Ikutaroh Nagatsuka

Person

Ebina-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Information processing device and method, and data communication sy...
- Patent number 8,089,647
- Issue date Jan 3, 2012
- Fuji Xerox Co., Ltd.
- Hiroyuki Hotta
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming apparatus with members that bring a light emitting de...
- Patent number 7,924,238
- Issue date Apr 12, 2011
- Fuji Xerox Co., Ltd.
- Yasunori Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electronic paper system, image processing apparatus for electronic...
- Patent number 7,920,112
- Issue date Apr 5, 2011
- Fuji Xerox Co., Ltd.
- Yoko Kurihara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
System for writing information and method of writing information
- Patent number 7,857,203
- Issue date Dec 28, 2010
- Fuji Xerox Co., Ltd.
- Ikutaroh Nagatsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Coin-shaped recording medium, recording medium processing device
- Patent number 7,793,847
- Issue date Sep 14, 2010
- Omron Corporation
- Takeshi Kakinuma
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
System for writing information and method of writing information
- Patent number 7,578,429
- Issue date Aug 25, 2009
- Fuji Xerox Co., Ltd.
- Ikutaroh Nagatsuka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multi-level optical writer
- Patent number 7,576,760
- Issue date Aug 18, 2009
- Fuji Xerox Co., Ltd.
- Minoru Koshimizu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Information management system and information management method
- Patent number 7,533,104
- Issue date May 12, 2009
- Fuji Xerox Co., Ltd.
- Yoshitsugu Hirose
- G11 - INFORMATION STORAGE
Information Patent Grant
Printed-matter issuing managing system, printed-matter verifying de...
- Patent number 7,455,216
- Issue date Nov 25, 2008
- Fuji Xerox Co., Ltd.
- Ikutaroh Nagatsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Display system with a display having a memory characteristic and a...
- Patent number 7,225,403
- Issue date May 29, 2007
- Fuji Xerox Co., Ltd.
- Ikutaroh Nagatsuka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image-forming device and method
- Patent number 7,219,973
- Issue date May 22, 2007
- Fuji Xerox Co., Ltd.
- Ikutaroh Nagatsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Display and record medium and information writer
- Patent number 6,908,036
- Issue date Jun 21, 2005
- Fuji Xerox Co., Ltd.
- Minoru Koshimizu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and device for developing an electrostatic latent image base...
- Patent number 5,963,765
- Issue date Oct 5, 1999
- Fuji Xerox Co., Ltd.
- Kei Hirata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Rotating type developing apparatus
- Patent number 5,752,141
- Issue date May 12, 1998
- Fuji Xerox Co., Ltd.
- Masayuki Nishimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic image developing carrier and electrostatic image deve...
- Patent number 5,629,120
- Issue date May 13, 1997
- Fuji Xerox Co., Ltd.
- Manabu Serizawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic toner and process for producing the same
- Patent number 5,439,772
- Issue date Aug 8, 1995
- Fuji Xerox Co., Ltd.
- Seiichi Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic toner
- Patent number 5,178,984
- Issue date Jan 12, 1993
- Fuji Xerox Co., Ltd.
- Ikutaroh Nagatsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic toner having a surface treated silica particle
- Patent number 5,176,979
- Issue date Jan 5, 1993
- Fuji Xerox Co., Ltd.
- Atuhiko Eguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner composition containing TiO.sub.2 particles
- Patent number 5,155,000
- Issue date Oct 13, 1992
- Fuji Xerox Co., Ltd.
- Yasuo Matsumura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for developer
- Patent number 5,110,703
- Issue date May 5, 1992
- Fuji Xerox Co., Ltd.
- Ikutaroh Nagatsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner composition with polyethylene and inorganic external additive
- Patent number 5,106,715
- Issue date Apr 21, 1992
- Fuji Xerox Co., Ltd.
- Yasuo Matsumura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for developer
- Patent number 5,059,504
- Issue date Oct 22, 1991
- Fuji Xerox Co., Ltd.
- Masayoshi Shinoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier of a magnetic powder dispersed type
- Patent number 5,013,626
- Issue date May 7, 1991
- Fuji Xerox Co., Ltd.
- Yasuo Matsumura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic developer carrier particles coated with binder...
- Patent number 4,965,160
- Issue date Oct 23, 1990
- Fuji Xerox Co., Ltd.
- Ikutaroh Nagatsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Coated carrier for developer
- Patent number 4,929,528
- Issue date May 29, 1990
- Fuji Xerox Co., Ltd.
- Masayoshi Shinoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for developer
- Patent number 4,912,004
- Issue date Mar 27, 1990
- Fuji Xerox Co., Ltd.
- Ikutaroh Nagatsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for electrophotographic developer
- Patent number 4,902,597
- Issue date Feb 20, 1990
- Fuji Xerox Co., Ltd.
- Masayuki Takeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for electrophotographic developer
- Patent number 4,871,639
- Issue date Oct 3, 1989
- Fuji Xerox Co., Ltd.
- Takayoshi Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer carrier and process for producing the same
- Patent number 4,868,083
- Issue date Sep 19, 1989
- Fuji Xerox Co., Ltd.
- Ikutaroh Nagatsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for producing carriers for developer
- Patent number 4,861,694
- Issue date Aug 29, 1989
- Fuji Xerox Co., Ltd.
- Takayoshi Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
System for writing information and method of writing information
- Publication number 20090255985
- Publication date Oct 15, 2009
- FUJI XEROX CO., LTD
- Ikutaroh Nagatsuka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Display control device, computer, image display device, and image d...
- Publication number 20070229393
- Publication date Oct 4, 2007
- FUJI XEROX CO., LTD
- Tsutomu Ishii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic paper system, log management apparatus, information proc...
- Publication number 20070211314
- Publication date Sep 13, 2007
- FUJI XEROX CO., LTD
- Yasunori Saito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Electronic paper system, image processing apparatus for electronic...
- Publication number 20070058178
- Publication date Mar 15, 2007
- FUJI XEROX CO., LTD
- Yoko Kurihara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Electronic paper system, control apparatus and method for electroni...
- Publication number 20070061337
- Publication date Mar 15, 2007
- FUJI XEROX CO., LTD
- Yasunori Saito
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image forming apparatus
- Publication number 20060251380
- Publication date Nov 9, 2006
- FUJI XEROX CO., LTD
- Yasunori Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Multi-level optical writer
- Publication number 20060244698
- Publication date Nov 2, 2006
- FUJI XEROX CO., LTD
- Minoru Koshimizu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Coin-shaped recording medium, recording medium processing device
- Publication number 20060003842
- Publication date Jan 5, 2006
- Omron Corporation
- Takeshi Kakinuma
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Image writing apparatus, connector and display record medium
- Publication number 20050280627
- Publication date Dec 22, 2005
- Fuji Xerox co., LTD.
- Minoru Koshimizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Information processing device, data communication system and inform...
- Publication number 20050207677
- Publication date Sep 22, 2005
- FUJI XEROX CO., LTD
- Hiroyuki Hotta
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Information management system and information management method
- Publication number 20050207727
- Publication date Sep 22, 2005
- FUJI XEROX CO., LTD
- Yoshitsugu Hirose
- G11 - INFORMATION STORAGE
Information Patent Application
Delivery system and delivery method
- Publication number 20050209980
- Publication date Sep 22, 2005
- FUJI XEROX CO., LTD
- Tsutomu Ishii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Display system, display method, and display program
- Publication number 20040196210
- Publication date Oct 7, 2004
- FUJI XEROX CO., LTD
- Ikutaroh Nagatsuka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System for writing information and method of writing information
- Publication number 20040189614
- Publication date Sep 30, 2004
- FUJI XEROX CO., LTD
- Ikutaroh Nagatsuka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Display control device, computer, image display device, and image d...
- Publication number 20040155833
- Publication date Aug 12, 2004
- FUJI XEROX CO., LTD
- Tsutomu Ishii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image-forming device and method
- Publication number 20040130699
- Publication date Jul 8, 2004
- FUJI XEROX CO., LTD
- Ikutaroh Nagatsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Display and record medium and information writer
- Publication number 20040046036
- Publication date Mar 11, 2004
- FUJI XEROX CO., LTD
- Minoru Koshimizu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Printed-matter issuing managing system, printed-matter verifying de...
- Publication number 20030217274
- Publication date Nov 20, 2003
- FUJI XEROX CO., LTD
- Ikutaroh Nagatsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Ikutaroh Nagatsuka

Person

Patents Grantslast 30 patents

Information processing device and method, and data communication sy...

Image forming apparatus with members that bring a light emitting de...

Electronic paper system, image processing apparatus for electronic...

System for writing information and method of writing information

Coin-shaped recording medium, recording medium processing device

System for writing information and method of writing information

Multi-level optical writer

Information management system and information management method

Printed-matter issuing managing system, printed-matter verifying de...

Display system with a display having a memory characteristic and a...

Image-forming device and method

Display and record medium and information writer

Method and device for developing an electrostatic latent image base...

Rotating type developing apparatus

Electrostatic image developing carrier and electrostatic image deve...

Magnetic toner and process for producing the same

Electrophotographic toner

Electrophotographic toner having a surface treated silica particle

Toner composition containing TiO.sub.2 particles

Carrier for developer

Toner composition with polyethylene and inorganic external additive

Carrier for developer

Carrier of a magnetic powder dispersed type

Electrophotographic developer carrier particles coated with binder...

Coated carrier for developer

Carrier for developer

Carrier for electrophotographic developer

Carrier for electrophotographic developer

Developer carrier and process for producing the same

Process for producing carriers for developer

Patents Applicationslast 30 patents

System for writing information and method of writing information

Display control device, computer, image display device, and image d...

Electronic paper system, log management apparatus, information proc...

Electronic paper system, image processing apparatus for electronic...

Electronic paper system, control apparatus and method for electroni...

Image forming apparatus

Multi-level optical writer

Coin-shaped recording medium, recording medium processing device

Image writing apparatus, connector and display record medium

Information processing device, data communication system and inform...

Information management system and information management method

Delivery system and delivery method

Display system, display method, and display program

System for writing information and method of writing information

Display control device, computer, image display device, and image d...

Image-forming device and method

Display and record medium and information writer

Printed-matter issuing managing system, printed-matter verifying de...