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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image projection device
Patent number
11,647,170
Issue date
May 9, 2023
Ricoh Company, Ltd.
Tomoko Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming apparatus
Patent number
RE47726
Issue date
Nov 12, 2019
Ricoh Company, Ltd.
Shinji Aoki
Information
Patent Grant
Image forming apparatus and image forming method
Patent number
10,088,781
Issue date
Oct 2, 2018
Ricoh Company, Ltd.
Shinya Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
10,073,386
Issue date
Sep 11, 2018
Ricoh Company, Ltd.
Naomi Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Belt device, belt control device, and image forming apparatus inclu...
Patent number
10,031,463
Issue date
Jul 24, 2018
Ricoh Company, Ltd.
Yoshiki Hozumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Belt device and image forming apparatus including same
Patent number
9,708,143
Issue date
Jul 18, 2017
Ricoh Company, Ltd.
Yoshiki Hozumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus having an angle adjuster for a tiltable sup...
Patent number
9,599,934
Issue date
Mar 21, 2017
Ricoh Company, Ltd.
Yoshiki Hozumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image forming method
Patent number
9,563,153
Issue date
Feb 7, 2017
Ricoh Company, Ltd.
Shinya Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Belt tracking system, multi-roller assembly and image forming appar...
Patent number
9,561,912
Issue date
Feb 7, 2017
Ricoh Company, Ltd.
Yoshiki Hozumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Recording medium conveying device with a separation support roller...
Patent number
9,541,881
Issue date
Jan 10, 2017
Ricoh Company, Ltd.
Yoshiki Hozumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Conveyor system and image forming apparatus including same
Patent number
9,417,565
Issue date
Aug 16, 2016
Ricoh Company, Ltd.
Yoshiki Hozumi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Belt tracking system, multi-roller assembly and image forming appar...
Patent number
9,376,257
Issue date
Jun 28, 2016
Ricoh Company, Ltd.
Yoshiki Hozumi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Transfer device with transfer voltage unit and image forming appara...
Patent number
9,335,674
Issue date
May 10, 2016
Ricoh Company, Limited
Naomi Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and process cartridge therefor
Patent number
9,310,750
Issue date
Apr 12, 2016
Ricoh Company, Ltd.
Hisashi Kikuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image forming method
Patent number
9,310,722
Issue date
Apr 12, 2016
Ricoh Company, Limited
Shinya Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Belt assembly and image forming apparatus including same
Patent number
9,291,952
Issue date
Mar 22, 2016
Ricoh Company, Ltd.
Yoshiki Hozumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image forming method
Patent number
9,285,723
Issue date
Mar 15, 2016
Ricoh Company, Ltd.
Naomi Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Belt assembly and image forming apparatus including same
Patent number
9,250,575
Issue date
Feb 2, 2016
Ricoh Company, Ltd.
Yoshiki Hozumi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Belt tracking system, roller assembly, and image forming apparatus...
Patent number
9,238,552
Issue date
Jan 19, 2016
Ricoh Company, Ltd.
Yoshiki Hozumi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Conveyor system and image forming apparatus including same
Patent number
9,104,162
Issue date
Aug 11, 2015
Ricoh Company, Ltd.
Yoshiki Hozumi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Cleaner, and process cartridge and image forming apparatus using th...
Patent number
9,081,353
Issue date
Jul 14, 2015
Ricoh Company, Ltd.
Takaaki Tawada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Transfer device with transfer voltage unit and image forming appara...
Patent number
9,081,335
Issue date
Jul 14, 2015
Ricoh Company, Limited
Naomi Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Belt tracking system, roller assembly, and image forming apparatus...
Patent number
9,033,134
Issue date
May 19, 2015
Ricoh Company, Ltd.
Yoshiki Hozumi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Image forming apparatus
Patent number
9,020,382
Issue date
Apr 28, 2015
Ricoh Company, Ltd.
Shinji Aoki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
8,983,322
Issue date
Mar 17, 2015
Ricoh Company, Ltd.
Naomi Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Belt device and image forming apparatus incorporating same having a...
Patent number
8,948,647
Issue date
Feb 3, 2015
Ricoh Company, Ltd.
Kenji Sugiura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Transfer device with bias output device and image forming apparatus...
Patent number
8,929,760
Issue date
Jan 6, 2015
Ricoh Company, Ltd.
Shinya Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Belt device and image forming apparatus incorporating same having a...
Patent number
8,731,431
Issue date
May 20, 2014
Ricoh Company, Ltd.
Kenji Sugiura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image forming method
Patent number
8,712,267
Issue date
Apr 29, 2014
Ricoh Company, Ltd.
Naomi Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning device and image forming apparatus including same
Patent number
8,600,256
Issue date
Dec 3, 2013
Ricoh Company, Ltd.
Yuu Sakakibara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE PROJECTION DEVICE
Publication number
20210127097
Publication date
Apr 29, 2021
RICOH COMPANY, LTD.
Tomoko TAKAHASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20170299987
Publication date
Oct 19, 2017
Naomi SUGIMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
BELT DEVICE, BELT CONTROL DEVICE, AND IMAGE FORMING APPARATUS INCLU...
Publication number
20170242387
Publication date
Aug 24, 2017
Yoshiki HOZUMI
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20170146931
Publication date
May 25, 2017
Shinya TANAKA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
BELT TRACKING SYSTEM, MULTI-ROLLER ASSEMBLY AND IMAGE FORMING APPAR...
Publication number
20160251166
Publication date
Sep 1, 2016
Yoshiki HOZUMI
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20160161889
Publication date
Jun 9, 2016
Shinya TANAKA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
RECORDING MEDIUM CONVEYING DEVICE AND IMAGE FORMING APPARATUS INCOR...
Publication number
20160139553
Publication date
May 19, 2016
Yoshiki HOZUMI
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20160062279
Publication date
Mar 3, 2016
Yoshiki HOZUMI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
BELT DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20150314976
Publication date
Nov 5, 2015
Yoshiki HOZUMI
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
CONVEYOR SYSTEM AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20150301484
Publication date
Oct 22, 2015
Yoshiki HOZUMI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TRANSFER DEVICE WITH TRANSFER VOLTAGE UNIT AND IMAGE FORMING APPARA...
Publication number
20150286168
Publication date
Oct 8, 2015
Naomi SUGIMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
BELT ASSEMBLY AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20150227089
Publication date
Aug 13, 2015
Yoshiki HOZUMI
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
BELT ASSEMBLY AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20150125189
Publication date
May 7, 2015
Yoshiki HOZUMI
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
CLEANING BLADE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20150117896
Publication date
Apr 30, 2015
Naomi SUGIMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CONVEYOR SYSTEM AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20150117914
Publication date
Apr 30, 2015
Yoshiki HOZUMI
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
BELT TRACKING SYSTEM, ROLLER ASSEMBLY, AND IMAGE FORMING APPARATUS...
Publication number
20140209437
Publication date
Jul 31, 2014
Yoshiki HOZUMI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
CLEANER, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS USING TH...
Publication number
20140193172
Publication date
Jul 10, 2014
RICOH COMPANY, LTD.
Takaaki TAWADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
BELT TRACKING SYSTEM, ROLLER ASSEMBLY, AND IMAGE FORMING APPARATUS...
Publication number
20140183007
Publication date
Jul 3, 2014
Yoshiki Hozumi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20140169817
Publication date
Jun 19, 2014
Naomi SUGIMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
BELT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME HAVING A...
Publication number
20140147181
Publication date
May 29, 2014
Kenji SUGIURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE THEREFOR
Publication number
20140119769
Publication date
May 1, 2014
Hisashi KIKUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
BELT TRACKING SYSTEM, MULTI-ROLLER ASSEMBLY AND IMAGE FORMING APPAR...
Publication number
20140083821
Publication date
Mar 27, 2014
Yoshiki Hozumi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20140010562
Publication date
Jan 9, 2014
Shinya Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20130148993
Publication date
Jun 13, 2013
Shinji Aoki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS USING THE SAME
Publication number
20130142531
Publication date
Jun 6, 2013
Naomi SUGIMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20130121714
Publication date
May 16, 2013
Shinya Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20120328314
Publication date
Dec 27, 2012
Naomi SUGIMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20120237234
Publication date
Sep 20, 2012
Naomi SUGIMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CLEANING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20120008973
Publication date
Jan 12, 2012
Yuu SAKAKIBARA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CLEANING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20110229187
Publication date
Sep 22, 2011
Yoshiki Hozumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY