Katsuhiro Nagayama

Person

Nara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image processing unit, image forming apparatus, image processing me...
- Patent number 10,657,428
- Issue date May 19, 2020
- SHARP KABUSHIKI KAISHA
- Katsuhiro Nagayama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
High speed image forming apparatus and image forming method thereof
- Patent number 8,725,016
- Issue date May 13, 2014
- Sharp Kabushiki Kaisha
- Katsuhiro Nagayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image processing apparatus and image forming apparatus with a toner...
- Patent number 8,625,162
- Issue date Jan 7, 2014
- Sharp Kabushiki Kaisha
- Norihide Yasuoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 8,264,755
- Issue date Sep 11, 2012
- Sharp Kabushiki Kaisha
- Katsuhiro Nagayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 8,078,069
- Issue date Dec 13, 2011
- Sharp Kabushiki Kaisha
- Masayuki Otsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method for suppressing fl...
- Patent number 8,019,242
- Issue date Sep 13, 2011
- Sharp Kabushiki Kaisha
- Takashi Kitagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and method for controlling image forming ap...
- Patent number 7,920,801
- Issue date Apr 5, 2011
- Sharp Kabushiki Kaisha
- Masayuki Otsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 7,889,365
- Issue date Feb 15, 2011
- Sharp Kabushiki Kaisha
- Takashi Kitagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus, image forming method, program, and recordi...
- Patent number 7,880,927
- Issue date Feb 1, 2011
- Sharp Kabushiki Kaisha
- Takashi Usui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus and toner supply control program for the same
- Patent number 7,657,194
- Issue date Feb 2, 2010
- Sharp Kabushiki Kaisha
- Tatsuya Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,223,007
- Issue date Apr 24, 2001
- Sharp Kabushiki Kaisha
- Takashi Kitagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus with half-tone density control
- Patent number 6,215,968
- Issue date Apr 10, 2001
- Sharp Kabushiki Kaisha
- Makoto Uehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus
- Patent number 6,160,972
- Issue date Dec 12, 2000
- Sharp Kabushiki Kaisha
- Fumio Shimazu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including image quality compensation means
- Patent number 5,987,272
- Issue date Nov 16, 1999
- Sharp Kabushiki Kaisha
- Yasutaka Maeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with a toner density measuring function
- Patent number 5,953,554
- Issue date Sep 14, 1999
- Sharp Kabushiki Kaisha
- Kazuyuki Ohnishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image stabilizing method for use in an image forming apparatus
- Patent number 5,826,136
- Issue date Oct 20, 1998
- Sharp Kabushiki Kaisha
- Hideji Saiko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image stabilizer
- Patent number 5,734,948
- Issue date Mar 31, 1998
- Sharp Kabushiki Kaisha
- Katsuhiro Nagayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color balance adjusting apparatus for full-color copier
- Patent number 5,343,282
- Issue date Aug 30, 1994
- Sharp Kabushiki Kaisha
- Yuichi Kazaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Full color copying machine
- Patent number 5,204,729
- Issue date Apr 20, 1993
- Sharp Kabushiki Kaisha
- Yasutaka Maeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Black image density correcting device
- Patent number 5,200,783
- Issue date Apr 6, 1993
- Sharp Kabushiki Kaisha
- Yasutaka Maeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic copying apparatus
- Patent number 5,164,782
- Issue date Nov 17, 1992
- Sharp Kabushiki Kaisha
- Katsuhiro Nagayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning structure for moving image retainer for use in an image fo...
- Patent number 5,107,303
- Issue date Apr 21, 1992
- Sharp Kabushiki Kaisha
- Tsuyoshi Miyamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus and method of cleaning the same
- Patent number 5,103,266
- Issue date Apr 7, 1992
- Sharp Kabushiki Kaisha
- Tsuyoshi Miyamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer roller device
- Patent number 5,075,731
- Issue date Dec 24, 1991
- Sharp Kabushiki Kaisha
- Taisuke Kamimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copying apparatus with moveable screen and method
- Patent number 5,055,877
- Issue date Oct 8, 1991
- Sharp Kabushiki Kaisha
- Yasutaka Maeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heat control for photoreceptor
- Patent number 5,019,862
- Issue date May 28, 1991
- Sharp Kabushiki Kaisha
- Masatsugu Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor comprising amorphous silicon laye...
- Patent number 4,910,111
- Issue date Mar 20, 1990
- Sharp Kabushiki Kaisha
- Kazuki Wakita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE PROCESSING UNIT, IMAGE FORMING APPARATUS, IMAGE PROCESSING ME...
- Publication number 20180060710
- Publication date Mar 1, 2018
- Sharp Kabushiki Kaisha
- Katsuhiro NAGAYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD THEREOF
- Publication number 20120020687
- Publication date Jan 26, 2012
- Sharp Kabushiki Kaisha
- Katsuhiro NAGAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROCESSING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20110317221
- Publication date Dec 29, 2011
- Norihide YASUOKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE DENSITY CONTROL METHOD, CONTROL PROG...
- Publication number 20110182604
- Publication date Jul 28, 2011
- Masayuki OTSUKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20090284770
- Publication date Nov 19, 2009
- Katsuhiro NAGAYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image forming apparatus and method for controlling image forming ap...
- Publication number 20090252516
- Publication date Oct 8, 2009
- Sharp Kabushiki Kaisha
- Masayuki Otsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20090041484
- Publication date Feb 12, 2009
- Takashi KITAGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and image forming method
- Publication number 20090010670
- Publication date Jan 8, 2009
- Sharp Kabushiki Kaisha
- Masayuki Otsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20080170250
- Publication date Jul 17, 2008
- Sharp Kabushiki Kaisha
- Takashi Kitagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image forming apparatus and toner supply control program for the same
- Publication number 20080080878
- Publication date Apr 3, 2008
- Sharp Kabushiki Kaisha
- Tatsuya Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, image forming method, program, and recordi...
- Publication number 20080055620
- Publication date Mar 6, 2008
- Sharp Kabushiki Kaisha
- Takashi Usui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image forming apparatus
- Publication number 20060204257
- Publication date Sep 14, 2006
- Sharp Kabushiki Kaisha
- Hiroshi Kawano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Katsuhiro Nagayama

Person

Patents Grantslast 30 patents

Image processing unit, image forming apparatus, image processing me...

High speed image forming apparatus and image forming method thereof

Image processing apparatus and image forming apparatus with a toner...

Image forming apparatus and image forming method

Image forming apparatus and image forming method

Image forming apparatus and image forming method for suppressing fl...

Image forming apparatus and method for controlling image forming ap...

Image forming apparatus

Image forming apparatus, image forming method, program, and recordi...

Image forming apparatus and toner supply control program for the same

Image forming apparatus

Image forming apparatus with half-tone density control

Image forming apparatus

Image forming apparatus including image quality compensation means

Image forming apparatus with a toner density measuring function

Image stabilizing method for use in an image forming apparatus

Image stabilizer

Color balance adjusting apparatus for full-color copier

Full color copying machine

Black image density correcting device

Electrophotographic copying apparatus

Cleaning structure for moving image retainer for use in an image fo...

Electrophotographic apparatus and method of cleaning the same

Transfer roller device

Copying apparatus with moveable screen and method

Heat control for photoreceptor

Electrophotographic photoreceptor comprising amorphous silicon laye...

Patents Applicationslast 30 patents

IMAGE PROCESSING UNIT, IMAGE FORMING APPARATUS, IMAGE PROCESSING ME...

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD THEREOF

IMAGE PROCESSING APPARATUS AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS, IMAGE DENSITY CONTROL METHOD, CONTROL PROG...

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

Image forming apparatus and method for controlling image forming ap...

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

Image forming apparatus and image forming method

Image forming apparatus

Image forming apparatus and toner supply control program for the same

Image forming apparatus, image forming method, program, and recordi...

Image forming apparatus