Yasutaka Maeda

Person

Soraku-gun, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus having humidity detection and toner concent...
- Patent number 6,353,716
- Issue date Mar 5, 2002
- Sharp Kabushiki Kaisha
- Makoto Uehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive body for electrophotographical use and manufacturing...
- Patent number 6,258,500
- Issue date Jul 10, 2001
- Sharp Kabushiki Kaisha
- Hideaki Taniguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image formation apparatus and image formation method
- Patent number 6,240,271
- Issue date May 29, 2001
- Sharp Kabushiki Kaisha
- Yoichi Shimazawa
- G06 - COMPUTING CALCULATING COUNTING
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
Photosensitive body for electrophotographical use and manufacturing...
- Patent number 6,180,300
- Issue date Jan 30, 2001
- Sharp Kabushiki Kaisha
- Hideaki Taniguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive body for electrophotographical use and manufacturing...
- Patent number 6,180,299
- Issue date Jan 30, 2001
- Sharp Kabushiki Kaisha
- Hideaki Taniguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device having a reduced width in the horizontal direction
- Patent number 6,035,168
- Issue date Mar 7, 2000
- Sharp Kabushiki Kaisha
- Jitsuo Masuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive body for electrophotographical use and manufacturing...
- Patent number 6,033,815
- Issue date Mar 7, 2000
- Sharp Kabushiki Kaisha
- Hideaki Taniguchi
- 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 formation apparatus and image formation method
- Patent number 5,915,074
- Issue date Jun 22, 1999
- Sharp Kabushiki Kaisha
- Yoichi Shimazawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Photosensitive body for electrophotographical use and manufacturing...
- Patent number 5,773,175
- Issue date Jun 30, 1998
- Sharp Kabushiki Kaisha
- Hideaki Taniguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having an image-quality correction function
- Patent number 5,477,308
- Issue date Dec 19, 1995
- Sharp Kabushiki Kaisha
- Kazuyuki Ohnishi
- 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
Electrophotographic apparatus with reduced contamination from toner...
- Patent number 5,245,387
- Issue date Sep 14, 1993
- Sharp Kabushiki Kaisha
- Takashi Kubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having intermediate transfer member
- Patent number 5,237,374
- Issue date Aug 17, 1993
- Sharp Kabushiki Kaisha
- Yukihiko Ueno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image adjusting apparatus having a controlled the voltage applied t...
- Patent number 5,233,391
- Issue date Aug 3, 1993
- Sharp Kabushiki Kaisha
- Kazuyuki Ohnishi
- 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
Transfer unit
- Patent number 5,194,902
- Issue date Mar 16, 1993
- Sharp Kabushiki Kaisha
- Taisuke Kamimura
- 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
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
Electrophotographic apparatus with variable bias voltage
- Patent number 4,990,961
- Issue date Feb 5, 1991
- Sharp Kabushiki Kaisha
- Yukihiko Ueno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copying apparatus
- Patent number 4,952,986
- Issue date Aug 28, 1990
- Sharp Kabushiki Kaisha
- Yasutaka Maeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus capable of detecting, analyzing and display...
- Patent number 4,943,834
- Issue date Jul 24, 1990
- Sharp Kabushiki Kaisha
- Yasutaka Maeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light source device for use in a copying machine
- Patent number 4,937,616
- Issue date Jun 26, 1990
- Sharp Kabushiki Kaisha
- Yasutaka Maeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color copier operable both in monochromatic and full-color copying...
- Patent number 4,935,787
- Issue date Jun 19, 1990
- Sharp Kabushiki Kaisha
- Yasutaka Maeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yasutaka Maeda

Person

Patents Grantslast 30 patents

Image forming apparatus having humidity detection and toner concent...

Photosensitive body for electrophotographical use and manufacturing...

Image formation apparatus and image formation method

Image forming apparatus

Image forming apparatus with half-tone density control

Photosensitive body for electrophotographical use and manufacturing...

Photosensitive body for electrophotographical use and manufacturing...

Developing device having a reduced width in the horizontal direction

Photosensitive body for electrophotographical use and manufacturing...

Image forming apparatus including image quality compensation means

Image formation apparatus and image formation method

Photosensitive body for electrophotographical use and manufacturing...

Image forming apparatus having an image-quality correction function

Color balance adjusting apparatus for full-color copier

Electrophotographic apparatus with reduced contamination from toner...

Image forming apparatus having intermediate transfer member

Image adjusting apparatus having a controlled the voltage applied t...

Full color copying machine

Black image density correcting device

Transfer unit

Electrophotographic copying apparatus

Electrophotographic apparatus and method of cleaning the same

Transfer roller device

Copying apparatus with moveable screen and method

Electrophotographic apparatus with variable bias voltage

Copying apparatus

Image forming apparatus capable of detecting, analyzing and display...

Light source device for use in a copying machine

Color copier operable both in monochromatic and full-color copying...