Hitoshi FUJIWARA

Person

Chofu-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 12,117,748
- Issue date Oct 15, 2024
- Ricoh Company, Ltd.
- Hitoshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 11,966,179
- Issue date Apr 23, 2024
- Ricoh Company, Ltd.
- Hitoshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heating device, fixing device, and image forming apparatus
- Patent number 11,947,295
- Issue date Apr 2, 2024
- Ricoh Company, Ltd.
- Hitoshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heating device, fixing device, and image forming apparatus
- Patent number 11,886,134
- Issue date Jan 30, 2024
- Ricoh Company, Ltd.
- Hitoshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 11,874,620
- Issue date Jan 16, 2024
- Ricoh Company, Ltd.
- Hitoshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 11,543,765
- Issue date Jan 3, 2023
- Ricoh Company, Ltd.
- Hitoshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
NIP formation member having a base, a thermal conductor, and a stab...
- Patent number 11,454,910
- Issue date Sep 27, 2022
- Ricoh Company, Ltd.
- Naoki Iwaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fuel injector
- Patent number 11,408,346
- Issue date Aug 9, 2022
- Kawasaki Jukogyo Kabushiki Kaisha
- Ryusuke Matsuyama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel injection device
- Patent number 11,092,340
- Issue date Aug 17, 2021
- Kawasaki Jukogyo Kabushiki Kaisha
- Ryusuke Matsuyama
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Nip formation member, heating device, fixing device and image formi...
- Patent number 11,054,767
- Issue date Jul 6, 2021
- Ricoh Company, Ltd.
- Yoshiharu Takahashi
- 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
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
Presser, fixing device, and image forming apparatus
- Patent number 11,009,817
- Issue date May 18, 2021
- Ricoh Company, Ltd.
- Hitoshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device including a nip formation pad movable with respect to...
- Patent number 10,996,596
- Issue date May 4, 2021
- Ricoh Company, Ltd.
- Hitoshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Driver, fixing device, and image forming apparatus
- Patent number 10,990,049
- Issue date Apr 27, 2021
- Ricoh Company, Ltd.
- Hitoshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 10,955,780
- Issue date Mar 23, 2021
- Ricoh Company, Ltd.
- Takuya Seshita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 10,928,763
- Issue date Feb 23, 2021
- Ricoh Company, Ltd.
- Hiroyuki Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Nip former, fixing device, and image forming apparatus
- Patent number 10,921,739
- Issue date Feb 16, 2021
- Ricoh Company, Ltd.
- Hitoshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fuel injection device
- Patent number 10,697,638
- Issue date Jun 30, 2020
- KAWASAKI JUKOGYO KABUSHIKI KAISHA
- Masayoshi Kobayashi
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Fuel injection device
- Patent number 10,648,671
- Issue date May 12, 2020
- KAWASAKI JUKOGYO KABUSHIKI KAISHA
- Masayoshi Kobayashi
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Image forming apparatus incorporating pressing device
- Patent number 10,558,154
- Issue date Feb 11, 2020
- Ricoh Company, Ltd.
- Hiroshi Kajiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fuel injection device
- Patent number 10,132,499
- Issue date Nov 20, 2018
- Kawasaki Jukogyo Kabushiki Kaisha
- Ryusuke Matsuyama
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Separator, fixing device, and image forming apparatus
- Patent number 9,740,147
- Issue date Aug 22, 2017
- Ricoh Company, Ltd.
- Hitoshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Gas turbine combustor
- Patent number 9,664,391
- Issue date May 30, 2017
- Kawasaki Jukogyo Kabushiki Kaisha
- Masayoshi Kobayashi
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,429,891
- Issue date Aug 30, 2016
- Ricoh Company, Ltd.
- Shigeo Nanno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fuel injector with radial and axial air inflow
- Patent number 9,429,324
- Issue date Aug 30, 2016
- Kawasaki Jukogyo Kabushiki Kaisha
- Ryusuke Matsuyama
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Pilot fuel injector with swirler
- Patent number 9,366,442
- Issue date Jun 14, 2016
- Kawasaki Jukogyo Kabushiki Kaisha
- Ryusuke Matsuyama
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Fixing device and image forming apparatus and method of assembling...
- Patent number 9,342,044
- Issue date May 17, 2016
- Ricoh Company, Ltd.
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,261,835
- Issue date Feb 16, 2016
- Ricoh Company, Ltd.
- Yasuharu Kawarasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, image forming apparatus with same, and method of ass...
- Patent number 9,182,709
- Issue date Nov 10, 2015
- Ricoh Company, Ltd.
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
HEATING DEVICE, FIXING DEVICE, DRIER, LAMINATE PROCESSING APPARATUS...
- Publication number 20250036048
- Publication date Jan 30, 2025
- Yuusuke FURUICHI
- B32 - LAYERED PRODUCTS
Information Patent Application
HEATING DEVICE, FRAME DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20240295847
- Publication date Sep 5, 2024
- Shigeo NANNO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FRAME DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20240295842
- Publication date Sep 5, 2024
- Hitoshi FUJIWARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20240248426
- Publication date Jul 25, 2024
- Hiromasa TAKAGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20240241467
- Publication date Jul 18, 2024
- Yutaka IKEBUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20230375965
- Publication date Nov 23, 2023
- Hitoshi FUJIWARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PRESSURE SWITCHING MECHANISM AND IMAGE FORMING APPARATUS
- Publication number 20230297017
- Publication date Sep 21, 2023
- RICOH COMPANY, LTD.
- Natsuki WATANABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20230221664
- Publication date Jul 13, 2023
- Hitoshi FUJIWARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20230205119
- Publication date Jun 29, 2023
- Hitoshi FUJIWARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20230004110
- Publication date Jan 5, 2023
- RICOH COMPANY, LTD.
- Hitoshi FUJIWARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20220397847
- Publication date Dec 15, 2022
- RICOH COMPANY, LTD.
- Hitoshi FUJIWARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20220276593
- Publication date Sep 1, 2022
- Hitoshi FUJIWARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
NIP FORMATION MEMBER, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20220075302
- Publication date Mar 10, 2022
- Naoki IWAYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FUEL INJECTOR
- Publication number 20210381436
- Publication date Dec 9, 2021
- KAWASAKI JUKOGYO KABUSHIKI KAISHA
- Ryusuke MATSUYAMA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ANNULAR GAS TURBINE COMBUSTOR FOR USE IN AIRCRAFT
- Publication number 20210341150
- Publication date Nov 4, 2021
- KAWASAKI JUKOGYO KABUSHIKI KAISHA
- Ryusuke MATSUYAMA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
DRIVER, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20210041820
- Publication date Feb 11, 2021
- RICOH COMPANY, LTD.
- Hitoshi FUJIWARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20210041814
- Publication date Feb 11, 2021
- Hitoshi FUJIWARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
NIP FORMATION MEMBER, HEATING DEVICE, FIXING DEVICE AND IMAGE FORMI...
- Publication number 20210026279
- Publication date Jan 28, 2021
- Yoshiharu Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20210011400
- Publication date Jan 14, 2021
- Takuya SESHITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PRESSER, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20210003947
- Publication date Jan 7, 2021
- Hitoshi FUJIWARA
- 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 20200341419
- Publication date Oct 29, 2020
- Hiroyuki SHIMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
NIP FORMER, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20200285178
- Publication date Sep 10, 2020
- Hitoshi FUJIWARA
- 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
IMAGE FORMING APPARATUS INCORPORATING PRESSING DEVICE
- Publication number 20200033764
- Publication date Jan 30, 2020
- RICOH COMPANY, LTD.
- Hiroshi Kajiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FUEL INJECTION DEVICE
- Publication number 20180372319
- Publication date Dec 27, 2018
- KAWASAKI JUKOGYO KABUSHIKI KAISHA
- Ryusuke MATSUYAMA
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
FUEL INJECTION DEVICE
- Publication number 20170159937
- Publication date Jun 8, 2017
- KAWASAKI JUKOGYO KABUSHIKI KAISHA
- Masayoshi KOBAYASHI
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FUEL INJECTION DEVICE
- Publication number 20170159939
- Publication date Jun 8, 2017
- KAWASAKI JUKOGYO KABUSHIKI KAISHA
- Masayoshi KOBAYASHI
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SEPARATOR, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20160378028
- Publication date Dec 29, 2016
- RICOH COMPANY, LTD.
- Hitoshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150346662
- Publication date Dec 3, 2015
- RICOH COMPANY, LTD.
- Yasuharu KAWARASAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hitoshi FUJIWARA

Person

Patents Grantslast 30 patents

Fixing device and image forming apparatus incorporating same

Fixing device and image forming apparatus incorporating same

Heating device, fixing device, and image forming apparatus

Heating device, fixing device, and image forming apparatus

Fixing device and image forming apparatus incorporating same

Fixing device and image forming apparatus incorporating same

NIP formation member having a base, a thermal conductor, and a stab...

Fuel injector

Fuel injection device

Nip formation member, heating device, fixing device and image formi...

Nip forming member, fixing device, and image forming apparatus

Fixing device and image forming apparatus incorporating same

Presser, fixing device, and image forming apparatus

Fixing device including a nip formation pad movable with respect to...

Driver, fixing device, and image forming apparatus

Fixing device and image forming apparatus incorporating same

Fixing device and image forming apparatus

Nip former, fixing device, and image forming apparatus

Fuel injection device

Fuel injection device

Image forming apparatus incorporating pressing device

Fuel injection device

Separator, fixing device, and image forming apparatus

Gas turbine combustor

Fixing device and image forming apparatus

Fuel injector with radial and axial air inflow

Pilot fuel injector with swirler

Fixing device and image forming apparatus and method of assembling...

Fixing device and image forming apparatus

Fixing device, image forming apparatus with same, and method of ass...

Patents Applicationslast 30 patents

HEATING DEVICE, FIXING DEVICE, DRIER, LAMINATE PROCESSING APPARATUS...

HEATING DEVICE, FRAME DEVICE, AND IMAGE FORMING APPARATUS

FRAME 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

PRESSURE SWITCHING MECHANISM AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

NIP FORMATION MEMBER, FIXING DEVICE, AND IMAGE FORMING APPARATUS

FUEL INJECTOR

ANNULAR GAS TURBINE COMBUSTOR FOR USE IN AIRCRAFT

DRIVER, FIXING DEVICE, AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

NIP FORMATION MEMBER, HEATING DEVICE, FIXING DEVICE AND IMAGE FORMI...

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

PRESSER, FIXING DEVICE, AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS

NIP FORMER, FIXING DEVICE, AND IMAGE FORMING APPARATUS

NIP FORMING MEMBER, FIXING DEVICE, AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS INCORPORATING PRESSING DEVICE

FUEL INJECTION DEVICE

FUEL INJECTION DEVICE

FUEL INJECTION DEVICE

SEPARATOR, FIXING DEVICE, AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS