Katsuaki Miyawaki

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Sheet conveying device and image forming apparatus incorporating th...
- Patent number 11,066,263
- Issue date Jul 20, 2021
- Ricoh Company, Ltd.
- Jun Yamane
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet conveying device, image forming apparatus incorporating the s...
- Patent number 10,875,728
- Issue date Dec 29, 2020
- Ricoh Company, Ltd.
- Jun Yamane
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet conveying device and image forming apparatus incorporating th...
- Patent number 10,730,713
- Issue date Aug 4, 2020
- Ricoh Company, Ltd.
- Hiromichi Matsuda
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet conveying device and image forming apparatus incorporating th...
- Patent number 10,584,008
- Issue date Mar 10, 2020
- Ricoh Company, Ltd.
- Hiromichi Matsuda
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet conveying device, image forming apparatus incorporating the s...
- Patent number 10,530,950
- Issue date Jan 7, 2020
- Ricoh Company, Ltd.
- Takeshi Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sheet conveying device and image forming apparatus incorporating th...
- Patent number 10,392,213
- Issue date Aug 27, 2019
- Ricoh Company, Ltd.
- Hiromichi Matsuda
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet conveying device and image forming apparatus incorporating th...
- Patent number 10,358,311
- Issue date Jul 23, 2019
- Ricoh Company, Ltd.
- Jun Yamane
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet conveying device, image forming apparatus incorporating the s...
- Patent number 10,358,309
- Issue date Jul 23, 2019
- Ricoh Company, Ltd.
- Jun Yamane
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Planetary gear assembly, drive unit including the planetary gear as...
- Patent number 10,323,719
- Issue date Jun 18, 2019
- Ricoh Company, Ltd.
- Hiromichi Matsuda
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Image reading device, image forming apparatus and method using the...
- Patent number 10,104,252
- Issue date Oct 16, 2018
- Ricoh Company, Ltd.
- Tetsuo Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sheet conveying device and image forming apparatus incorporating th...
- Patent number 9,776,819
- Issue date Oct 3, 2017
- Ricoh Company, Ltd.
- Jun Yamane
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Power transmission device and image forming apparatus including the...
- Patent number 9,268,247
- Issue date Feb 23, 2016
- Ricoh Company, Ltd.
- Kimiharu Yamazaki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Reduction gear unit and image forming apparatus incorporating same
- Patent number 9,176,453
- Issue date Nov 3, 2015
- Ricoh Company, Ltd.
- Katsuaki Miyawaki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Driving device and image forming apparatus including the driving de...
- Patent number 9,121,477
- Issue date Sep 1, 2015
- Ricoh Company, Ltd.
- Yasuhiro Maehata
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rotating-body driving device and image forming apparatus
- Patent number 9,042,784
- Issue date May 26, 2015
- Ricoh Company, Limited
- Hiromichi Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Rotary body driver with planetary gear transmission and image formi...
- Patent number 8,864,620
- Issue date Oct 21, 2014
- Ricoh Company, Ltd.
- Yasuhiro Maehata
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Drive transmission unit and image forming apparatus including same
- Patent number 8,845,472
- Issue date Sep 30, 2014
- Ricoh Company, Ltd.
- Hiromichi Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drive device and image forming apparatus including same
- Patent number 8,747,276
- Issue date Jun 10, 2014
- Ricoh Company, Ltd.
- Keisuke Shimizu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rotary drive device with a planetary gear mechanism to drive a rota...
- Patent number 8,588,651
- Issue date Nov 19, 2013
- Ricoh Company, Ltd.
- Hiromichi Matsuda
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Driving device and image forming apparatus
- Patent number 8,585,537
- Issue date Nov 19, 2013
- Ricoh Company, Limited
- Katsuaki Miyawaki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Planetary gear unit and image forming apparatus including same
- Patent number 8,523,730
- Issue date Sep 3, 2013
- Ricoh Company, Ltd.
- Katsuaki Miyawaki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Decelerator, drive device including same, and image forming apparat...
- Patent number 8,229,325
- Issue date Jul 24, 2012
- Ricoh Company, Ltd.
- Nobuo Iwata
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus for controlling glossiness of an image
- Patent number 8,180,270
- Issue date May 15, 2012
- Ricoh Company, Ltd.
- Kei Yasutomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Abnormality determining apparatus, image forming apparatus includin...
- Patent number 7,903,269
- Issue date Mar 8, 2011
- Ricoh Company, Ltd.
- Yoshinori Nakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus capable of smooth transmission of recording...
- Patent number 7,831,185
- Issue date Nov 9, 2010
- Ricoh Co., Ltd.
- Fumihito Masubuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Filling-rate lowering and rolling rate adjusting image forming appa...
- Patent number 7,822,351
- Issue date Oct 26, 2010
- Ricoh Company, Ltd.
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process, toner, process cartridge and apparatus for developing a to...
- Patent number 7,790,343
- Issue date Sep 7, 2010
- Ricoh Company, Ltd.
- Kazumi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Abnormality determining apparatus, image forming apparatus, copying...
- Patent number 7,778,555
- Issue date Aug 17, 2010
- Ricoh Company, Limited
- Hisashi Shoji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device for driving rotary body with mechanism for dampening fluctua...
- Patent number 7,751,746
- Issue date Jul 6, 2010
- Ricoh Company, Limited
- Katsuaki Miyawaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Corona charger having two charging regions
- Patent number 7,738,813
- Issue date Jun 15, 2010
- Ricoh Company, Ltd.
- Kei Yasutomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING TH...
- Publication number 20190330001
- Publication date Oct 31, 2019
- RICOH COMPANY, LTD.
- Hiromichi MATSUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING TH...
- Publication number 20190315586
- Publication date Oct 17, 2019
- RICOH COMPANY, LTD.
- Jun YAMANE
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SHEET CONVEYING DEVICE, IMAGE FORMING APPARATUS INCORPORATING THE S...
- Publication number 20190291994
- Publication date Sep 26, 2019
- RICOH COMPANY, LTD.
- Jun YAMANE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING TH...
- Publication number 20180362278
- Publication date Dec 20, 2018
- RICOH COMPANY, LTD.
- Hiromichi MATSUDA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SHEET CONVEYING DEVICE, IMAGE FORMING APPARATUS INCORPORATING THE S...
- Publication number 20180273323
- Publication date Sep 27, 2018
- RICOH COMPANY, LTD.
- Jun YAMANE
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SHEET CONVEYING DEVICE, IMAGE FORMING APPARATUS INCORPORATING THE S...
- Publication number 20180241896
- Publication date Aug 23, 2018
- RICOH COMPANY, LTD.
- Takeshi WATANABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING TH...
- Publication number 20180162667
- Publication date Jun 14, 2018
- RICOH COMPANY, LTD.
- Hiromichi MATSUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING TH...
- Publication number 20170341892
- Publication date Nov 30, 2017
- RICOH COMPANY, LTD.
- Jun YAMANE
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
IMAGE READING DEVICE, IMAGE FORMING APPARATUS INCORPORATING THE IMA...
- Publication number 20170149989
- Publication date May 25, 2017
- RICOH COMPANY, LTD.
- Tetsuo WATANABE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PLANETARY GEAR ASSEMBLY, DRIVE UNIT INCLUDING THE PLANETARY GEAR AS...
- Publication number 20160298730
- Publication date Oct 13, 2016
- RICOH COMPANY, LTD.
- Hiromichi Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING TH...
- Publication number 20160159598
- Publication date Jun 9, 2016
- RICOH COMPANY, LTD.
- Jun YAMANE
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20150261140
- Publication date Sep 17, 2015
- RICOH COMPANY, LTD.
- Katsuaki Miyawaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWER TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE...
- Publication number 20150053032
- Publication date Feb 26, 2015
- RICOH COMPANY, LTD.
- Kimiharu YAMAZAKI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
ROTATOR DRIVING SYSTEM AND IMAGE FORMING APPARATUS WITH SAME
- Publication number 20150047459
- Publication date Feb 19, 2015
- RICOH COMPANY, LTD.
- Katsuaki MIYAWAKI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
DRIVE TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20140356027
- Publication date Dec 4, 2014
- RICOH COMPANY, LTD.
- Kimiharu YAMAZAKI
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
DRIVING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE DRIVING DE...
- Publication number 20140073476
- Publication date Mar 13, 2014
- RICOH COMPANY, LTD.
- Yasuhiro MAEHATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ROTATING-BODY DRIVING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20140056618
- Publication date Feb 27, 2014
- RICOH COMPANY, LIMITED
- Hiromichi MATSUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PLANETARY GEAR ASSEMBLY, DRIVE UNIT INCLUDING THE PLANETARY GEAR AS...
- Publication number 20130260952
- Publication date Oct 3, 2013
- RICOH COMPANY, LTD.
- Hiromichi MATSUDA
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
ROTARY BODY DRIVER WITH PLANETARY GEAR TRANSMISSION AND IMAGE FORMI...
- Publication number 20130109529
- Publication date May 2, 2013
- Yasuhiro MAEHATA
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
DRIVE TRANSMISSION UNIT AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20130065725
- Publication date Mar 14, 2013
- Hiromichi MATSUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRIVE DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20130017924
- Publication date Jan 17, 2013
- RICOH COMPANY, LTD.
- Keisuke Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PLANETARY GEAR UNIT AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20120196720
- Publication date Aug 2, 2012
- RICOH COMPANY, LTD.
- Katsuaki Miyawaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
REDUCTION GEAR UNIT AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20120046142
- Publication date Feb 23, 2012
- Katsuaki MIYAWAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Rotary drive device and image forming apparatus including same
- Publication number 20110293328
- Publication date Dec 1, 2011
- RICOH COMPANY, LTD.
- Hiromichi Matsuda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Driving device and image forming apparatus
- Publication number 20110230305
- Publication date Sep 22, 2011
- RICOH COMPANY, LIMITED
- Katsuaki Miyawaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Decelerator, drive device including same, and image forming apparat...
- Publication number 20090322020
- Publication date Dec 31, 2009
- Ricoh Company, Ltd.
- Nobuo Iwata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20090074431
- Publication date Mar 19, 2009
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ABNORMALITY DETERMINING APPARATUS, IMAGE FORMING APPARATUS, COPYING...
- Publication number 20090052912
- Publication date Feb 26, 2009
- Hisashi Soji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20090003904
- Publication date Jan 1, 2009
- Kei YASUTOMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Driving device or image forming apparatus
- Publication number 20080261768
- Publication date Oct 23, 2008
- Ricoh Company, Limited
- Katsuaki Miyawaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Katsuaki Miyawaki

Person

Patents Grantslast 30 patents

Sheet conveying device and image forming apparatus incorporating th...

Sheet conveying device, image forming apparatus incorporating the s...

Sheet conveying device and image forming apparatus incorporating th...

Sheet conveying device and image forming apparatus incorporating th...

Sheet conveying device, image forming apparatus incorporating the s...

Sheet conveying device and image forming apparatus incorporating th...

Sheet conveying device and image forming apparatus incorporating th...

Sheet conveying device, image forming apparatus incorporating the s...

Planetary gear assembly, drive unit including the planetary gear as...

Image reading device, image forming apparatus and method using the...

Sheet conveying device and image forming apparatus incorporating th...

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

Reduction gear unit and image forming apparatus incorporating same

Driving device and image forming apparatus including the driving de...

Rotating-body driving device and image forming apparatus

Rotary body driver with planetary gear transmission and image formi...

Drive transmission unit and image forming apparatus including same

Drive device and image forming apparatus including same

Rotary drive device with a planetary gear mechanism to drive a rota...

Driving device and image forming apparatus

Planetary gear unit and image forming apparatus including same

Decelerator, drive device including same, and image forming apparat...

Image forming apparatus for controlling glossiness of an image

Abnormality determining apparatus, image forming apparatus includin...

Image forming apparatus capable of smooth transmission of recording...

Filling-rate lowering and rolling rate adjusting image forming appa...

Process, toner, process cartridge and apparatus for developing a to...

Abnormality determining apparatus, image forming apparatus, copying...

Device for driving rotary body with mechanism for dampening fluctua...

Corona charger having two charging regions

Patents Applicationslast 30 patents

SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING TH...

SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING TH...

SHEET CONVEYING DEVICE, IMAGE FORMING APPARATUS INCORPORATING THE S...

SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING TH...

SHEET CONVEYING DEVICE, IMAGE FORMING APPARATUS INCORPORATING THE S...

SHEET CONVEYING DEVICE, IMAGE FORMING APPARATUS INCORPORATING THE S...

SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING TH...

SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING TH...

IMAGE READING DEVICE, IMAGE FORMING APPARATUS INCORPORATING THE IMA...

PLANETARY GEAR ASSEMBLY, DRIVE UNIT INCLUDING THE PLANETARY GEAR AS...

SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING TH...

TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

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

ROTATOR DRIVING SYSTEM AND IMAGE FORMING APPARATUS WITH SAME

DRIVE TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

DRIVING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE DRIVING DE...

ROTATING-BODY DRIVING DEVICE AND IMAGE FORMING APPARATUS

PLANETARY GEAR ASSEMBLY, DRIVE UNIT INCLUDING THE PLANETARY GEAR AS...

ROTARY BODY DRIVER WITH PLANETARY GEAR TRANSMISSION AND IMAGE FORMI...

DRIVE TRANSMISSION UNIT AND IMAGE FORMING APPARATUS INCLUDING SAME

DRIVE DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

PLANETARY GEAR UNIT AND IMAGE FORMING APPARATUS INCLUDING SAME

REDUCTION GEAR UNIT AND IMAGE FORMING APPARATUS INCORPORATING SAME

Rotary drive device and image forming apparatus including same

Driving device and image forming apparatus

Decelerator, drive device including same, and image forming apparat...

IMAGE FORMING APPARATUS

ABNORMALITY DETERMINING APPARATUS, IMAGE FORMING APPARATUS, COPYING...

IMAGE FORMING APPARATUS

Driving device or image forming apparatus