Yasunori Ishigaya

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Heating device, fixing device, and image forming apparatus with a s...
- Patent number 12,174,565
- Issue date Dec 24, 2024
- Ricoh Company, Ltd.
- Yuma Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Conveyance device and image forming apparatus
- Patent number 12,085,877
- Issue date Sep 10, 2024
- Ricoh Company, Ltd.
- Keitaro Shoji
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Heating device, fixing device, and image forming apparatus
- Patent number 12,025,935
- Issue date Jul 2, 2024
- Ricoh Company, Ltd.
- Yasunori Ishigaya
- 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
Heating device, fixing device, and image forming apparatus
- Patent number 11,934,126
- Issue date Mar 19, 2024
- Ricoh Company, Ltd.
- Yasunori Ishigaya
- 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 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
Fixing device and image forming apparatus
- Patent number 10,678,170
- Issue date Jun 9, 2020
- Ricoh Company, Ltd.
- Yasunori Ishigaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 10,156,818
- Issue date Dec 18, 2018
- Ricoh Company, Ltd.
- Yasunori Ishigaya
- 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 10,067,449
- 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
Image forming apparatus incorporating fixing device
- Patent number 10,012,932
- Issue date Jul 3, 2018
- Ricoh Company, Ltd.
- Yasunori Ishigaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,904,220
- Issue date Feb 27, 2018
- Ricoh Company, Ltd.
- Kazuya Saito
- 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
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 device and image forming apparatus
- Patent number 9,575,447
- Issue date Feb 21, 2017
- Ricoh Company, Ltd.
- Yutaka Ikebuchi
- 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
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 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 temperature control method, fixing device, and image...
- Patent number 9,448,516
- Issue date Sep 20, 2016
- Ricoh Company, Ltd.
- Yasunori Ishigaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming device
- Patent number 9,405,242
- Issue date Aug 2, 2016
- Ricoh Company, Ltd.
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, fixing device control method, and image forming appa...
- Patent number 9,354,567
- Issue date May 31, 2016
- Ricoh Company, Ltd.
- Takumi Waida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus which adjusts a time interval between succe...
- Patent number 9,341,999
- Issue date May 17, 2016
- Ricoh Company, Ltd.
- Takuya Seshita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,335,683
- Issue date May 10, 2016
- Ricoh Company, Ltd.
- Yasunori Ishigaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,316,964
- Issue date Apr 19, 2016
- Ricoh Company, Ltd.
- Yoshiki Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,285,737
- Issue date Mar 15, 2016
- Ricoh Company, Ltd.
- Yasunori Ishigaya
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20240248427
- Publication date Jul 25, 2024
- RICOH COMPANY, LTD.
- Yasunori ISHIGAYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20230384719
- Publication date Nov 30, 2023
- RICOH COMPANY, LTD.
- Yuma MATSUMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20230288852
- Publication date Sep 14, 2023
- RICOH COMPANY, LTD.
- Yasunori ISHIGAYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET CONVEYOR AND IMAGE FORMING APPARATUS INCORPORATING THE SHEET...
- Publication number 20230288850
- Publication date Sep 14, 2023
- RICOH COMPANY, LTD.
- Keitaro SHOJI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
CONVEYANCE DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20230266699
- Publication date Aug 24, 2023
- RICOH COMPANY LTD.
- Keitaro Shoji
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20230205118
- Publication date Jun 29, 2023
- Yasunori ISHIGAYA
- 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
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20190094764
- Publication date Mar 28, 2019
- Yasunori ISHIGAYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
NIP-FORMING MEMBER, FIXING UNIT, AND IMAGE FORMING APPARATUS
- Publication number 20170255149
- Publication date Sep 7, 2017
- Hiromasa TAKAGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170248879
- Publication date Aug 31, 2017
- Yasunori ISHIGAYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170248885
- Publication date Aug 31, 2017
- Kazuya SAITO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS INCORPORATING FIXING DEVICE
- Publication number 20170212457
- Publication date Jul 27, 2017
- Yasunori ISHIGAYA
- 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
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160223964
- Publication date Aug 4, 2016
- Yutaka IKEBUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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, IMAGE FORMING APPARATUS, AND FIXING METHOD
- Publication number 20160033910
- Publication date Feb 4, 2016
- RICOH COMPANY, LTD.
- Toshihiko Shimokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150261149
- Publication date Sep 17, 2015
- Takuya SESHITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150261148
- Publication date Sep 17, 2015
- RICOH COMPANY, LTD.
- Yoshiki Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yasunori Ishigaya

Person

Patents Grantslast 30 patents

Heating device, fixing device, and image forming apparatus with a s...

Conveyance device and image forming apparatus

Heating device, fixing device, and image forming apparatus

Heating device, fixing device, and image forming apparatus

Heating device, fixing device, and image forming apparatus

Heating device, fixing device, and image forming apparatus

Image forming apparatus and cleaning method

Fixing device, heating device, and image forming device with a subs...

Fixing device including a cleaner to clean a surface of a cleaning...

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

Image forming apparatus incorporating fixing device

Fixing device and image forming apparatus

Fixing device and image forming apparatus

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

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

Fixing device and image forming apparatus

Image forming apparatus and image forming method

Fixing device, image forming apparatus, and fixing method

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

Fixing device temperature control method, fixing device, and image...

Fixing device and image forming device

Fixing device, fixing device control method, and image forming appa...

Image forming apparatus which adjusts a time interval between succe...

Fixing device and image forming apparatus

Fixing device and image forming apparatus

Fixing device and image forming apparatus

Patents Applicationslast 30 patents

HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

SHEET CONVEYOR AND IMAGE FORMING APPARATUS INCORPORATING THE SHEET...

CONVEYANCE DEVICE AND IMAGE FORMING APPARATUS

HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND CLEANING METHOD

FIXING DEVICE, HEATING DEVICE, AND IMAGE FORMING DEVICE

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

NIP-FORMING MEMBER, FIXING UNIT, AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS INCORPORATING FIXING DEVICE

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

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD

IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS