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Kanagawa, JP
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Patents Grants
last 30 patents
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Patent Grant
Nip formation pad, heating device, fixing device, and image forming...
Patent number
11,803,143
Issue date
Oct 31, 2023
Ricoh Company, Ltd.
Yoshiki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Heating device, liquid applying apparatus, image forming apparatus,...
Patent number
11,780,244
Issue date
Oct 10, 2023
Ricoh Company, Ltd.
Takamasa Hase
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Conveying device, liquid applying apparatus, image forming apparatu...
Patent number
11,691,835
Issue date
Jul 4, 2023
Ricoh Company, Ltd.
Takashi Seto
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Nip former, fixing device, and image forming apparatus
Patent number
11,681,250
Issue date
Jun 20, 2023
Ricoh Company, Ltd.
Toshiyuki Kabata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Heating device, liquid applying apparatus, image forming apparatus,...
Patent number
11,402,781
Issue date
Aug 2, 2022
Ricoh Company, Ltd.
Takashi Seto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
11,099,509
Issue date
Aug 24, 2021
Ricoh Company, Ltd.
Ippei Fujimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus including nip former of s...
Patent number
10,942,475
Issue date
Mar 9, 2021
Ricoh Company, Ltd.
Ippei Fujimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
10,691,049
Issue date
Jun 23, 2020
Ricoh Company, Ltd.
Ippei Fujimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
10,571,837
Issue date
Feb 25, 2020
Ricoh Company, Ltd.
Yoshiki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image forming method
Patent number
10,331,062
Issue date
Jun 25, 2019
Ricoh Company, Ltd.
Hiroshi Yoshinaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus having a thermal conducti...
Patent number
10,317,823
Issue date
Jun 11, 2019
Ricoh Company, Ltd.
Ippei Fujimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device including a pressure rotator and a thermal conduction...
Patent number
10,295,939
Issue date
May 21, 2019
Ricoh Company, Ltd.
Hiroshi Yoshinaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
10,295,937
Issue date
May 21, 2019
Ricoh Company, Ltd.
Kazunari Sawada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
10,289,037
Issue date
May 14, 2019
Ricoh Company, Ltd.
Takayuki Seki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus having nip pad including...
Patent number
10,241,448
Issue date
Mar 26, 2019
Ricoh Company, Ltd.
Kazunari Sawada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device having a lateral end heater and image forming apparat...
Patent number
10,222,732
Issue date
Mar 5, 2019
Ricoh Company, Ltd.
Takayuki Seki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
10,082,751
Issue date
Sep 25, 2018
Ricoh Company, Ltd.
Takashi Seto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus incorporating same
Patent number
10,042,297
Issue date
Aug 7, 2018
Ricoh Company, Ltd.
Kazunari Sawada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device, image forming apparatus, and image forming method
Patent number
10,042,295
Issue date
Aug 7, 2018
Ricoh Company, Ltd.
Hiroshi Yoshinaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device including a pressure pad with at least one mouth, and...
Patent number
10,025,247
Issue date
Jul 17, 2018
Ricoh Company, Ltd.
Kazunari Sawada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,989,905
Issue date
Jun 5, 2018
Ricoh Company, Ltd.
Takayuki Seki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,964,905
Issue date
May 8, 2018
Ricoh Company, Ltd.
Takayuki Seki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,933,730
Issue date
Apr 3, 2018
Ricoh Company, Ltd.
Hiroshi Yoshinaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,874,839
Issue date
Jan 23, 2018
Ricoh Company, Ltd.
Kazunari Sawada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,851,663
Issue date
Dec 26, 2017
Ricoh Company, Ltd.
Shohta Kobashigawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,851,667
Issue date
Dec 26, 2017
Ricoh Company, Ltd.
Takayuki Seki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device including a supplementary thermal conductor and image...
Patent number
9,846,397
Issue date
Dec 19, 2017
Ricoh Company, Ltd.
Kazunari Sawada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,829,840
Issue date
Nov 28, 2017
Ricoh Company, Ltd.
Takashi Seto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,778,606
Issue date
Oct 3, 2017
Ricoh Company, Ltd.
Takayuki Seki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus including a rotation load...
Patent number
9,715,201
Issue date
Jul 25, 2017
Ricoh Company, Ltd.
Takamasa Hase
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20240385554
Publication date
Nov 21, 2024
Ryohei MATSUDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20240361712
Publication date
Oct 31, 2024
Hiroshi YOSHINAGA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
Publication number
20240361715
Publication date
Oct 31, 2024
Yoshiki YAMAGUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE SAME
Publication number
20240176265
Publication date
May 30, 2024
Ryohei MATSUDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20240176268
Publication date
May 30, 2024
Hiroshi YOSHINAGA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
NIP FORMER, FIXING DEVICE, AND IMAGE FORMING APPARATUS
Publication number
20230093465
Publication date
Mar 23, 2023
Toshiyuki KABATA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
NIP FORMATION PAD, HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING...
Publication number
20220291613
Publication date
Sep 15, 2022
Yoshiki YAMAGUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
HEATING DEVICE, LIQUID APPLYING APPARATUS, IMAGE FORMING APPARATUS,...
Publication number
20220026837
Publication date
Jan 27, 2022
RICOH COMPANY, LTD.
Takamasa HASE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CONVEYING DEVICE, LIQUID APPLYING APPARATUS, IMAGE FORMING APPARATU...
Publication number
20210214178
Publication date
Jul 15, 2021
Takashi SETO
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
HEATING DEVICE, LIQUID APPLYING APPARATUS, IMAGE FORMING APPARATUS,...
Publication number
20210197585
Publication date
Jul 1, 2021
Ricoh Company, Ltd.
Takamasa HASE
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
HEATING DEVICE, LIQUID APPLYING APPARATUS, IMAGE FORMING APPARATUS,...
Publication number
20210200128
Publication date
Jul 1, 2021
Takashi SETO
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20210191301
Publication date
Jun 24, 2021
Ippei FUJIMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20200409292
Publication date
Dec 31, 2020
RICOH COMPANY, LTD.
Ippei FUJIMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20200033777
Publication date
Jan 30, 2020
RICOH COMPANY, LTD.
Ippei FUJIMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20190286025
Publication date
Sep 19, 2019
RICOH COMPANY, LTD.
Yoshiki YAMAGUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20180284669
Publication date
Oct 4, 2018
Ippei Fujimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20180173138
Publication date
Jun 21, 2018
Takayuki Seki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20180157198
Publication date
Jun 7, 2018
Takashi SETO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20180120741
Publication date
May 3, 2018
Hiroshi YOSHINAGA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20180059587
Publication date
Mar 1, 2018
Kazunari Sawada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20180017910
Publication date
Jan 18, 2018
Kazunari SAWADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20180011432
Publication date
Jan 11, 2018
HIROSHI YOSHINAGA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20170364000
Publication date
Dec 21, 2017
RICOH COMPANY, LTD.
Takayuki Seki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20170261900
Publication date
Sep 14, 2017
Kazunari Sawada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20170255147
Publication date
Sep 7, 2017
Takayuki SEKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20170185021
Publication date
Jun 29, 2017
Takayuki SEKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20170185009
Publication date
Jun 29, 2017
Hiroshi YOSHINAGA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD
Publication number
20170185015
Publication date
Jun 29, 2017
Hiroshi YOSHINAGA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20170185020
Publication date
Jun 29, 2017
Takayuki SEKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20170176907
Publication date
Jun 22, 2017
Kazunari SAWADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY