Masahiko Matsunawa

Person

Ome, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Color image forming apparatus with photoreceptor protector
- Patent number 5,486,898
- Issue date Jan 23, 1996
- Konica Corporation
- Yozo Fujii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image processing apparatus capable of discriminating between...
- Patent number 5,357,354
- Issue date Oct 18, 1994
- Konica Corporation
- Masahiko Matsunawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing method and apparatus
- Patent number 5,259,041
- Issue date Nov 2, 1993
- Konica Corporation
- Hiroshi Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus capable of detecting marked region
- Patent number 5,216,498
- Issue date Jun 1, 1993
- Konica Corporation
- Masahiko Matsunawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color image processing apparatus provided with an image discriminat...
- Patent number 5,208,663
- Issue date May 4, 1993
- Konica Corporation
- Seiichiro Hiratsuka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Color image processing apparatus with digital color signal compress...
- Patent number 5,119,184
- Issue date Jun 2, 1992
- Konica Corporation
- Seiichiro Hiratsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital color image processing apparatus
- Patent number 5,053,867
- Issue date Oct 1, 1991
- Konica Corporation
- Hiroyuki Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus capable of enlarging/reducing apparatus
- Patent number 5,029,017
- Issue date Jul 2, 1991
- Konishiroku Photo Industry Co., Ltd.
- Yoshinori Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for color processing specifically inside or outside a det...
- Patent number 5,016,096
- Issue date May 14, 1991
- Konica Corporation
- Masahiko Matsunawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processor with improved discrimination between character imag...
- Patent number 5,001,576
- Issue date Mar 19, 1991
- Konica Corporation
- Kazuyoshi Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing technique for processing digital color image infor...
- Patent number 4,980,758
- Issue date Dec 25, 1990
- Konica Corporation
- Masahiko Matsunawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus
- Patent number 4,980,760
- Issue date Dec 25, 1990
- Konica Corporation
- Seiichiro Hiratsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image processing apparatus
- Patent number 4,953,229
- Issue date Aug 28, 1990
- Konishiroku Photo Industry Co., Ltd.
- Yoshinori Abe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color image processing device having ability to process and record...
- Patent number 4,937,662
- Issue date Jun 26, 1990
- Konica Corporation
- Masahiko Matsunawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing system with capability of enlarging and reducing o...
- Patent number 4,920,571
- Issue date Apr 24, 1990
- Konishiroku Photo Industry Co., Ltd.
- Yoshinori Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for processing halftone image
- Patent number 4,903,142
- Issue date Feb 20, 1990
- Konica Corporation
- Takashi Hasebe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Technique for reproducing an image read from a color original
- Patent number 4,879,595
- Issue date Nov 7, 1989
- Konishiroku Photo Industry Co., Ltd.
- Hiroshi Niki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color image processing apparatus
- Patent number 4,864,357
- Issue date Sep 5, 1989
- Konica Corporation
- Masahiko Matsunawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color image processing apparatus
- Patent number 4,841,361
- Issue date Jun 20, 1989
- Konica Corporation
- Masahiko Matsunawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Continuous image estimation method
- Patent number 4,841,377
- Issue date Jun 20, 1989
- Konishiroku Photo Industry Co., Ltd.
- Seiichiro Hiratsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Shading correcting method enabling prevention of effect of noise an...
- Patent number 4,841,376
- Issue date Jun 20, 1989
- Konishiroku Photo Industry Co., Ltd.
- Hiroyuki Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Solid state image reading device with sensors adhered to plate whic...
- Patent number 4,835,600
- Issue date May 30, 1989
- Konishiroku Photo Industry Co., Ltd.
- Kiyoshi Harada
- G02 - OPTICS
Information Patent Grant
Technique for interpolating a color image for image enlargement or...
- Patent number 4,833,531
- Issue date May 23, 1989
- Konishiroku Photo Industry Co., Ltd.
- Yoshinori Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing method and image forming apparatus
- Patent number 4,825,246
- Issue date Apr 25, 1989
- Konishiroku Photo Industry Co., Ltd.
- Masakazu Fukuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image reading device
- Patent number 4,814,895
- Issue date Mar 21, 1989
- Konishroku Photo Industry Co., Ltd.
- Kiyoshi Harada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Halftone image estimation methods for dither images
- Patent number 4,803,558
- Issue date Feb 7, 1989
- Konishiroku Photo Industry Co., Ltd.
- Seiichiro Hiratsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing method and apparatus therefor
- Patent number 4,783,838
- Issue date Nov 8, 1988
- Konishiroku Photo Industry Co., Ltd.
- Masahiko Matsunawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image reader
- Patent number 4,774,591
- Issue date Sep 27, 1988
- Konishiroku Photo Industry Co., Ltd.
- Masahiko Matsunawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods of compressing and reproducing color image data
- Patent number 4,768,082
- Issue date Aug 30, 1988
- Konishiroku Photo Industry Co., Ltd.
- Seiichiro Hiratsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for estimating halftone image from binary image
- Patent number 4,758,897
- Issue date Jul 19, 1988
- Konishiroku Photo Industry Co., Ltd.
- Seiichiro Hiratsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Masahiko Matsunawa

Person

Patents Grantslast 30 patents

Color image forming apparatus with photoreceptor protector

Color image processing apparatus capable of discriminating between...

Image processing method and apparatus

Image processing apparatus capable of detecting marked region

Color image processing apparatus provided with an image discriminat...

Color image processing apparatus with digital color signal compress...

Digital color image processing apparatus

Image processing apparatus capable of enlarging/reducing apparatus

Apparatus for color processing specifically inside or outside a det...

Image processor with improved discrimination between character imag...

Image processing technique for processing digital color image infor...

Image processing apparatus

Image processing apparatus

Color image processing device having ability to process and record...

Image processing system with capability of enlarging and reducing o...

Apparatus for processing halftone image

Technique for reproducing an image read from a color original

Color image processing apparatus

Color image processing apparatus

Continuous image estimation method

Shading correcting method enabling prevention of effect of noise an...

Solid state image reading device with sensors adhered to plate whic...

Technique for interpolating a color image for image enlargement or...

Image processing method and image forming apparatus

Image reading device

Halftone image estimation methods for dither images

Image processing method and apparatus therefor

Image reader

Methods of compressing and reproducing color image data

Method and apparatus for estimating halftone image from binary image