Tsuyoshi Imamura

Person

Hachioji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic particle carrying device, and developing unit, process car...
- Patent number 8,535,116
- Issue date Sep 17, 2013
- Ricoh Company, Ltd.
- Hiroya Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic roller and manufacturing method thereof, developer carrier...
- Patent number 8,500,615
- Issue date Aug 6, 2013
- Ricoh Company, Ltd.
- Tsuyoshi Imamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development roller including a development sleeve, surface treatmen...
- Patent number 8,175,501
- Issue date May 8, 2012
- Ricoh Company, Ltd.
- Noriyuki Kamiya
- B24 - GRINDING POLISHING
Information Patent Grant
Magnet roller and method for the same, magnetic particle-support me...
- Patent number 8,023,867
- Issue date Sep 20, 2011
- Ricoh Company, Ltd.
- Yoshiyuki Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic particle carrying device, and developing unit, process car...
- Patent number 7,899,374
- Issue date Mar 1, 2011
- Ricoh Company, Ltd.
- Hiroya Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of manufacturing a hollow body used in an image forming appa...
- Patent number 7,891,094
- Issue date Feb 22, 2011
- Ricoh Company, Ltd.
- Tsuyoshi Imamura
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Developer holding member, development device, process cartridge, im...
- Patent number 7,664,441
- Issue date Feb 16, 2010
- Ricoh Company, Ltd.
- Tsuyoshi Imamura
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Magnet compound material to be compression molded, a molded elongat...
- Patent number 7,572,388
- Issue date Aug 11, 2009
- Ricoh Company, Ltd.
- Satoshi Terashima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Long magnet, production method thereof, magnet roller and image for...
- Patent number 7,366,454
- Issue date Apr 29, 2008
- Ricoh Company, Limited
- Makoto Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Developer-carrying member having improved transportability, a devel...
- Patent number 7,356,295
- Issue date Apr 8, 2008
- Ricoh Co., Ltd.
- Tsuyoshi Imamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development magnet roller, development device, process cartridge an...
- Patent number 7,352,983
- Issue date Apr 1, 2008
- Ricoh Company, Ltd.
- Noriyuki Kamiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a detachable cartridge including a p...
- Patent number 7,272,342
- Issue date Sep 18, 2007
- Ricoh Co., Ltd.
- Hiroyuki Nagashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for image forming capable of performing a stab...
- Patent number 7,228,093
- Issue date Jun 5, 2007
- Ricoh Company, Ltd.
- Kiyotaka Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 7,212,773
- Issue date May 1, 2007
- Ricoh Company, Ltd.
- Kazuhisa Sudo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing roller, developing apparatus, process cartridge, and ima...
- Patent number 7,203,450
- Issue date Apr 10, 2007
- Ricoh Company, Ltd.
- Mieko Kakegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and developing device therefor
- Patent number 7,189,338
- Issue date Mar 13, 2007
- Ricoh Company, Ltd.
- Sumio Kamoi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Developing device and process cartridge with predetermined magnetic...
- Patent number 7,127,199
- Issue date Oct 24, 2006
- Ricoh Company, Ltd.
- Tsuyoshi Imamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and an image forming apparatus including the same
- Patent number 7,027,761
- Issue date Apr 11, 2006
- Ricoh Company, Ltd.
- Kyohta Koetsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device using a developing roller and image forming appar...
- Patent number 6,697,593
- Issue date Feb 24, 2004
- Ricoh Company, Ltd.
- Tsuyoshi Imamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and developing apparatus preventing uneven...
- Patent number 6,522,855
- Issue date Feb 18, 2003
- Ricoh Company, Ltd.
- Shunji Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and developing device with improved self to...
- Patent number 6,337,957
- Issue date Jan 8, 2002
- Ricoh Company, Ltd.
- Shinji Tamaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and magnet roller for developing device
- Patent number 6,330,415
- Issue date Dec 11, 2001
- Ricoh Company, Ltd.
- Tsuyoshi Imamura
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Developing device with improved developer circulation and toner den...
- Patent number 6,198,895
- Issue date Mar 6, 2001
- Ricoh Company, Ltd.
- Kiyonori Tsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and developing roller therefor
- Patent number 6,112,042
- Issue date Aug 29, 2000
- Ricoh Company, Ltd.
- Tsuyoshi Imamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and developing roller therefor
- Patent number 6,070,038
- Issue date May 30, 2000
- Ricoh Company, Ltd.
- Tsuyoshi Imamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cylindrical structural body for use in an image forming apparatus a...
- Patent number 5,970,294
- Issue date Oct 19, 1999
- Ricoh Company, Ltd.
- Kenji Narita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Developing roller of monocomponent developing system
- Patent number 5,244,741
- Issue date Sep 14, 1993
- Ricoh Company, Ltd.
- Hisatsugu Nagano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DEVELOPMENT ROLLER INCLUDING A DEVELOPMENT SLEEVE, SURFACE TREATMEN...
- Publication number 20110142501
- Publication date Jun 16, 2011
- Noriyuki Kamiya
- B24 - GRINDING POLISHING
Information Patent Application
MAGNETIC PARTICLE CARRYING DEVICE, AND DEVELOPING UNIT, PROCESS CAR...
- Publication number 20110130074
- Publication date Jun 2, 2011
- Hiroya ABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD OF MANUFACTURING A HOLLOW BODY USED IN AN IMAGE FORMING APPA...
- Publication number 20100077588
- Publication date Apr 1, 2010
- Tsuyoshi Imamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Magnetic roller and manufacturing method thereof, developer carrier...
- Publication number 20080298849
- Publication date Dec 4, 2008
- Tsuyoshi Imamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
MAGNET ROLLER, DEVELOPING AGENT CARRIER, DEVELOPING UNIT, PROCESS C...
- Publication number 20080232865
- Publication date Sep 25, 2008
- Mieko TERASHIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
MAGNET ROLLER AND METHOD FOR THE SAME, MAGNETIC PARTICLE-SUPPORT ME...
- Publication number 20080213007
- Publication date Sep 4, 2008
- Yoshiyuki TAKANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
MAGNETIC PARTICLE CARRYING DEVICE, AND DEVELOPING UNIT, PROCESS CAR...
- Publication number 20080170891
- Publication date Jul 17, 2008
- Hiroya ABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER HOLDING MEMBER, DEVELOPMENT DEVICE, PROCESS CARTRIDGE, IM...
- Publication number 20080008503
- Publication date Jan 10, 2008
- Tsuyoshi Imamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20070127952
- Publication date Jun 7, 2007
- Mieko Terashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Development roller, surface treatment device and wire member
- Publication number 20070059047
- Publication date Mar 15, 2007
- Noriyuki Kamiya
- B24 - GRINDING POLISHING
Information Patent Application
Magnet compound material to be compression molded, a molded elongat...
- Publication number 20070036590
- Publication date Feb 15, 2007
- Satoshi Terashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus having a detachable cartridge including a p...
- Publication number 20060275053
- Publication date Dec 7, 2006
- Hiroyuki Nagashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer-carrying member having improved transportability, a devel...
- Publication number 20060193660
- Publication date Aug 31, 2006
- Tsuyoshi Imamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method and apparatus for image forming capable of performing a stab...
- Publication number 20050281589
- Publication date Dec 22, 2005
- Kiyotaka Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing roller, developing apparatus, process cartridge, and ima...
- Publication number 20050135843
- Publication date Jun 23, 2005
- Mieko Kakegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20050111882
- Publication date May 26, 2005
- Kazuhisa Sudo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Development magnet roller, development device, process cartridge an...
- Publication number 20050063738
- Publication date Mar 24, 2005
- Noriyuki Kamiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus having a detachable cartridge including a p...
- Publication number 20050031374
- Publication date Feb 10, 2005
- Hiroyuki Nagashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Long magnet, production method thereof, magnet roller and image for...
- Publication number 20040258436
- Publication date Dec 23, 2004
- Makoto Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Developing device and an image forming apparatus including the same
- Publication number 20040234299
- Publication date Nov 25, 2004
- Kyohta Koetsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and developing device therefor
- Publication number 20040113118
- Publication date Jun 17, 2004
- Sumio Kamoi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Developing device for an image forming apparatus and process cartri...
- Publication number 20040018031
- Publication date Jan 29, 2004
- Tsuyoshi Imamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device using a developing roller and image forming appar...
- Publication number 20020114647
- Publication date Aug 22, 2002
- Tsuyoshi Imamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Tsuyoshi Imamura

Person

Patents Grantslast 30 patents

Magnetic particle carrying device, and developing unit, process car...

Magnetic roller and manufacturing method thereof, developer carrier...

Development roller including a development sleeve, surface treatmen...

Magnet roller and method for the same, magnetic particle-support me...

Magnetic particle carrying device, and developing unit, process car...

Method of manufacturing a hollow body used in an image forming appa...

Developer holding member, development device, process cartridge, im...

Magnet compound material to be compression molded, a molded elongat...

Long magnet, production method thereof, magnet roller and image for...

Developer-carrying member having improved transportability, a devel...

Development magnet roller, development device, process cartridge an...

Image forming apparatus having a detachable cartridge including a p...

Method and apparatus for image forming capable of performing a stab...

Image forming apparatus

Developing roller, developing apparatus, process cartridge, and ima...

Image forming apparatus and developing device therefor

Developing device and process cartridge with predetermined magnetic...

Developing device and an image forming apparatus including the same

Developing device using a developing roller and image forming appar...

Image forming apparatus and developing apparatus preventing uneven...

Image forming apparatus and developing device with improved self to...

Developing device and magnet roller for developing device

Developing device with improved developer circulation and toner den...

Developing device and developing roller therefor

Developing device and developing roller therefor

Cylindrical structural body for use in an image forming apparatus a...

Developing roller of monocomponent developing system

Patents Applicationslast 30 patents

DEVELOPMENT ROLLER INCLUDING A DEVELOPMENT SLEEVE, SURFACE TREATMEN...

MAGNETIC PARTICLE CARRYING DEVICE, AND DEVELOPING UNIT, PROCESS CAR...

METHOD OF MANUFACTURING A HOLLOW BODY USED IN AN IMAGE FORMING APPA...

Magnetic roller and manufacturing method thereof, developer carrier...

MAGNET ROLLER, DEVELOPING AGENT CARRIER, DEVELOPING UNIT, PROCESS C...

MAGNET ROLLER AND METHOD FOR THE SAME, MAGNETIC PARTICLE-SUPPORT ME...

MAGNETIC PARTICLE CARRYING DEVICE, AND DEVELOPING UNIT, PROCESS CAR...

DEVELOPER HOLDING MEMBER, DEVELOPMENT DEVICE, PROCESS CARTRIDGE, IM...

DEVELOPMENT DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

Development roller, surface treatment device and wire member

Magnet compound material to be compression molded, a molded elongat...

Image forming apparatus having a detachable cartridge including a p...

Developer-carrying member having improved transportability, a devel...

Method and apparatus for image forming capable of performing a stab...

Developing roller, developing apparatus, process cartridge, and ima...

Image forming apparatus

Development magnet roller, development device, process cartridge an...

Image forming apparatus having a detachable cartridge including a p...

Long magnet, production method thereof, magnet roller and image for...

Developing device and an image forming apparatus including the same

Image forming apparatus and developing device therefor

Developing device for an image forming apparatus and process cartri...

Developing device using a developing roller and image forming appar...