Takaaki Tawada

Person

Yokohama city, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and image forming method
- Patent number 11,372,363
- Issue date Jun 28, 2022
- Ricoh Company, Ltd.
- Daisuke Inoue
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Blade and image forming apparatus and cleaning device incorporating...
- Patent number 10,042,315
- Issue date Aug 7, 2018
- Ricoh Company, Ltd.
- Eisuke Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning blade, image forming apparatus, and process cartridge
- Patent number 10,031,466
- Issue date Jul 24, 2018
- Ricoh Company, Limited
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Blade and image forming apparatus incorporating same
- Patent number 9,977,396
- Issue date May 22, 2018
- Ricoh Company, Ltd.
- Eisuke Shimizu
- B08 - CLEANING
Information Patent Grant
Blade, cleaning device, and image forming apparatus incorporating same
- Patent number 9,904,233
- Issue date Feb 27, 2018
- Ricoh Company, Ltd.
- Eisuke Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Blade and image forming apparatus incorporating same
- Patent number 9,798,284
- Issue date Oct 24, 2017
- Ricoh Company, Ltd.
- Eisuke Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Blade and image forming apparatus incorporating same
- Patent number 9,529,317
- Issue date Dec 27, 2016
- Ricoh Company, Ltd.
- Eisuke Shimizu
- B08 - CLEANING
Information Patent Grant
Image forming apparatus configured to modify a reference voltage co...
- Patent number 9,436,117
- Issue date Sep 6, 2016
- Ricoh Company, Ltd.
- Hisashi Kikuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging roller, charging device and image forming apparatus incorp...
- Patent number 9,329,519
- Issue date May 3, 2016
- Ricoh Company, Ltd.
- Hisashi Kikuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge therefor
- Patent number 9,310,750
- Issue date Apr 12, 2016
- Ricoh Company, Ltd.
- Hisashi Kikuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Blade member, image forming apparatus and process cartridge
- Patent number 9,310,751
- Issue date Apr 12, 2016
- Ricoh Company, Ltd.
- Eisuke Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning blade, image forming apparatus, and process cartridge
- Patent number 9,170,557
- Issue date Oct 27, 2015
- Ricoh Company, Ltd.
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaner, and process cartridge and image forming apparatus using th...
- Patent number 9,081,353
- Issue date Jul 14, 2015
- Ricoh Company, Ltd.
- Takaaki Tawada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including a lubricant applying device confi...
- Patent number 8,577,274
- Issue date Nov 5, 2013
- Ricoh Company, Limited
- Takaaki Tawada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant applicator, process unit including the lubricant applicat...
- Patent number 8,494,428
- Issue date Jul 23, 2013
- Ricoh Company, Ltd.
- Yuta Azeyanagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device, process cartridge, image forming apparatus, and toner
- Patent number 8,428,488
- Issue date Apr 23, 2013
- Ricoh Company, Ltd.
- Haruji Mizuishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device capable of efficiently charging image carrier
- Patent number 8,204,400
- Issue date Jun 19, 2012
- Ricoh Company Limited
- Shinya Karasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner conveyance device and image forming apparatus incorporating same
- Patent number 8,190,078
- Issue date May 29, 2012
- Ricoh Company, Limited
- Takaaki Tawada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device, process cartridge, image forming apparatus, and toner
- Patent number 8,000,627
- Issue date Aug 16, 2011
- Ricoh Company, Ltd.
- Haruji Mizuishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant applicator, process cartridge including same, and image f...
- Patent number 7,885,595
- Issue date Feb 8, 2011
- Ricoh Company Limited
- Hiromichi Ninomiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, lubricant applying device, transfer device...
- Patent number 7,826,786
- Issue date Nov 2, 2010
- Ricoh Company, Limited
- Takeo Suda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device including charging roller and cleaning roller
- Patent number 7,680,429
- Issue date Mar 16, 2010
- Ricoh Company, Ltd.
- Muraishi Takaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, toner container, and process cartridge
- Patent number 7,630,679
- Issue date Dec 8, 2009
- Ricoh Company, Limited
- Takaaki Tawada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant applicator, and image forming apparatus and process cartr...
- Patent number 7,542,712
- Issue date Jun 2, 2009
- Ricoh Company Limited
- Shuji Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and toner
- Patent number 7,539,451
- Issue date May 26, 2009
- Ricoh Company Ltd.
- Masanori Kawasumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant applying unit, process cartridge, and image forming appar...
- Patent number 7,496,323
- Issue date Feb 24, 2009
- Ricoh Company, Limited
- Chohtaroh Kataoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charged device, cleaning device, process cartridge, toner, and imag...
- Patent number 7,477,862
- Issue date Jan 13, 2009
- Ricoh Company, Ltd.
- Muraishi Takaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge having a detachable u...
- Patent number 7,430,377
- Issue date Sep 30, 2008
- Ricoh Company, Limited
- Toshio Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus
- Patent number 7,391,991
- Issue date Jun 24, 2008
- Ricoh Company, Ltd.
- Takeo Suda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for image forming capable of effectively colle...
- Patent number 7,373,092
- Issue date May 13, 2008
- Ricoh Company, Ltd.
- Takaaki Tawada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20250085656
- Publication date Mar 13, 2025
- RICOH COMPANY, LTD.
- Takaaki TAWADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20250076805
- Publication date Mar 6, 2025
- RICOH COMPANY, LTD.
- Kazuhiko WATANABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20210173337
- Publication date Jun 10, 2021
- Daisuke INOUE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANING BLADE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20170199493
- Publication date Jul 13, 2017
- Kazuhiko WATANABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
BLADE, CLEANING DEVICE, AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20170146944
- Publication date May 25, 2017
- Eisuke SHIMIZU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
BLADE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20170068207
- Publication date Mar 9, 2017
- RICOH COMPANY, LTD.
- Eisuke SHIMIZU
- B32 - LAYERED PRODUCTS
Information Patent Application
BLADE AND IMAGE FORMING APPARATUS AND CLEANING DEVICE INCORPORATING...
- Publication number 20170038724
- Publication date Feb 9, 2017
- Eisuke SHIMIZU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTOCONDUCTOR CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMIN...
- Publication number 20160320738
- Publication date Nov 3, 2016
- RICOH COMPANY, LTD.
- Takaaki TAWADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
BLADE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20160259293
- Publication date Sep 8, 2016
- RICOH COMPANY, LTD.
- Eisuke SHIMIZU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
BLADE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20160109846
- Publication date Apr 21, 2016
- RICOH COMPANY, LTD.
- Eisuke SHIMIZU
- B32 - LAYERED PRODUCTS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160097987
- Publication date Apr 7, 2016
- RICOH COMPANY, LTD.
- Hisashi KIKUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
BLADE MEMBER, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20150370217
- Publication date Dec 24, 2015
- RICOH COMPANY, LTD.
- Eisuke SHIMIZU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING ROLLER, CHARGING DEVICE AND IMAGE FORMING APPARATUS INCORP...
- Publication number 20150355566
- Publication date Dec 10, 2015
- RICOH COMPANY, LTD.
- Hisashi KIKUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANING BLADE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20140341629
- Publication date Nov 20, 2014
- RICOH COMPANY, LTD.
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20140233998
- Publication date Aug 21, 2014
- RICOH COMPANY, LTD.
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANER, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS USING TH...
- Publication number 20140193172
- Publication date Jul 10, 2014
- RICOH COMPANY, LTD.
- Takaaki TAWADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING DEVICE
- Publication number 20140161501
- Publication date Jun 12, 2014
- RICOH COMPANY, LTD.
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE THEREFOR
- Publication number 20140119769
- Publication date May 1, 2014
- Hisashi KIKUCHI
- 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
Image forming apparatus
- Publication number 20110206431
- Publication date Aug 25, 2011
- RICOH COMPANY, LIMITED
- Takaaki Tawada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Lubricant supplying device, process cartridge, and image forming ap...
- Publication number 20110170908
- Publication date Jul 14, 2011
- RICOH COMPANY, LIMITED
- Hiroshi Saitoh
- 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
Information Patent Application
TONER CONVEYANCE DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20100143011
- Publication date Jun 10, 2010
- Takaaki TAWADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING DEVICE CAPABLE OF EFFICIENTLY CHARGING IMAGE CARRIER
- Publication number 20090180795
- Publication date Jul 16, 2009
- Shinya Karasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING DEVICE INCLUDING CHARGING ROLLER AND CLEANING ROLLER
- Publication number 20090087213
- Publication date Apr 2, 2009
- Muraishi Takaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT APPLICATOR, PROCESS CARTRIDGE INCLUDING SAME, AND IMAGE F...
- Publication number 20090060600
- Publication date Mar 5, 2009
- Hiromichi NINOMIYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, TONER CONTAINER, AND PROCESS CARTRIDGE
- Publication number 20080031666
- Publication date Feb 7, 2008
- Takaaki Tawada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Powder transport unit having enhanced transportability and operabil...
- Publication number 20080013998
- Publication date Jan 17, 2008
- Naohiro Kumagai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charging Device, Process Cartridge, Image Forming Apparatus, And Toner
- Publication number 20070196123
- Publication date Aug 23, 2007
- Haruji Mizuishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, lubricant applying device, transfer device...
- Publication number 20070183824
- Publication date Aug 9, 2007
- Takeo Suda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Takaaki Tawada

Person

Patents Grantslast 30 patents

Image forming apparatus and image forming method

Blade and image forming apparatus and cleaning device incorporating...

Cleaning blade, image forming apparatus, and process cartridge

Blade and image forming apparatus incorporating same

Blade, cleaning device, and image forming apparatus incorporating same

Blade and image forming apparatus incorporating same

Blade and image forming apparatus incorporating same

Image forming apparatus configured to modify a reference voltage co...

Charging roller, charging device and image forming apparatus incorp...

Image forming apparatus and process cartridge therefor

Blade member, image forming apparatus and process cartridge

Cleaning blade, image forming apparatus, and process cartridge

Cleaner, and process cartridge and image forming apparatus using th...

Image forming apparatus including a lubricant applying device confi...

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

Charging device, process cartridge, image forming apparatus, and toner

Charging device capable of efficiently charging image carrier

Toner conveyance device and image forming apparatus incorporating same

Charging device, process cartridge, image forming apparatus, and toner

Lubricant applicator, process cartridge including same, and image f...

Image forming apparatus, lubricant applying device, transfer device...

Charging device including charging roller and cleaning roller

Image forming apparatus, toner container, and process cartridge

Lubricant applicator, and image forming apparatus and process cartr...

Image forming apparatus and toner

Lubricant applying unit, process cartridge, and image forming appar...

Charged device, cleaning device, process cartridge, toner, and imag...

Image forming apparatus and process cartridge having a detachable u...

Process cartridge and image forming apparatus

Method and apparatus for image forming capable of effectively colle...

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

CLEANING BLADE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

BLADE, CLEANING DEVICE, AND IMAGE FORMING APPARATUS INCORPORATING SAME

BLADE AND IMAGE FORMING APPARATUS INCORPORATING SAME

BLADE AND IMAGE FORMING APPARATUS AND CLEANING DEVICE INCORPORATING...

PHOTOCONDUCTOR CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMIN...

BLADE AND IMAGE FORMING APPARATUS INCORPORATING SAME

BLADE AND IMAGE FORMING APPARATUS INCORPORATING SAME

IMAGE FORMING APPARATUS

BLADE MEMBER, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

CHARGING ROLLER, CHARGING DEVICE AND IMAGE FORMING APPARATUS INCORP...

CLEANING BLADE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

CLEANER, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS USING TH...

IMAGE FORMING DEVICE

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE THEREFOR

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

Image forming apparatus

Lubricant supplying device, process cartridge, and image forming ap...

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

TONER CONVEYANCE DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

CHARGING DEVICE CAPABLE OF EFFICIENTLY CHARGING IMAGE CARRIER

CHARGING DEVICE INCLUDING CHARGING ROLLER AND CLEANING ROLLER

LUBRICANT APPLICATOR, PROCESS CARTRIDGE INCLUDING SAME, AND IMAGE F...

IMAGE FORMING APPARATUS, TONER CONTAINER, AND PROCESS CARTRIDGE

Powder transport unit having enhanced transportability and operabil...

Charging Device, Process Cartridge, Image Forming Apparatus, And Toner

Image forming apparatus, lubricant applying device, transfer device...