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Patents Grants
last 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
Rotating member control device, conveying device, and image forming...
Patent number
10,564,582
Issue date
Feb 18, 2020
Ricoh Company, Ltd.
Takafumi Seki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Rotator control device, conveyance device, image forming apparatus,...
Patent number
10,394,168
Issue date
Aug 27, 2019
Ricoh Company, Ltd.
Takafumi Seki
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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
Transmission device, reception device, transmission/reception syste...
Patent number
10,074,340
Issue date
Sep 11, 2018
Thine Electronics, Inc.
Hiromichi Matsuda
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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
Transfer device and image forming apparatus
Patent number
9,658,578
Issue date
May 23, 2017
Ricoh Company, Ltd.
Hiromichi Matsuda
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
Image transfer apparatus, image fixing apparatus, and registration...
Patent number
8,538,310
Issue date
Sep 17, 2013
Ricoh Company, Ltd.
Hiromichi Matsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Drive device and image forming apparatus including same
Patent number
8,503,910
Issue date
Aug 6, 2013
Ricoh Company, Ltd.
Hiromichi Matsuda
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Image forming apparatus for detecting speed fluctuation
Patent number
8,428,476
Issue date
Apr 23, 2013
Ricoh Company, Ltd.
Hiromichi Matsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sheet conveyance device and image forming apparatus employing same
Patent number
8,403,317
Issue date
Mar 26, 2013
Ricoh Company, Ltd.
Hiromichi Matsuda
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Image forming apparatus and control device for image forming appara...
Patent number
8,385,760
Issue date
Feb 26, 2013
Ricoh Company, Limited
Hiromichi Matsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR FORMING COMPOSITE MATERIAL AND JIG FOR FORMING COMPOSITE...
Publication number
20230249418
Publication date
Aug 10, 2023
Mitsubishi Heavy Industries, Ltd.
Akihito SUZUKI
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
CONTAINER BODY, LASER PROCESSING APPARATUS, AND LASER PROCESSING ME...
Publication number
20230150288
Publication date
May 18, 2023
Tetsuya SONODA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
ROTATOR CONTROL DEVICE, CONVEYANCE DEVICE, IMAGE FORMING APPARATUS,...
Publication number
20180265314
Publication date
Sep 20, 2018
Takafumi SEKI
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
ROTATING MEMBER CONTROL DEVICE, CONVEYING DEVICE, AND IMAGE FORMING...
Publication number
20170364011
Publication date
Dec 21, 2017
RICOH COMPANY, LTD.
Takafumi SEKI
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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
TRANSMISSION DEVICE, RECEPTION DEVICE, TRANSMISSION/RECEPTION SYSTE...
Publication number
20160247473
Publication date
Aug 25, 2016
THine Electronics, Inc.
Hiromichi MATSUDA
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
TRANSMISSION DEVICE, RECEPTION DEVICE, TRANSMISSION/RECEPTION SYSTE...
Publication number
20160232874
Publication date
Aug 11, 2016
THine Electronics, Inc.
Hiromichi Matsuda
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS
Publication number
20160216649
Publication date
Jul 28, 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
SHEET CONVEYANCE DEVICE AND IMAGE FORMING APPARATUS EMPLOYING SAME
Publication number
20120169006
Publication date
Jul 5, 2012
Hiromichi Matsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY