Toshio Koike

Person

Hachioji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Spectral-characteristic acquisition apparatus and method of obtaini...
- Patent number 11,906,356
- Issue date Feb 20, 2024
- Ricoh Company, Ltd.
- Toshio Koike
- G01 - MEASURING TESTING
Information Patent Grant
Consumable supply method, consumable container, image forming appar...
- Patent number 11,709,442
- Issue date Jul 25, 2023
- Ricoh Company, Ltd.
- Toshio Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with a plurality of developer container eac...
- Patent number 10,996,587
- Issue date May 4, 2021
- Ricoh Company, Ltd.
- Kazuhiro Aso
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container and image forming apparatus
- Patent number 10,852,689
- Issue date Dec 1, 2020
- Ricoh Company, Ltd.
- Nobuo Takami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container and image forming apparatus
- Patent number 10,635,043
- Issue date Apr 28, 2020
- Ricoh Company, Ltd.
- Nobuo Takami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including a removable component which is he...
- Patent number 10,564,592
- Issue date Feb 18, 2020
- Ricoh Company, Ltd.
- Michiharu Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 10,558,134
- Issue date Feb 11, 2020
- Ricoh Company, Ltd.
- Toshio Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge, and image forming apparatus i...
- Patent number 10,520,856
- Issue date Dec 31, 2019
- Ricoh Company, Ltd.
- Toshio Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including developing devices, developing co...
- Patent number 10,409,196
- Issue date Sep 10, 2019
- Ricoh Company, Ltd.
- Toshio Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container and image forming apparatus
- Patent number 10,394,186
- Issue date Aug 27, 2019
- Ricoh Company, Ltd.
- Nobuo Takami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container and image forming apparatus
- Patent number 10,203,650
- Issue date Feb 12, 2019
- Ricoh Company, Ltd.
- Nobuo Takami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 10,203,633
- Issue date Feb 12, 2019
- Ricoh Company, Ltd.
- Michiharu Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus
- Patent number 10,197,948
- Issue date Feb 5, 2019
- Ricoh Company, Ltd.
- Hitoshi Iwatsuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container and image forming apparatus
- Patent number 10,048,644
- Issue date Aug 14, 2018
- Ricoh Company, Limited
- Nobuo Takami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, and image forming apparatus and process cartridg...
- Patent number 9,921,541
- Issue date Mar 20, 2018
- Ricoh Company, Ltd.
- Yasunobu Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus including a contact m...
- Patent number 9,581,936
- Issue date Feb 28, 2017
- Ricoh Company, Ltd.
- Teppei Kikuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer pump with restricted detection time and image forming device
- Patent number 9,547,257
- Issue date Jan 17, 2017
- Ricoh Company, Ltd.
- Junichi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus and process cartridge...
- Patent number 9,285,714
- Issue date Mar 15, 2016
- Ricoh Company, Ltd.
- Keinosuke Kondoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus including a toner bea...
- Patent number 9,201,336
- Issue date Dec 1, 2015
- Ricoh Company, Ltd.
- Osamu Endou
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus and process cartridge...
- Patent number 9,176,431
- Issue date Nov 3, 2015
- Ricoh Company, Ltd.
- Toshio Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device and image forming apparatus incorporating same
- Patent number 9,046,821
- Issue date Jun 2, 2015
- Ricoh Company, Ltd.
- Tomoya Ohmura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, and process cartridge and image forming apparat...
- Patent number 8,989,621
- Issue date Mar 24, 2015
- Ricoh Company, Ltd.
- Yoshio Hattori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge, and image-forming apparatus
- Patent number 8,787,802
- Issue date Jul 22, 2014
- Ricoh Company, Ltd.
- Yoshio Hattori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant applying device, process cartridge, and image forming app...
- Patent number 8,676,107
- Issue date Mar 18, 2014
- Ricoh Company, Limited
- Michiya Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant applicator, image forming apparatus, and method of mounti...
- Patent number 8,655,254
- Issue date Feb 18, 2014
- Ricoh Company, Limited
- Yuji Arai
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Development device, and image forming apparatus and process cartrid...
- Patent number 8,626,034
- Issue date Jan 7, 2014
- Ricoh Company, Ltd.
- Toshio Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Waste-toner collecting device process cartridge and image forming a...
- Patent number 8,611,805
- Issue date Dec 17, 2013
- Ricoh Company, Limited
- Toshio Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant applicator, process cartridge, transfer unit, and image f...
- Patent number 8,588,672
- Issue date Nov 19, 2013
- Ricoh Company, Ltd.
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process unit and image forming apparatus including same
- Patent number 8,577,257
- Issue date Nov 5, 2013
- Ricoh Company, Ltd.
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device including cleaning mechanism having noise reduction...
- Patent number 8,565,661
- Issue date Oct 22, 2013
- Ricoh Company, Ltd.
- Michiya Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
SPECTRAL-CHARACTERISTIC ACQUISITION APPARATUS AND METHOD OF OBTAINI...
- Publication number 20230106354
- Publication date Apr 6, 2023
- RICOH COMPANY, LTD.
- Toshio KOIKE
- G01 - MEASURING TESTING
Information Patent Application
CONSUMABLE SUPPLY METHOD, CONSUMABLE CONTAINER, IMAGE FORMING APPAR...
- Publication number 20220326637
- Publication date Oct 13, 2022
- Toshio KOIKE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20210018860
- Publication date Jan 21, 2021
- Kazuhiro ASO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20200233371
- Publication date Jul 23, 2020
- RICOH COMPANY, LTD.
- Nobuo TAKAMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20190339642
- Publication date Nov 7, 2019
- Nobuo TAKAMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20190227479
- Publication date Jul 25, 2019
- RICOH COMPANY, LTD.
- Michiharu SUZUKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS I...
- Publication number 20190219951
- Publication date Jul 18, 2019
- Toshio KOIKE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20190212668
- Publication date Jul 11, 2019
- Toshio KOIKE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20190204775
- Publication date Jul 4, 2019
- Nobuo TAKAMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20180335721
- Publication date Nov 22, 2018
- Toshio KOIKE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20180329358
- Publication date Nov 15, 2018
- Nobuo TAKAMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20180321615
- Publication date Nov 8, 2018
- Michiharu SUZUKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170248871
- Publication date Aug 31, 2017
- Hitoshi IWATSUKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20170227922
- Publication date Aug 10, 2017
- Nobuo TAKAMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160223946
- Publication date Aug 4, 2016
- Teppei KIKUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160026113
- Publication date Jan 28, 2016
- Yutaka TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDG...
- Publication number 20150338824
- Publication date Nov 26, 2015
- RICOH COMPANY, LTD.
- Yasunobu Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...
- Publication number 20150227086
- Publication date Aug 13, 2015
- Keinosuke KONDOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONVEYANCE DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150139671
- Publication date May 21, 2015
- RICOH COMPANY, LTD.
- Junichi MATSUMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...
- Publication number 20150078788
- Publication date Mar 19, 2015
- Toshio KOIKE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20140112687
- Publication date Apr 24, 2014
- Tomoya Ohmura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20130209143
- Publication date Aug 15, 2013
- Osamu ENDOU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARAT...
- Publication number 20130034368
- Publication date Feb 7, 2013
- RICOH COMPANY, LTD.
- Yoshio Hattori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRID...
- Publication number 20120219326
- Publication date Aug 30, 2012
- RICOH COMPANY, LTD.
- Toshio Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE-FORMING APPARATUS
- Publication number 20120163874
- Publication date Jun 28, 2012
- Yoshio Hattori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS UNIT AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20110274447
- Publication date Nov 10, 2011
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Lubricant applicator, process cartridge, transfer unit, and image f...
- Publication number 20110274474
- Publication date Nov 10, 2011
- RICOH COMPANY, LTD.
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND TONER
- Publication number 20110262179
- Publication date Oct 27, 2011
- Haruji Mizuishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Lubricant applying device, process cartridge, and image forming app...
- Publication number 20110217101
- Publication date Sep 8, 2011
- RICOH COMPANY, LIMITED
- Michiya Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Lubricant applicator, process unit including the lubricant applicat...
- Publication number 20110123239
- Publication date May 26, 2011
- Ricoh Company, Ltd.
- Yuta Azeyanagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Toshio Koike

Person

Patents Grantslast 30 patents

Spectral-characteristic acquisition apparatus and method of obtaini...

Consumable supply method, consumable container, image forming appar...

Image forming apparatus with a plurality of developer container eac...

Powder container and image forming apparatus

Powder container and image forming apparatus

Image forming apparatus including a removable component which is he...

Image forming apparatus

Developing device, process cartridge, and image forming apparatus i...

Image forming apparatus including developing devices, developing co...

Powder container and image forming apparatus

Powder container and image forming apparatus

Image forming apparatus

Developing device and image forming apparatus

Powder container and image forming apparatus

Developing device, and image forming apparatus and process cartridg...

Developing device and image forming apparatus including a contact m...

Developer pump with restricted detection time and image forming device

Developing device and image forming apparatus and process cartridge...

Developing device and image forming apparatus including a toner bea...

Developing device and image forming apparatus and process cartridge...

Development device and image forming apparatus incorporating same

Development device, and process cartridge and image forming apparat...

Developing device, process cartridge, and image-forming apparatus

Lubricant applying device, process cartridge, and image forming app...

Lubricant applicator, image forming apparatus, and method of mounti...

Development device, and image forming apparatus and process cartrid...

Waste-toner collecting device process cartridge and image forming a...

Lubricant applicator, process cartridge, transfer unit, and image f...

Process unit and image forming apparatus including same

Cleaning device including cleaning mechanism having noise reduction...

Patents Applicationslast 30 patents

SPECTRAL-CHARACTERISTIC ACQUISITION APPARATUS AND METHOD OF OBTAINI...

CONSUMABLE SUPPLY METHOD, CONSUMABLE CONTAINER, IMAGE FORMING APPAR...

IMAGE FORMING APPARATUS

POWDER CONTAINER AND IMAGE FORMING APPARATUS

POWDER CONTAINER AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS I...

IMAGE FORMING APPARATUS

POWDER CONTAINER AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

POWDER CONTAINER AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

POWDER CONTAINER AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDG...

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...

DEVELOPER CONVEYANCE DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...

DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPMENT DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARAT...

DEVELOPMENT DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRID...

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE-FORMING APPARATUS

PROCESS UNIT AND IMAGE FORMING APPARATUS INCLUDING SAME

Lubricant applicator, process cartridge, transfer unit, and image f...

CHARGING DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND TONER

Lubricant applying device, process cartridge, and image forming app...

Lubricant applicator, process unit including the lubricant applicat...