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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Sheet conveying device, fixing device, and image forming apparatus
Patent number
12,072,666
Issue date
Aug 27, 2024
Ricoh Company, Ltd.
Takahiro Imada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Heating device, fixing device, and image forming apparatus
Patent number
11,971,674
Issue date
Apr 30, 2024
Ricoh Company, Ltd.
Shigeo Nanno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Contact-separation device, fixing device, and image forming apparatus
Patent number
11,841,652
Issue date
Dec 12, 2023
Ricoh Company, Ltd.
Seiji Saitoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
11,693,362
Issue date
Jul 4, 2023
Ricoh Company, Ltd.
Hiromasa Takagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Heating device, fixing device, and image forming apparatus
Patent number
11,687,020
Issue date
Jun 27, 2023
Ricoh Company, Ltd.
Takahiro Imada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and cleaning method
Patent number
11,500,314
Issue date
Nov 15, 2022
Ricoh Company, Ltd.
Keitaro Shoji
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device, heating device, and image forming device with a subs...
Patent number
11,256,200
Issue date
Feb 22, 2022
Ricoh Company, Ltd.
Takahiro Imada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device capable of enhancing durability of endless belt and i...
Patent number
10,935,911
Issue date
Mar 2, 2021
Ricoh Company, Ltd.
Teppei Kawata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device including a cleaner to clean a surface of a cleaning...
Patent number
10,852,671
Issue date
Dec 1, 2020
Ricoh Company, Ltd.
Takahiro Imada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus incorporating pressing device
Patent number
10,558,154
Issue date
Feb 11, 2020
Ricoh Company, Ltd.
Hiroshi Kajiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus incorporating same
Patent number
10,527,981
Issue date
Jan 7, 2020
Ricoh Company, Ltd.
Yutaka Naitoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus incorporating same
Patent number
10,345,747
Issue date
Jul 9, 2019
Ricoh Company, Ltd.
Takuya Seshita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
10,001,735
Issue date
Jun 19, 2018
Ricoh Company, Limited
Takahiro Imada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus for preventing separation...
Patent number
9,989,904
Issue date
Jun 5, 2018
Ricoh Company, Ltd.
Yuji Arai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus including same
Patent number
9,983,526
Issue date
May 29, 2018
Ricoh Company, Ltd.
Takeshi Uchitani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
9,971,289
Issue date
May 15, 2018
Ricoh Company, Ltd.
Takamasa Hase
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,927,748
Issue date
Mar 27, 2018
Ricoh Company, Ltd.
Hiroshi Yoshinaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device capable of enhancing durability of endless belt and i...
Patent number
9,811,031
Issue date
Nov 7, 2017
Ricoh Company, Ltd.
Teppei Kawata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus including the fixing device
Patent number
9,727,008
Issue date
Aug 8, 2017
Ricoh Company, Ltd.
Teppei Kawata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus including same
Patent number
9,715,203
Issue date
Jul 25, 2017
Ricoh Company, Ltd.
Takeshi Uchitani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus incorporating fixing device
Patent number
9,715,197
Issue date
Jul 25, 2017
Ricoh Company, Ltd.
Takuya Seshita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus including a fixing device that includes a r...
Patent number
9,690,243
Issue date
Jun 27, 2017
Ricoh Company, Ltd.
Takamasa Hase
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus including same
Patent number
9,575,444
Issue date
Feb 21, 2017
Ricoh Company, Ltd.
Takuya Seshita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,557,692
Issue date
Jan 31, 2017
Ricoh Company, Limited
Takahiro Imada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,535,380
Issue date
Jan 3, 2017
Ricoh Company, Ltd.
Toshihiko Shimokawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus comprising a multilayered...
Patent number
9,519,251
Issue date
Dec 13, 2016
Ricoh Company, Ltd.
Takahiro Imada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device with a temperature detector adjacent an easily deform...
Patent number
9,507,306
Issue date
Nov 29, 2016
Ricoh Company, Ltd.
Takeshi Uchitani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device with separation plate and image forming apparatus the...
Patent number
9,494,896
Issue date
Nov 15, 2016
Ricoh Company, Ltd.
Kensuke Yamaji
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus including same
Patent number
9,454,114
Issue date
Sep 27, 2016
Ricoh Company, Ltd.
Takamasa Hase
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device capable of minimizing damage of endless rotary body a...
Patent number
9,405,250
Issue date
Aug 2, 2016
Ricoh Company, Ltd.
Tadashi Ogawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
SENSOR HOLDER, UNIT, AND IMAGE FORMING APPARATUS
Publication number
20240255892
Publication date
Aug 1, 2024
Takahiro IMADA
G01 - MEASURING TESTING
Information
Patent Application
REMOVABLE UNIT AND IMAGE FORMING APPARATUS
Publication number
20240168421
Publication date
May 23, 2024
Takahiro IMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE SAME
Publication number
20240160132
Publication date
May 16, 2024
Takuya SESHITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SHEET CONVEYING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
Publication number
20230359142
Publication date
Nov 9, 2023
Takahiro IMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20230008258
Publication date
Jan 12, 2023
Hiromasa TAKAGI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CONTACT-SEPARATION DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
Publication number
20230004107
Publication date
Jan 5, 2023
RICOH COMPANY, LTD.
Seiji SAITOH
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
Publication number
20220291615
Publication date
Sep 15, 2022
Shigeo NANNO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
Publication number
20220155712
Publication date
May 19, 2022
RICOH COMPANY, LTD.
Takahiro IMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND CLEANING METHOD
Publication number
20220043376
Publication date
Feb 10, 2022
Ricoh Company, Ltd.
Keitaro SHOJI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE, HEATING DEVICE, AND IMAGE FORMING DEVICE
Publication number
20210223724
Publication date
Jul 22, 2021
Takahiro IMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20200249603
Publication date
Aug 6, 2020
Ricoh Company, Ltd.
Yasunori Ishigaya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20200159148
Publication date
May 21, 2020
RICOH COMPANY, LTD.
Takahiro IMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20200159149
Publication date
May 21, 2020
RICOH COMPANY, LTD.
Takumi WAIDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS INCORPORATING PRESSING DEVICE
Publication number
20200033764
Publication date
Jan 30, 2020
RICOH COMPANY, LTD.
Hiroshi Kajiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20190377286
Publication date
Dec 12, 2019
Yutaka Naitoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20180329342
Publication date
Nov 15, 2018
RICOH COMPANY, LTD.
Takuya Seshita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE CAPABLE OF ENHANCING DURABILITY OF ENDLESS BELT AND I...
Publication number
20180046121
Publication date
Feb 15, 2018
Teppei KAWATA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE FIXING DEVICE
Publication number
20170293245
Publication date
Oct 12, 2017
Teppei KAWATA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20170277091
Publication date
Sep 28, 2017
Takeshi Uchitani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20170255150
Publication date
Sep 7, 2017
Takamasa HASE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20170131665
Publication date
May 11, 2017
Yuji ARAI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20170102652
Publication date
Apr 13, 2017
RICOH COMPANY, LTD.
Takahiro IMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING FIXING DEVICE
Publication number
20170010569
Publication date
Jan 12, 2017
RICOH COMPANY, LTD.
Takuya Seshita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20160274515
Publication date
Sep 22, 2016
RICOH COMPANY, LTD.
Takahiro Imada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20160098003
Publication date
Apr 7, 2016
Takeshi Uchitani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20160054691
Publication date
Feb 25, 2016
Takamasa HASE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20160004197
Publication date
Jan 7, 2016
RICOH COMPANY, LIMITED
Takahiro IMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE CAPABLE OF ENHANCING DURABILITY OF ENDLESS BELT AND I...
Publication number
20150378290
Publication date
Dec 31, 2015
Teppei KAWATA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20150355585
Publication date
Dec 10, 2015
RICOH COMPANY, LTD.
Akira SUZUKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20150268597
Publication date
Sep 24, 2015
Yuji ARAI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY