Masahiro Samei

Person

Fukuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Heating device, fixing device, and image forming apparatus with hea...
- Patent number 12,197,155
- Issue date Jan 14, 2025
- Ricoh Company, Ltd.
- Hiroshi Yoshinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heating device, fixing device, and image forming apparatus
- Patent number 12,197,151
- Issue date Jan 14, 2025
- Ricoh Company, Ltd.
- Masahiro Samei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heating device, nip forming device, and image forming apparatus
- Patent number 12,135,517
- Issue date Nov 5, 2024
- Ricoh Company, Ltd.
- Masahiro Samei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heating device, fixing device, and image forming apparatus
- Patent number 12,124,194
- Issue date Oct 22, 2024
- Ricoh Company, Ltd.
- Ryohhei Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heating device, fixing device, and image forming apparatus includin...
- Patent number 12,124,197
- Issue date Oct 22, 2024
- Ricoh Company, Ltd.
- Hiroshi Yoshinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including a filter for collect foreign subs...
- Patent number 12,117,768
- Issue date Oct 15, 2024
- Ricoh Company, Ltd.
- Takayuki Andoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heating device, fixing device, and image forming apparatus
- Patent number 12,072,651
- Issue date Aug 27, 2024
- Ricoh Company, Ltd.
- Toshiyuki Kabata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heating device, fixing device, and image forming apparatus includin...
- Patent number 12,013,652
- Issue date Jun 18, 2024
- Ricoh Company, Ltd.
- Daisuke Inoue
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image reading device, image forming apparatus, and feed tray compri...
- Patent number 11,968,341
- Issue date Apr 23, 2024
- Ricoh Company, Ltd.
- Masahiro Samei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Heating device configured to limit a temperature rise of a lubrican...
- Patent number 11,959,039
- Issue date Apr 16, 2024
- Ricoh Company, Ltd.
- Takayuki Andoh
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Heater, fixing device, and image forming apparatus
- Patent number 11,435,682
- Issue date Sep 6, 2022
- Ricoh Company, Ltd.
- Masahiro Samei
- 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
Image formation apparatus including a resistive heat generator driv...
- Patent number 10,928,761
- Issue date Feb 23, 2021
- Ricoh Company, Ltd.
- Tomoya Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 10,802,428
- Issue date Oct 13, 2020
- Ricoh Company, Ltd.
- Tomoya Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus configured to control a lighting duty of a...
- Patent number 10,712,695
- Issue date Jul 14, 2020
- Ricoh Company, Ltd.
- Daisuke Inoue
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 10,539,912
- Issue date Jan 21, 2020
- Ricoh Company, Ltd.
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device including a nip formation pad with a porous structure...
- Patent number 10,317,828
- Issue date Jun 11, 2019
- Ricoh Company, Ltd.
- Yutaka Naitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 10,078,300
- Issue date Sep 18, 2018
- Ricoh Company, Ltd.
- Masahiro Samei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Removable fixing device having a convex guide and image forming app...
- Patent number 10,036,987
- Issue date Jul 31, 2018
- Ricoh Company, Ltd.
- Shigeo Nanno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, fixing method, and image forming apparatus
- Patent number 9,817,347
- Issue date Nov 14, 2017
- Ricoh Company, Ltd.
- Tomohiko Fujii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Fixing device and image forming apparatus incorporating same
- Patent number 9,690,242
- Issue date Jun 27, 2017
- Ricoh Company, Ltd.
- Masahiro Samei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method for controlling a...
- Patent number 9,599,938
- Issue date Mar 21, 2017
- Ricoh Company, Ltd.
- Masahiro Samei
- 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 apparatus incorporating same
- Patent number 9,411,280
- Issue date Aug 9, 2016
- Ricoh Company, Ltd.
- Masahiro Samei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method including forming...
- Patent number 9,395,660
- Issue date Jul 19, 2016
- Ricoh Company, Ltd.
- Tomohiko Fujii
- 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
Fixing device and image forming apparatus having temperature detector
- Patent number 9,310,735
- Issue date Apr 12, 2016
- Ricoh Company, Ltd.
- Yoshiki Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with a heater controller and image forming...
- Patent number 9,274,465
- Issue date Mar 1, 2016
- Ricoh Company, Ltd.
- Masahiro Samei
- 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

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240411253
- Publication date Dec 12, 2024
- RICOH COMPANY, LTD.
- Kota SHIODERA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20240319642
- Publication date Sep 26, 2024
- Masahiro SAMEI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20240319641
- Publication date Sep 26, 2024
- Takayuki ANDOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20240319640
- Publication date Sep 26, 2024
- Toshiyuki KABATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20240036500
- Publication date Feb 1, 2024
- Masahiro SAMEI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20240004329
- Publication date Jan 4, 2024
- Hiroshi YOSHINAGA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20230350329
- Publication date Nov 2, 2023
- Toshiyuki KABATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, NIP FORMING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20230324838
- Publication date Oct 12, 2023
- RICOH COMPANY, LTD.
- Masahiro SAMEI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20230305451
- Publication date Sep 28, 2023
- RICOH COMPANY, LTD.
- Ryohhei Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20230297011
- Publication date Sep 21, 2023
- RICOH COMPANY, LTD.
- Kota SHIODERA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20230297015
- Publication date Sep 21, 2023
- RICOH COMPANY, LTD.
- Hiroshi YOSHINAGA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20230297010
- Publication date Sep 21, 2023
- RICOH COMPANY, LTD.
- Daisuke INOUE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20230297026
- Publication date Sep 21, 2023
- RICOH COMPANY, LTD.
- Takayuki ANDOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE READING DEVICE, IMAGE FORMING APPARATUS, AND FEED TRAY
- Publication number 20220377197
- Publication date Nov 24, 2022
- RICOH COMPANY, LTD.
- Masahiro Samei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HEATER, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20200401067
- Publication date Dec 24, 2020
- RICOH COMPANY, LTD.
- Masahiro SAMEI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20200379384
- Publication date Dec 3, 2020
- RICOH COMPANY, LTD.
- Masahiro SAMEI
- 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
IMAGE FORMING APPARATUS
- Publication number 20200033767
- Publication date Jan 30, 2020
- RICOH COMPANY, LTD.
- Tomoya Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20200033775
- Publication date Jan 30, 2020
- RICOH COMPANY, LTD.
- Daisuke Inoue
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20200033766
- Publication date Jan 30, 2020
- RICOH COMPANY, LTD.
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20190286029
- Publication date Sep 19, 2019
- Tomoya Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20180267449
- Publication date Sep 20, 2018
- Yutaka NAITOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20180107142
- Publication date Apr 19, 2018
- Masahiro Samei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20180067431
- Publication date Mar 8, 2018
- Shigeo NANNO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, FIXING METHOD, AND IMAGE FORMING APPARATUS
- Publication number 20170045850
- Publication date Feb 16, 2017
- Tomohiko FUJII
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20170003634
- Publication date Jan 5, 2017
- Masahiro SAMEI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20160041511
- Publication date Feb 11, 2016
- Tomohiko FUJII
- 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
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20150220028
- Publication date Aug 6, 2015
- Masahiro Samei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masahiro Samei

Person

Patents Grantslast 30 patents

Heating device, fixing device, and image forming apparatus with hea...

Heating device, fixing device, and image forming apparatus

Heating device, nip forming device, and image forming apparatus

Heating device, fixing device, and image forming apparatus

Heating device, fixing device, and image forming apparatus includin...

Image forming apparatus including a filter for collect foreign subs...

Heating device, fixing device, and image forming apparatus

Heating device, fixing device, and image forming apparatus includin...

Image reading device, image forming apparatus, and feed tray compri...

Heating device configured to limit a temperature rise of a lubrican...

Heater, fixing device, and image forming apparatus

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

Image formation apparatus including a resistive heat generator driv...

Image forming apparatus

Image forming apparatus configured to control a lighting duty of a...

Image forming apparatus

Fixing device including a nip formation pad with a porous structure...

Fixing device and image forming apparatus

Removable fixing device having a convex guide and image forming app...

Fixing device, fixing method, and image forming apparatus

Separator, fixing device, and image forming apparatus

Fixing device and image forming apparatus incorporating same

Image forming apparatus and image forming method for controlling a...

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

Fixing device and image forming apparatus incorporating same

Image forming apparatus and image forming method including forming...

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

Fixing device and image forming apparatus having temperature detector

Image forming apparatus with a heater controller and image forming...

Fixing device and image forming apparatus

Patents Applicationslast 30 patents

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

HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

HEATING DEVICE, NIP FORMING 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

HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE READING DEVICE, IMAGE FORMING APPARATUS, AND FEED TRAY

HEATER, FIXING DEVICE, AND IMAGE FORMING APPARATUS

HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

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

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE, FIXING METHOD, AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

SEPARATOR, FIXING DEVICE, AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

FIXING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD