Takayuki SEKI

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Heating device, belt heating device, fixing device, and image formi...
- Patent number 11,966,178
- Issue date Apr 23, 2024
- Ricoh Company, Ltd.
- Yuusuke Furuichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 11,604,425
- Issue date Mar 14, 2023
- Ricoh Company Ltd.
- Takayuki Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heating device, belt heating device, fixing device, and image formi...
- Patent number 11,550,249
- Issue date Jan 10, 2023
- Ricoh Company, Ltd.
- Yuusuke Furuichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having variabale heat generation states
- Patent number 11,429,043
- Issue date Aug 30, 2022
- Ricoh Company, Ltd.
- Takayuki Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and heating device comprising plural pressi...
- Patent number 11,378,904
- Issue date Jul 5, 2022
- Ricoh Company, Ltd.
- Takayuki Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heating device with a non-conveyance span temperature detector
- Patent number 11,269,274
- Issue date Mar 8, 2022
- Ricoh Company, Ltd.
- Yuusuke Furuichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heating device, fixing device and image forming apparatus
- Patent number 11,143,996
- Issue date Oct 12, 2021
- Ricoh Company, Ltd.
- Takayuki Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heater, heating device, fixing device, and image forming apparatus
- Patent number 11,054,773
- Issue date Jul 6, 2021
- Ricoh Company, Ltd.
- Yuusuke Furuichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heating device having a motion restrictor and fixing device and ima...
- Patent number 10,969,717
- Issue date Apr 6, 2021
- Ricoh Company, Ltd.
- Tomoya Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heater, fixing device, and image forming apparatus
- Patent number 10,884,366
- Issue date Jan 5, 2021
- Ricoh Company, Ltd.
- Takayuki Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 10,747,154
- Issue date Aug 18, 2020
- Ricoh Company, Ltd.
- Takayuki Seki
- 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
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
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 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 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, 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 10,082,751
- 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 including same
- Patent number 9,983,526
- Issue date May 29, 2018
- Ricoh Company, Ltd.
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DRYER AND LIQUID DISCHARGE APPARATUS
- Publication number 20240408899
- Publication date Dec 12, 2024
- Ryusaku HIDA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
HEATING DEVICE, DRYER APPARATUS, AND LIQUID APPLYING APPARATUS
- Publication number 20240351351
- Publication date Oct 24, 2024
- Ricoh Company Ltd.
- Takayuki SEKI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
CONVEYANCE DEVICE, DRYING DEVICE, IMAGE FORMING APPARATUS, AND LIQU...
- Publication number 20240092595
- Publication date Mar 21, 2024
- Kohki ASADA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
HEATING DEVICE, BELT HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMI...
- Publication number 20230004108
- Publication date Jan 5, 2023
- RICOH COMPANY, LTD.
- Yuusuke FURUICHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20220291610
- Publication date Sep 15, 2022
- RICOH COMPANY, LTD.
- Takayuki SEKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, BELT HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMI...
- Publication number 20210278790
- Publication date Sep 9, 2021
- RICOH COMPANY, LTD.
- Yuusuke FURUICHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20210271190
- Publication date Sep 2, 2021
- RICOH COMPANY, LTD.
- Takayuki SEKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20210181661
- Publication date Jun 17, 2021
- RICOH COMPANY, LTD.
- Takayuki SEKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20210165350
- Publication date Jun 3, 2021
- RICOH COMPANY, LTD.
- Takayuki SEKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATER, HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20200292973
- Publication date Sep 17, 2020
- Yuusuke Furuichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATER, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20200285179
- Publication date Sep 10, 2020
- Takayuki Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20200249604
- Publication date Aug 6, 2020
- RICOH COMPANY, LTD.
- Tomoya ADACHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20200209791
- Publication date Jul 2, 2020
- Takayuki Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20200174408
- Publication date Jun 4, 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 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
- Publication number 20180284669
- Publication date Oct 4, 2018
- Ippei Fujimoto
- 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 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 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 INCORPORATING SAME
- Publication number 20170261900
- Publication date Sep 14, 2017
- Kazunari Sawada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Takayuki SEKI

Person

Patents Grantslast 30 patents

Heating device, belt heating device, fixing device, and image formi...

Fixing device and image forming apparatus incorporating same

Heating device, belt heating device, fixing device, and image formi...

Image forming apparatus having variabale heat generation states

Image forming apparatus and heating device comprising plural pressi...

Heating device with a non-conveyance span temperature detector

Heating device, fixing device and image forming apparatus

Heater, heating device, fixing device, and image forming apparatus

Heating device having a motion restrictor and fixing device and ima...

Heater, 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 with nip former longer than opposed rotator

Image forming apparatus and image forming method

Fixing device and image forming apparatus having a thermal conducti...

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

Fixing device and image forming apparatus

Fixing device and image forming apparatus

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

Fixing device and image forming apparatus having nip pad including...

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 incorporating same

Fixing device, image forming apparatus, and image forming method

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

Fixing device and image forming apparatus

Fixing device and image forming apparatus including same

Patents Applicationslast 30 patents

DRYER AND LIQUID DISCHARGE APPARATUS

HEATING DEVICE, DRYER APPARATUS, AND LIQUID APPLYING APPARATUS

CONVEYANCE DEVICE, DRYING DEVICE, IMAGE FORMING APPARATUS, AND LIQU...

HEATING DEVICE, BELT HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMI...

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

HEATING DEVICE, BELT HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMI...

IMAGE FORMING APPARATUS

HEATING DEVICE, FIXING DEVICE AND IMAGE FORMING APPARATUS

HEATING DEVICE AND IMAGE FORMING APPARATUS

HEATER, HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

HEATER, FIXING DEVICE, AND IMAGE FORMING APPARATUS

HEATING DEVICE, 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

FIXING DEVICE 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

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

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 AND IMAGE FORMING APPARATUS

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 INCORPORATING SAME