Shinya SHIMIZU

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Drive system and image forming apparatus including same
- Patent number 9,904,215
- Issue date Feb 27, 2018
- Ricoh Company, Ltd.
- Naoki Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Step up/down switching regulator
- Patent number 9,812,959
- Issue date Nov 7, 2017
- RICOH ELECTRONIC DEVICES CO., LTD.
- Yohichi Shiwaya
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gear transmission device, process unit including the gear transmiss...
- Patent number 9,606,500
- Issue date Mar 28, 2017
- Ricoh Company, Ltd.
- Naoki Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Gear transmission device and image forming apparatus including the...
- Patent number 9,501,025
- Issue date Nov 22, 2016
- Ricoh Company, Ltd.
- Masahiro Ishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drive system and image forming apparatus including same
- Patent number 9,448,512
- Issue date Sep 20, 2016
- Ricoh Company, Ltd.
- Naoki Matsuda
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Gear transmission device, process unit including the gear transmiss...
- Patent number 9,322,458
- Issue date Apr 26, 2016
- Ricoh Company, Ltd.
- Naoki Matsuda
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Gear transmission device and image forming apparatus including the...
- Patent number 9,310,747
- Issue date Apr 12, 2016
- Ricoh Company, Ltd.
- Masahiro Ishida
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Drive unit and image forming apparatus including same
- Patent number 9,188,930
- Issue date Nov 17, 2015
- Ricoh Company, Ltd.
- Masahiro Ishida
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Gear transmission device and image forming apparatus including the...
- Patent number 9,163,701
- Issue date Oct 20, 2015
- Ricoh Company, Ltd.
- Masahiro Ishida
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Gear transmission device and image forming apparatus including the...
- Patent number 8,934,815
- Issue date Jan 13, 2015
- Ricoh Company, Ltd.
- Masahiro Ishida
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Drive unit and image forming apparatus including same
- Patent number 8,903,279
- Issue date Dec 2, 2014
- Ricoh Company, Ltd.
- Masahiro Ishida
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Switching regulator and operation control method thereof
- Patent number 8,829,876
- Issue date Sep 9, 2014
- Ricoh Company, Ltd.
- Yuusuke Michishita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Synchronized drive unit and image forming apparatus having the sync...
- Patent number 8,824,930
- Issue date Sep 2, 2014
- Ricoh Company, Ltd.
- Kimiharu Yamazaki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
DC-DC converter including circuit to detect switching frequency of...
- Patent number 8,797,014
- Issue date Aug 5, 2014
- Ricoh Company, Ltd.
- Yuusuke Michishita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Controlling switching regulator under light load conditions
- Patent number 8,581,567
- Issue date Nov 12, 2013
- Ricoh Company, Ltd.
- Shinya Shimizu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Non-isolated current-mode-controlled switching voltage regulator
- Patent number 8,319,487
- Issue date Nov 27, 2012
- Ricoh Company, Ltd.
- Yuusuke Michishita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-DC converter having VFM mode in which inductor current increases...
- Patent number 8,242,764
- Issue date Aug 14, 2012
- Ricoh Company, Ltd.
- Shinya Shimizu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage step-up/step-down switching regulator and control method th...
- Patent number 8,217,633
- Issue date Jul 10, 2012
- Ricoh Company, Ltd.
- Shinya Shimizu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching regulator including low-pass filter configured to have ti...
- Patent number 8,076,914
- Issue date Dec 13, 2011
- Ricoh Company, Ltd.
- Shinya Shimizu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching regulator capable of preventing reverse current
- Patent number 7,839,130
- Issue date Nov 23, 2010
- Ricoh Company, Ltd.
- Shinya Shimizu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor apparatus
- Patent number 7,777,468
- Issue date Aug 17, 2010
- Ricoh Company, Ltd.
- Tsugunori Okuda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply circuit
- Patent number 7,701,089
- Issue date Apr 20, 2010
- Ricoh Company, Ltd.
- Shinya Shimizu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage up-and-down DC-DC convertor
- Patent number 7,692,416
- Issue date Apr 6, 2010
- Ricoh Company Company, Ltd.
- Shinya Shimizu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching regulator and control circuit and method used therein
- Patent number 7,522,432
- Issue date Apr 21, 2009
- Ricoh Company, Ltd.
- Shinya Shimizu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Step-down switching regulator
- Patent number 7,498,785
- Issue date Mar 3, 2009
- Ricoh Company, Ltd.
- Shinya Shimizu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Step-down switching regulator
- Patent number 7,352,160
- Issue date Apr 1, 2008
- Ricoh Company, Ltd.
- Shinya Shimizu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Step-down switching regulator
- Patent number 7,166,993
- Issue date Jan 23, 2007
- Ricoh Company, Ltd.
- Shinya Shimizu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
DRIVE TRANSMISSION DEVICE, SHEET CONVEYING DEVICE, AND IMAGE FORMIN...
- Publication number 20240383701
- Publication date Nov 21, 2024
- RICOH COMPANY, LTD.
- Shinya SHIMIZU
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
DRIVE TRANSMITTER INCLUDING AN ELECTROMAGNETIC UNIT, AND IMAGE FORM...
- Publication number 20200233364
- Publication date Jul 23, 2020
- RICOH COMPANY, LTD.
- Shinya SHIMIZU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRIVE SYSTEM AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20160238982
- Publication date Aug 18, 2016
- RICOH COMPANY, LTD.
- Naoki MATSUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
GEAR TRANSMISSION DEVICE, PROCESS UNIT INCLUDING THE GEAR TRANSMISS...
- Publication number 20160170367
- Publication date Jun 16, 2016
- RICOH COMPANY, LTD.
- Naoki Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
GEAR TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE...
- Publication number 20160161898
- Publication date Jun 9, 2016
- RICOH COMPANY LTD.
- Masahiro Ishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
GEAR TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE...
- Publication number 20150309467
- Publication date Oct 29, 2015
- RICOH COMPANY, LTD.
- Masahiro Ishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRIVE SYSTEM AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20150060191
- Publication date Mar 5, 2015
- RICOH COMPANY, LTD.
- Naoki MATSUDA
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
STEP UP/DOWN SWITCHING REGULATOR
- Publication number 20150054479
- Publication date Feb 26, 2015
- RICOH COMPANY, LTD.
- Yohichi Shiwaya
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DRIVE UNIT AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20150050051
- Publication date Feb 19, 2015
- RICOH COMPANY, LTD.
- Masahiro ISHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
GEAR TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE...
- Publication number 20140341613
- Publication date Nov 20, 2014
- RICOH COMPANY, LTD.
- Masahiro ISHIDA
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
GEAR TRANSMISSION DEVICE, PROCESS UNIT INCLUDING THE GEAR TRANSMISS...
- Publication number 20140270851
- Publication date Sep 18, 2014
- RICOH COMPANY, LTD.
- Naoki MATSUDA
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
GEAR TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE...
- Publication number 20140123796
- Publication date May 8, 2014
- RICOH COMPANY, LTD.
- Masahiro ISHIDA
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
DRIVE UNIT AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20130251404
- Publication date Sep 26, 2013
- Masahiro ISHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Synchronized Drive Unit And Image Forming Apparatus Having The Sync...
- Publication number 20120201571
- Publication date Aug 9, 2012
- RICOH COMPANY , LTD.
- Kimiharu Yamazaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SWITCHING REGULATOR AND OPERATION CONTROL METHOD THEREOF
- Publication number 20120038341
- Publication date Feb 16, 2012
- Yuusuke Michishita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC-DC CONVERTER
- Publication number 20110169464
- Publication date Jul 14, 2011
- RICOH COMPANY, LTD.
- Yuusuke Michishita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC-DC CONVERTER
- Publication number 20100066328
- Publication date Mar 18, 2010
- RICOH COMPANY, LTD.
- Shinya SHIMIZU
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
NON-ISOLATED CURRENT-MODE-CONTROLLED SWITCHING VOLTAGE REGULATOR
- Publication number 20090322299
- Publication date Dec 31, 2009
- RICOH COMPANY, LTD.
- Yuusuke Michishita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING REGULATOR
- Publication number 20090302820
- Publication date Dec 10, 2009
- RICOH COMPANY, LTD.
- Shinya SHIMIZU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING REGULATOR
- Publication number 20090115392
- Publication date May 7, 2009
- RICOH COMPANY, LTD.
- Shinya SHIMIZU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING REGULATOR CAPABLE OF PREVENTING REVERSE CURRENT
- Publication number 20080278129
- Publication date Nov 13, 2008
- Shinya Shimizu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Semiconductor apparatus
- Publication number 20080169793
- Publication date Jul 17, 2008
- Tsugunori Okuda
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
STEP-DOWN SWITCHING REGULATOR
- Publication number 20080122419
- Publication date May 29, 2008
- RICOH COMPANY, LTD.
- Shinya Shimizu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Switching regulator and control circuit and method used therein
- Publication number 20080079405
- Publication date Apr 3, 2008
- Shinya Shimizu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Step-down switching regulator
- Publication number 20070075697
- Publication date Apr 5, 2007
- Shinya Shimizu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Power supply circuit
- Publication number 20070035183
- Publication date Feb 15, 2007
- Shinya Shimizu
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Step-down switching regulator
- Publication number 20060208717
- Publication date Sep 21, 2006
- Shinya Shimizu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Shinya SHIMIZU

Person

Patents Grantslast 30 patents

Drive system and image forming apparatus including same

Step up/down switching regulator

Gear transmission device, process unit including the gear transmiss...

Gear transmission device and image forming apparatus including the...

Drive system and image forming apparatus including same

Gear transmission device, process unit including the gear transmiss...

Gear transmission device and image forming apparatus including the...

Drive unit and image forming apparatus including same

Gear transmission device and image forming apparatus including the...

Gear transmission device and image forming apparatus including the...

Drive unit and image forming apparatus including same

Switching regulator and operation control method thereof

Synchronized drive unit and image forming apparatus having the sync...

DC-DC converter including circuit to detect switching frequency of...

Controlling switching regulator under light load conditions

Non-isolated current-mode-controlled switching voltage regulator

DC-DC converter having VFM mode in which inductor current increases...

Voltage step-up/step-down switching regulator and control method th...

Switching regulator including low-pass filter configured to have ti...

Switching regulator capable of preventing reverse current

Semiconductor apparatus

Power supply circuit

Voltage up-and-down DC-DC convertor

Switching regulator and control circuit and method used therein

Step-down switching regulator

Step-down switching regulator

Step-down switching regulator

Patents Applicationslast 30 patents

DRIVE TRANSMISSION DEVICE, SHEET CONVEYING DEVICE, AND IMAGE FORMIN...

DRIVE TRANSMITTER INCLUDING AN ELECTROMAGNETIC UNIT, AND IMAGE FORM...

DRIVE SYSTEM AND IMAGE FORMING APPARATUS INCLUDING SAME

GEAR TRANSMISSION DEVICE, PROCESS UNIT INCLUDING THE GEAR TRANSMISS...

GEAR TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE...

GEAR TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE...

DRIVE SYSTEM AND IMAGE FORMING APPARATUS INCLUDING SAME

STEP UP/DOWN SWITCHING REGULATOR

DRIVE UNIT AND IMAGE FORMING APPARATUS INCLUDING SAME

GEAR TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE...

GEAR TRANSMISSION DEVICE, PROCESS UNIT INCLUDING THE GEAR TRANSMISS...

GEAR TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE...

DRIVE UNIT AND IMAGE FORMING APPARATUS INCLUDING SAME

Synchronized Drive Unit And Image Forming Apparatus Having The Sync...

SWITCHING REGULATOR AND OPERATION CONTROL METHOD THEREOF

DC-DC CONVERTER

DC-DC CONVERTER

NON-ISOLATED CURRENT-MODE-CONTROLLED SWITCHING VOLTAGE REGULATOR

SWITCHING REGULATOR

SWITCHING REGULATOR

SWITCHING REGULATOR CAPABLE OF PREVENTING REVERSE CURRENT

Semiconductor apparatus

STEP-DOWN SWITCHING REGULATOR

Switching regulator and control circuit and method used therein

Step-down switching regulator

Power supply circuit

Step-down switching regulator