Koji Takagi

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of producing a conductive roller utilizing a semi-curing step
- Patent number 8,663,748
- Issue date Mar 4, 2014
- Bridgestone Corporation
- Shuyou Akama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing roller, charging roller, conductive roller and method fo...
- Patent number 8,376,922
- Issue date Feb 19, 2013
- Bridgestone Corporation
- Shuyou Akama
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Electrical conductive roller
- Patent number 8,292,791
- Issue date Oct 23, 2012
- Bridgestone Corporation
- Shuyou Akama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Particles for display medium and information display panel using same
- Patent number 8,059,330
- Issue date Nov 15, 2011
- Bridgestone Corporation
- Koji Takagi
- G02 - OPTICS
Information Patent Grant
Developing roller and imaging apparatus using the same
- Patent number 7,912,411
- Issue date Mar 22, 2011
- Bridgestone Corporation
- Koji Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing roller and imaging apparatus using the same
- Patent number 7,907,878
- Issue date Mar 15, 2011
- Bridgestone Corporation
- Koji Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer/transport conductive endless belt for a tandem system, met...
- Patent number 7,809,315
- Issue date Oct 5, 2010
- Bridgestone Corporation
- Takahiro Suzuki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Image display unit
- Patent number 7,705,823
- Issue date Apr 27, 2010
- Bridgestone Corporation
- Norio Nihei
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Particle and device for image display
- Patent number 7,646,530
- Issue date Jan 12, 2010
- Bridgestone Corporation
- Koji Takagi
- G02 - OPTICS
Information Patent Grant
Particles and device for displaying image
- Patent number 7,525,719
- Issue date Apr 28, 2009
- Bridgestone Corporation
- Gaku Yakushiji
- G02 - OPTICS
Information Patent Grant
Image display device and method
- Patent number 7,321,459
- Issue date Jan 22, 2008
- Bridgestone Corporation
- Yoshitomo Masuda
- G02 - OPTICS
Information Patent Grant
Reversible image display sheet and image display
- Patent number 7,224,510
- Issue date May 29, 2007
- Bridgestone Corporation
- Hajime Kitano
- G02 - OPTICS
Information Patent Grant
Toner carrier having a particular Z value, a particular creep value...
- Patent number 6,512,911
- Issue date Jan 28, 2003
- Bridgestone Corporation
- Toshiaki Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner carrier and image-forming apparatus
- Patent number 6,420,012
- Issue date Jul 16, 2002
- Bridgestone Corporation
- Koji Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrically conductive member and image-forming apparatus
- Patent number 6,312,792
- Issue date Nov 6, 2001
- Bridgestone Corporation
- Tokuo Okada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Toner support and image forming apparatus
- Patent number 6,175,709
- Issue date Jan 16, 2001
- Bridgestone Corporation
- Koji Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner carrier and image-forming apparatus
- Patent number 6,108,509
- Issue date Aug 22, 2000
- Bridgestone Corporation
- Tokuo Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing roller and developing apparatus
- Patent number 6,067,434
- Issue date May 23, 2000
- Bridgestone Corporation
- Koji Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Gloss and image forming apparatus
- Patent number 6,058,285
- Issue date May 2, 2000
- Bridgestone Corporation
- Yoshio Takizawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Data disc having both data and data retrieval information stored th...
- Patent number 5,920,541
- Issue date Jul 6, 1999
- Sony Corporation
- Norimasa Sasaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Developing roller and developing apparatus
- Patent number 5,903,808
- Issue date May 11, 1999
- Bridgestone Corporation
- Yoshio Takizawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing roller and apparatus
- Patent number 5,878,313
- Issue date Mar 2, 1999
- Bridgestone Corporation
- Koji Takagi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Loading apparatus for disk cartridge
- Patent number 5,784,351
- Issue date Jul 21, 1998
- Sony Corporation
- Koji Takagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Developing roller employing an elastic layer between conductive sha...
- Patent number 5,697,027
- Issue date Dec 9, 1997
- Bridgestone Corporation
- Koji Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for developing electrostatic latent images using developi...
- Patent number 5,666,626
- Issue date Sep 9, 1997
- Bridgestone Corporation
- Yoshio Takizawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing roller, and method and apparatus for developing latent i...
- Patent number 5,565,968
- Issue date Oct 15, 1996
- Bridgestone Corporation
- Eiji Sawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Recording medium and information reading apparatus
- Patent number 5,548,509
- Issue date Aug 20, 1996
- Sony Corporation
- Koji Takagi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reproducing apparatus having a single microprocessor to perform dat...
- Patent number 5,535,184
- Issue date Jul 9, 1996
- Sony Corporation
- Yoshihiro Miura
- G11 - INFORMATION STORAGE
Information Patent Grant
Reproducing apparatus having a single microprocessor to perform dat...
- Patent number 5,502,695
- Issue date Mar 26, 1996
- Sony Corporation
- Yoshihiro Miura
- G11 - INFORMATION STORAGE
Information Patent Grant
Developing roller and apparatus
- Patent number 5,434,653
- Issue date Jul 18, 1995
- Bridgestone Corporation
- Yoshio Takizawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
PARTICLE FOR DISPLAY MEDIUM AND INFORMATION DISPLAY PANEL USING SAME
- Publication number 20100032698
- Publication date Feb 11, 2010
- BRIDGESTONE CORPORATION
- Koji Takagi
- G02 - OPTICS
Information Patent Application
Electrical Conductive Roller
- Publication number 20080318748
- Publication date Dec 25, 2008
- BRIDGESTONE CORPORATION
- Shuyou Akama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing Roller and Imaging Apparatus Using the Same
- Publication number 20080304874
- Publication date Dec 11, 2008
- Bridgestone Corporation
- Koji Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing Roller, Charging Roller, Conductive Roller and Method fo...
- Publication number 20080292366
- Publication date Nov 27, 2008
- Bridgestone Corporation
- Shuyou Akama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Conductive Roller
- Publication number 20080220179
- Publication date Sep 11, 2008
- Bridgestone Corporation
- Shuyou Akama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Conductive Endless Belt, Method For Producing Same, And Image Formi...
- Publication number 20070286957
- Publication date Dec 13, 2007
- BRIDGESTONE CORPORATION
- Takahiro Suzuki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Developing roller and imaging apparatus using the same
- Publication number 20070177909
- Publication date Aug 2, 2007
- Koji Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image display unit
- Publication number 20060238488
- Publication date Oct 26, 2006
- Norio Nihei
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Image display
- Publication number 20060214906
- Publication date Sep 28, 2006
- Bridgestone Corporation
- Taichi Kobayashi
- G02 - OPTICS
Information Patent Application
Image display device
- Publication number 20060209008
- Publication date Sep 21, 2006
- Bridgestone Corporation
- Norio Nihei
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Particle for image display and its apparatus
- Publication number 20060087718
- Publication date Apr 27, 2006
- Bridgestone Corporation
- Koji Takagi
- G02 - OPTICS
Information Patent Application
Image display apparatus and method
- Publication number 20060033849
- Publication date Feb 16, 2006
- Yoshitomo Masuda
- G02 - OPTICS
Information Patent Application
Image display
- Publication number 20050259068
- Publication date Nov 24, 2005
- Norio Nihei
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Reversible image display sheet and image display
- Publication number 20050052402
- Publication date Mar 10, 2005
- Hajime Kitano
- G02 - OPTICS
Information Patent Application
Particles and device for displaying image
- Publication number 20050001810
- Publication date Jan 6, 2005
- Gaku Yakushiji
- G02 - OPTICS
Information Patent Application
Toner carrier and image formation apparatus using same
- Publication number 20020031378
- Publication date Mar 14, 2002
- Bridgestone Corporation
- Toshiaki Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Koji Takagi

Person

Patents Grantslast 30 patents

Method of producing a conductive roller utilizing a semi-curing step

Developing roller, charging roller, conductive roller and method fo...

Electrical conductive roller

Particles for display medium and information display panel using same

Developing roller and imaging apparatus using the same

Developing roller and imaging apparatus using the same

Transfer/transport conductive endless belt for a tandem system, met...

Image display unit

Particle and device for image display

Particles and device for displaying image

Image display device and method

Reversible image display sheet and image display

Toner carrier having a particular Z value, a particular creep value...

Toner carrier and image-forming apparatus

Electrically conductive member and image-forming apparatus

Toner support and image forming apparatus

Toner carrier and image-forming apparatus

Developing roller and developing apparatus

Gloss and image forming apparatus

Data disc having both data and data retrieval information stored th...

Developing roller and developing apparatus

Developing roller and apparatus

Loading apparatus for disk cartridge

Developing roller employing an elastic layer between conductive sha...

Apparatus for developing electrostatic latent images using developi...

Developing roller, and method and apparatus for developing latent i...

Recording medium and information reading apparatus

Reproducing apparatus having a single microprocessor to perform dat...

Reproducing apparatus having a single microprocessor to perform dat...

Developing roller and apparatus

Patents Applicationslast 30 patents

PARTICLE FOR DISPLAY MEDIUM AND INFORMATION DISPLAY PANEL USING SAME

Electrical Conductive Roller

Developing Roller and Imaging Apparatus Using the Same

Developing Roller, Charging Roller, Conductive Roller and Method fo...

Conductive Roller

Conductive Endless Belt, Method For Producing Same, And Image Formi...

Developing roller and imaging apparatus using the same

Image display unit

Image display

Image display device

Particle for image display and its apparatus

Image display apparatus and method

Image display

Reversible image display sheet and image display

Particles and device for displaying image

Toner carrier and image formation apparatus using same