Yoshiki Yamaguchi

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fixing device and image forming apparatus incorporating same with a...
- Patent number 11,940,749
- Issue date Mar 26, 2024
- Ricoh Company, Ltd.
- Yoshiki Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 11,852,994
- Issue date Dec 26, 2023
- Ricoh Company, Ltd.
- Yoshiki Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information 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
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
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
Nip forming member, fixing device, and image forming apparatus
- Patent number 11,054,774
- Issue date Jul 6, 2021
- Ricoh Company, Ltd.
- Yoshiharu Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heating device, fixing device, and image forming apparatus
- Patent number 10,962,908
- Issue date Mar 30, 2021
- Ricoh Company, Ltd.
- Yoshiki Yamaguchi
- 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
Temperature detector, heating device, fixing device, and image form...
- Patent number 10,845,740
- Issue date Nov 24, 2020
- Ricoh Company, Ltd.
- Yuusuke Furuichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 10,782,637
- Issue date Sep 22, 2020
- 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
Paper sheet authentication apparatus
- Patent number 10,176,659
- Issue date Jan 8, 2019
- Glory Ltd.
- Yoshiki Yamaguchi
- G07 - CHECKING-DEVICES
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 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 9,811,043
- Issue date Nov 7, 2017
- Ricoh Company, Ltd.
- Ryuuichi Mimbu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including the same
- Patent number 9,811,029
- Issue date Nov 7, 2017
- Ricoh Company, Ltd.
- Haruyuki Honda
- 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
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
- Patent number 9,696,668
- Issue date Jul 4, 2017
- Ricoh Company, Ltd.
- Yoshiki Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heater for heating a fixing rotator of a fixing device and image fo...
- Patent number 9,599,941
- Issue date Mar 21, 2017
- Ricoh Company, Ltd.
- Yoshiki Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing exit guide plate, fixing device, and image forming apparatus
- Patent number 9,581,945
- Issue date Feb 28, 2017
- Ricoh Company, Ltd.
- Haruyuki Honda
- 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
Image forming apparatus and image forming method
- Patent number 9,529,308
- Issue date Dec 27, 2016
- Ricoh Company, Ltd.
- Yutaka Ikebuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Water-containing solid fuel drying apparatus and drying method
- Patent number 9,518,736
- Issue date Dec 13, 2016
- Mitsubishi Heavy Industries, Ltd.
- Katsuhiko Yokohama
- F26 - DRYING
Information Patent Grant
Fixing device, image forming apparatus, and fixing method
- Patent number 9,501,006
- Issue date Nov 22, 2016
- Ricoh Company, Ltd.
- Toshihiko Shimokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including same
- Patent number 9,501,011
- Issue date Nov 22, 2016
- Ricoh Company, Ltd.
- Ippei Fujimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus with a rotatable light sh...
- Patent number 9,494,901
- Issue date Nov 15, 2016
- Ricoh Company, Ltd.
- Kazuya Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 9,405,270
- Issue date Aug 2, 2016
- Ricoh Company, Ltd.
- Tadashi Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, image forming apparatus, and fixing method
- Patent number 9,405,239
- Issue date Aug 2, 2016
- Ricoh Company, Ltd.
- Yutaka Ikebuchi
- 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 20230229104
- Publication date Jul 20, 2023
- Yoshiki YAMAGUCHI
- 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
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20220373945
- Publication date Nov 24, 2022
- Yoshiki Yamaguchi
- 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
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
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20200387094
- Publication date Dec 10, 2020
- Yoshiki YAMAGUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20200292974
- Publication date Sep 17, 2020
- Ippei FUJIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
NIP FORMING MEMBER, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20200285182
- Publication date Sep 10, 2020
- Yoshiharu Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TEMPERATURE DETECTOR, HEATING DEVICE, FIXING DEVICE, AND IMAGE FORM...
- Publication number 20200183307
- Publication date Jun 11, 2020
- Yuusuke FURUICHI
- 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 INCLUDING SAME
- Publication number 20170277091
- Publication date Sep 28, 2017
- Takeshi Uchitani
- 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
- Publication number 20160274513
- Publication date Sep 22, 2016
- RICOH COMPANY, LTD.
- Yoshiki YAMAGUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING EXIT GUIDE PLATE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20160274508
- Publication date Sep 22, 2016
- RICOH COMPANY, LTD.
- Haruyuki HONDA
- 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
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160274523
- Publication date Sep 22, 2016
- RICOH COMPANY, LTD.
- Ryuuichi MIMBU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME
- Publication number 20160274509
- Publication date Sep 22, 2016
- RICOH COMPANY, LTD.
- Haruyuki HONDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PAPER SHEET AUTHENTICATION APPARATUS
- Publication number 20160225215
- Publication date Aug 4, 2016
- Glory Ltd.
- Yoshiki YAMAGUCHI
- G07 - CHECKING-DEVICES
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160154350
- Publication date Jun 2, 2016
- RICOH COMPANY, LTD.
- Kazuya Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20160124359
- Publication date May 5, 2016
- RICOH COMPANY, LTD.
- Yutaka Ikebuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160116869
- Publication date Apr 28, 2016
- Kazuya SAITO
- 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
FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD
- Publication number 20160033910
- Publication date Feb 4, 2016
- RICOH COMPANY, LTD.
- Toshihiko Shimokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yoshiki Yamaguchi

Person

Patents Grantslast 30 patents

Fixing device and image forming apparatus incorporating same with a...

Fixing device and image forming apparatus incorporating same

Nip formation pad, heating device, fixing device, and image forming...

Nip former, fixing device, and image forming apparatus

Fixing device and image forming apparatus

Nip forming member, fixing device, and image forming apparatus

Heating device, fixing device, and image forming apparatus

Fixing device and image forming apparatus including nip former of s...

Temperature detector, heating device, fixing device, and image form...

Fixing device and image forming apparatus incorporating same

Fixing device and image forming apparatus

Fixing device and image forming apparatus

Paper sheet authentication apparatus

Fixing device and image forming apparatus

Fixing device and image forming apparatus including same

Image forming apparatus

Fixing device and image forming apparatus including the same

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

Fixing device and image forming apparatus including same

Fixing device and image forming apparatus

Heater for heating a fixing rotator of a fixing device and image fo...

Fixing exit guide plate, fixing device, and image forming apparatus

Fixing device and image forming apparatus

Image forming apparatus and image forming method

Water-containing solid fuel drying apparatus and drying method

Fixing device, image forming apparatus, and fixing method

Fixing device and image forming apparatus including same

Fixing device and image forming apparatus with a rotatable light sh...

Fixing device and image forming apparatus incorporating same

Fixing device, image forming apparatus, and fixing method

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

NIP FORMER, FIXING DEVICE, AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

NIP FORMATION PAD, HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING...

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

NIP FORMING MEMBER, FIXING DEVICE, AND IMAGE FORMING APPARATUS

TEMPERATURE DETECTOR, HEATING DEVICE, FIXING DEVICE, AND IMAGE FORM...

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING EXIT GUIDE PLATE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

PAPER SHEET AUTHENTICATION APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD