Voltage controlled oscillator, PLL circuit, pulse modulation signal...
- Publication number 20040251973
- Publication date Dec 16, 2004
- Masaaki Ishida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Laser modulating and driving device and image reproducing apparatus...
- Publication number 20040183891
- Publication date Sep 23, 2004
- Masaaki Ishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Circuit for generating pixel clock with fine phase control
- Publication number 20040160509
- Publication date Aug 19, 2004
- Yasuhiro Nihei
- G02 - OPTICS
Information Patent Application
Pixel clock generation apparatus, pixel clock generation method, an...
- Publication number 20040125199
- Publication date Jul 1, 2004
- Atsufumi Omori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Person

Patents Grantslast 30 patents

Spectral-characteristic acquisition apparatus and method of obtaini...

High-frequency dielectric heating device and image forming apparatus

Phase-detector circuit and clock-data recovery circuit

Switching power supply device, AC power supply device, and image fo...

Pulse-modulation-signal generating device, light-source device, and...

Optical scanning device and image forming apparatus

Light source driving device with relationship-based drive signal ge...

Light-source driving device, optical scanning device, and counting...

Pulse-modulation-signal generating device, light-source device, and...

Pixel clock generator, optical scanner, and image forming apparatus

Pixel clock and pulse-modulation-signal generating device, optical...

Dot position correcting apparatus, optical scanning apparatus, imag...

Image forming apparatus controlling the output level of the light s...

Electric signal outputting apparatus with a switching part, an impe...

Pixel clock creation method, pixel clock creation device, optical s...

Semiconductor laser modulation driving apparatus and image forming...

Pulse width modulaton device and image forming apparatus

Image forming apparatus

Optical scanner and image forming apparatus

Laser modulating and driving device and image reproducing apparatus...

Pixel clock generation circuit

Voltage controlled oscillator, PLL circuit, pulse modulation signal...

Pixel clock and pulse-modulation-signal generating device, optical...

Pixel clock creation method, pixel clock creation device, optical s...

Voltage controlled oscillator, PLL circuit, pulse modulation signal...

Circuit for generating pixel clock with fine phase control

Pixel clock generation apparatus, pixel clock generation method, an...

Pixel clock generating device, laser scanning device, and image for...

Patents Applicationslast 30 patents

SPECTRAL-CHARACTERISTIC ACQUISITION APPARATUS AND METHOD OF OBTAINI...

HIGH-FREQUENCY DIELECTRIC HEATING DEVICE AND IMAGE FORMING APPARATUS

HIGH-SPEED SERIAL COMMUNICATION RECEIVER CIRCUIT

PHASE-DETECTOR CIRCUIT AND CLOCK-DATA RECOVERY CIRCUIT

SENDING AND RECEIVING SYSTEM, METHOD OF SENDING AND RECEIVING, AND...

Pulse-Modulation-Signal Generating Device, Light-Source Device, and...

SWITCHING POWER SUPPLY DEVICE, AC POWER SUPPLY DEVICE, AND IMAGE FO...

LIGHT-SOURCE DRIVING DEVICE, OPTICAL SCANNING DEVICE, AND COUNTING...

PULSE-MODULATION-SIGNAL GENERATING DEVICE, LIGHT-SOURCE DEVICE, AND...

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS

LIGHT SOURCE DRIVING DEVICE, OPTICAL SCANNING DEVICE, AND IMAGE FOR...

IMAGE FORMING APPARATUS

PIXEL CLOCK AND PULSE-MODULATION-SIGNAL GENERATING DEVICE, OPTICAL...

PIXEL CLOCK CREATION METHOD, PIXEL CLOCK CREATION DEVICE, OPTICAL S...

PULSE WIDTH MODULATION DEVICE AND IMAGE FORMING APPARATUS

ELECTRIC SIGNAL OUTPUTTING APPARATUS, SEMICONDUCTOR LASER MODULATIO...

Optical scanner and image forming apparatus

VOLTAGE CONTROLLED OSCILLATOR, PLL CIRCUIT, PULSE MODULATION SIGNAL...

Dot position correcting apparatus, optical scanning apparatus, imag...

Image forming apparatus

Pixel clock generation circuit

Pixel clock generator, optical scanner, and image forming apparatus

Semiconductor laser modulation driving apparatus and image forming...

Pixel clock and pulse-modulation-signal generating device, optical...

Pixel clock creation method, pixel clock creation device, optical s...

Image forming apparatus and semiconductor laser modulation driving...

Voltage controlled oscillator, PLL circuit, pulse modulation signal...

Laser modulating and driving device and image reproducing apparatus...

Circuit for generating pixel clock with fine phase control

Pixel clock generation apparatus, pixel clock generation method, an...