Ryohei MATSUDA

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 12,164,249
- Issue date Dec 10, 2024
- Ricoh Company, Ltd.
- Ryohei Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device with controlled heating and image forming apparatus
- Patent number 11,662,678
- Issue date May 30, 2023
- Ricoh Company, Ltd.
- Ryohei Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 11,287,767
- Issue date Mar 29, 2022
- Ricoh Company, Ltd.
- Ryohei Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 11,054,775
- Issue date Jul 6, 2021
- Ricoh Company, Ltd.
- Ryohei Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, and image forming apparatus
- Patent number 10,895,834
- Issue date Jan 19, 2021
- Ricoh Company, Ltd.
- Ryohei Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing method, image forming method, and image forming apparatus
- Patent number 10,571,834
- Issue date Feb 25, 2020
- Ricoh Company, Ltd.
- Ryohei Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device with nip former longer than opposed rotator
- Patent number 10,488,798
- Issue date Nov 26, 2019
- Ricoh Company, Ltd.
- Hiroshi Yoshinaga
- 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 with nip formation pad having an abutment region and...
- Patent number 10,281,850
- Issue date May 7, 2019
- Ricoh Company, Ltd.
- Ryohei Matsuda
- 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, image forming apparatus, and fixing device control m...
- Patent number 10,197,957
- Issue date Feb 5, 2019
- Ricoh Company, Ltd.
- Ippei Fujimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 10,168,653
- Issue date Jan 1, 2019
- Ricoh Company, Ltd.
- Ryohei Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 10,152,006
- Issue date Dec 11, 2018
- Ricoh Company, Ltd.
- Yasunori Ishigaya
- 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
- Patent number 10,067,449
- Issue date Sep 4, 2018
- Ricoh Company, Ltd.
- Ryohei Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 10,061,235
- Issue date Aug 28, 2018
- Ricoh Company, Ltd.
- Keitaro Shoji
- 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 9,804,546
- Issue date Oct 31, 2017
- Ricoh Company, Ltd.
- Kazuya Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device including outlet guide member and image forming appar...
- Patent number 9,753,417
- Issue date Sep 5, 2017
- Ricoh Company, Ltd.
- Yoshiki Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 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
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20230280682
- Publication date Sep 7, 2023
- RICOH COMPANY, LTD.
- Ryohei MATSUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20220171315
- Publication date Jun 2, 2022
- Ryohei MATSUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20210041818
- Publication date Feb 11, 2021
- Ryohei Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20200401068
- Publication date Dec 24, 2020
- Ryohei MATSUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20200285180
- Publication date Sep 10, 2020
- Ryohei MATSUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING METHOD, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS
- Publication number 20190243291
- Publication date Aug 8, 2019
- Ryohei MATSUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20180356754
- Publication date Dec 13, 2018
- Hiroshi YOSHINAGA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING DEVICE CONTROL M...
- Publication number 20180348680
- Publication date Dec 6, 2018
- Ippei FUJIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING FIXING DEVICE
- Publication number 20180335733
- Publication date Nov 22, 2018
- Ryohei MATSUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20180284663
- Publication date Oct 4, 2018
- Ryohei MATSUDA
- 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
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 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 20170205742
- Publication date Jul 20, 2017
- Keitaro SHOJI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170017182
- Publication date Jan 19, 2017
- Kazuya Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170010571
- Publication date Jan 12, 2017
- Ryohei MATSUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160378033
- Publication date Dec 29, 2016
- Yasunori ISHIGAYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160274516
- Publication date Sep 22, 2016
- RICOH COMPANY, LTD.
- Yoshiki YAMAGUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Ryohei MATSUDA

Person

Patents Grantslast 30 patents

Fixing device and image forming apparatus incorporating same

Fixing device with controlled heating and image forming apparatus

Fixing device and image forming apparatus incorporating same

Fixing device and image forming apparatus incorporating same

Fixing device, and image forming apparatus

Fixing method, image forming method, and image forming apparatus

Fixing device with nip former longer than opposed rotator

Fixing device including a pressure rotator and a thermal conduction...

Fixing device with nip formation pad having an abutment region and...

Fixing device having a lateral end heater and image forming apparat...

Fixing device, image forming apparatus, and fixing device control m...

Fixing device and image forming apparatus incorporating same

Fixing device and image forming apparatus

Fixing device and image forming apparatus

Fixing device and image forming apparatus

Fixing device and image forming apparatus

Fixing device including a pressure pad with at least one mouth, and...

Fixing device and image forming apparatus

Fixing device including outlet guide member and image forming appar...

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE, AND IMAGE FORMING APPARATUS

FIXING METHOD, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING DEVICE CONTROL M...

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING FIXING DEVICE

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS