Inventor · disambiguated record
Masahiko Matsunawa
Also filed as: MATSUNAWA MASAHIKO
48 granted patents·1,389 citations·filing 1981–1994
99Inventor score
Files withKONISHIROKU PHOTO IND48
Top patents by PatentIndex Score
48 records- 0196US4825246AImage processing method and image forming apparatusKONISHIROKU PHOTO IND·Filed 1988·Granted Apr 25, 1989·178 cites·22 claims
- 0291US4741046AMethod of discriminating picturesKONISHIROKU PHOTO IND·Filed 1985·Granted Apr 26, 1988·109 cites·7 claims
- 0389US4980760AImage processing apparatusKONISHIROKU PHOTO IND·Filed 1989·Granted Dec 25, 1990·61 cites·6 claims
- 0489US4710822AImage processing methodKONISHIROKU PHOTO IND·Filed 1986·Granted Dec 1, 1987·67 cites·5 claims
- 0589US4495522ARecording apparatus and method of picture imageKONISHIROKU PHOTO IND·Filed 1982·Granted Jan 22, 1985·48 cites·4 claims
- 0687US5001576AImage processor with improved discrimination between character image and tonal imageKONISHIROKU PHOTO IND·Filed 1989·Granted Mar 19, 1991·55 cites·17 claims
- 0786US4783838AImage processing method and apparatus thereforKONISHIROKU PHOTO IND·Filed 1985·Granted Nov 8, 1988·53 cites·12 claims
- 0884US4937662AColor image processing device having ability to process and record an outside or inside region enclosed with a color markerKONISHIROKU PHOTO IND·Filed 1988·Granted Jun 26, 1990·45 cites·19 claims
- 0983US5016096AApparatus for color processing specifically inside or outside a detected regionKONISHIROKU PHOTO IND·Filed 1988·Granted May 14, 1991·42 cites·6 claims
- 1081US5216498AImage processing apparatus capable of detecting marked regionKONISHIROKU PHOTO IND·Filed 1992·Granted Jun 1, 1993·55 cites·21 claims
- 1181US4803558AHalftone image estimation methods for dither imagesKONISHIROKU PHOTO IND·Filed 1986·Granted Feb 7, 1989·38 cites·16 claims
- 1280US4758897AMethod and apparatus for estimating halftone image from binary imageKONISHIROKU PHOTO IND·Filed 1986·Granted Jul 19, 1988·34 cites·9 claims
- 1379US5357354AColor image processing apparatus capable of discriminating between a monochromatic document and a color documentKONISHIROKU PHOTO IND·Filed 1993·Granted Oct 18, 1994·49 cites·10 claims
- 1478US5486898AColor image forming apparatus with photoreceptor protectorKONISHIROKU PHOTO IND·Filed 1994·Granted Jan 23, 1996·24 cites·25 claims
- 1578US4768082AMethods of compressing and reproducing color image dataKONISHIROKU PHOTO IND·Filed 1987·Granted Aug 30, 1988·34 cites·10 claims
- 1676US4841377AContinuous image estimation methodKONISHIROKU PHOTO IND·Filed 1987·Granted Jun 20, 1989·28 cites·19 claims
- 1776US4774591AImage readerKONISHIROKU PHOTO IND·Filed 1984·Granted Sep 27, 1988·23 cites·8 claims
- 1875US4524388AShading correction deviceKONISHIROKU PHOTO IND·Filed 1982·Granted Jun 18, 1985·22 cites·5 claims
- 1972US4903142AApparatus for processing halftone imageKONISHIROKU PHOTO IND·Filed 1989·Granted Feb 20, 1990·25 cites·23 claims
- 2072US4833531ATechnique for interpolating a color image for image enlargement or reduction based on look-up tables stored in memoryKONISHIROKU PHOTO IND·Filed 1987·Granted May 23, 1989·44 cites·11 claims
- 2172US4578712APicture image discriminating apparatusKONISHIROKU PHOTO IND·Filed 1982·Granted Mar 25, 1986·19 cites·12 claims
- 2269US4841361AColor image processing apparatusKONISHIROKU PHOTO IND·Filed 1987·Granted Jun 20, 1989·22 cites·7 claims
- 2369US4426654AIon modulating electrodeKONISHIROKU PHOTO IND·Filed 1981·Granted Jan 17, 1984·14 cites·6 claims
- 2467US4717964AImage processing apparatusKONISHIROKU PHOTO IND·Filed 1986·Granted Jan 5, 1988·21 cites·12 claims
- 2567US4562447AIon modulating electrodeKONISHIROKU PHOTO IND·Filed 1984·Granted Dec 31, 1985·13 cites·4 claims
- 2664US4879595ATechnique for reproducing an image read from a color originalKONISHIROKU PHOTO IND·Filed 1986·Granted Nov 7, 1989·19 cites·19 claims
- 2763US4435066AIon modulating electrode with improved transmission factorKONISHIROKU PHOTO IND·Filed 1982·Granted Mar 6, 1984·14 cites·4 claims
- 2862US5208663AColor image processing apparatus provided with an image discrimination meansKONISHIROKU PHOTO IND·Filed 1992·Granted May 4, 1993·28 cites·7 claims
- 2962US4435723ARecording apparatus with editing capabilityKONISHIROKU PHOTO IND·Filed 1981·Granted Mar 6, 1984·14 cites·6 claims
- 3061US5029017AImage processing apparatus capable of enlarging/reducing apparatusKONISHIROKU PHOTO IND·Filed 1990·Granted Jul 2, 1991·28 cites·21 claims
- 3159US4556916APicture image discriminating apparatusKONISHIROKU PHOTO IND·Filed 1982·Granted Dec 3, 1985·12 cites·6 claims
- 3256US4495508AElectrostatic reproducing apparatusKONISHIROKU PHOTO IND·Filed 1981·Granted Jan 22, 1985·11 cites·3 claims
- 3355US5259041AImage processing method and apparatusKONISHIROKU PHOTO IND·Filed 1992·Granted Nov 2, 1993·16 cites·9 claims
- 3455US4920571AImage processing system with capability of enlarging and reducing operationsKONISHIROKU PHOTO IND·Filed 1989·Granted Apr 24, 1990·23 cites·30 claims
- 3555US4864357AColor image processing apparatusKONISHIROKU PHOTO IND·Filed 1987·Granted Sep 5, 1989·12 cites·13 claims
- 3654US4425035AImage reproducing apparatusKONISHIROKU PHOTO IND·Filed 1981·Granted Jan 10, 1984·8 cites·8 claims
- 3753US4980758AImage processing technique for processing digital color image informationKONISHIROKU PHOTO IND·Filed 1988·Granted Dec 25, 1990·11 cites·45 claims
- 3850US5119184AColor image processing apparatus with digital color signal compression meansKONISHIROKU PHOTO IND·Filed 1990·Granted Jun 2, 1992·12 cites·12 claims
- 3949US4733306AMethods of discriminating and copying an imageKONISHIROKU PHOTO IND·Filed 1987·Granted Mar 22, 1988·7 cites·22 claims
- 4042US5053867ADigital color image processing apparatusKONISHIROKU PHOTO IND·Filed 1988·Granted Oct 1, 1991·6 cites·3 claims
- 4142US4953229AImage processing apparatusKONISHIROKU PHOTO IND·Filed 1989·Granted Aug 28, 1990·6 cites·15 claims
- 4242US4841376AShading correcting method enabling prevention of effect of noise and apparatus thereforKONISHIROKU PHOTO IND·Filed 1987·Granted Jun 20, 1989·6 cites·2 claims
- 4342US4835600ASolid state image reading device with sensors adhered to plate which is adhered to lens holding memberKONISHIROKU PHOTO IND·Filed 1987·Granted May 30, 1989·10 cites·9 claims
- 4442US4467333ACopying apparatusKONISHIROKU PHOTO IND·Filed 1981·Granted Aug 21, 1984·6 cites·5 claims
- 4541US4814895AImage reading deviceKONISHIROKU PHOTO IND·Filed 1987·Granted Mar 21, 1989·8 cites·25 claims
- 4640US4430661AMethod and apparatus for image reproductionKONISHIROKU PHOTO IND·Filed 1981·Granted Feb 7, 1984·5 cites·9 claims
- 4734US4488160AElectrostatic apparatusKONISHIROKU PHOTO IND·Filed 1981·Granted Dec 11, 1984·3 cites·3 claims
- 4831US4472724AElectrostatic image reproducing apparatusKONISHIROKU PHOTO IND·Filed 1981·Granted Sep 18, 1984·1 cites·3 claims
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