Inventor · disambiguated record
Naofumi Yamamoto
Also filed as: YAMAMOTO NAOFUMI
36 granted patents·8 pending applications·1,733 citations·filing 1985–2019
98Inventor score
Top patents by PatentIndex Score
44 records- 0198US5652626AImage processing apparatus using pattern generating circuits to process a color imageTOSHIBA KK·Filed 1994·Granted Jul 29, 1997·448 cites·7 claims
- 0297US6095566AImage recorded product, image recording system, image reproducing system, and recording medium for use to superimpose-record/reproduce additional informationTOSHIBA KK·Filed 1997·Granted Aug 1, 2000·165 cites·4 claims
- 0397US4806780AImage correction method and apparatus with partial detector array samplingTOSHIBA KK·Filed 1987·Granted Feb 21, 1989·203 cites·7 claims
- 0491US4926251AColor image processing apparatus with image correctorTOSHIBA KK·Filed 1988·Granted May 15, 1990·85 cites·16 claims
- 0589US5028991AImage signal processing apparatus for use in color image reproductionTOSHIBA KK·Filed 1989·Granted Jul 2, 1991·71 cites·15 claims
- 0688US5278641ABrightness referenced color image correcting apparatusTOSHIBA KK·Filed 1991·Granted Jan 11, 1994·89 cites·7 claims
- 0788US4698669AColor picture reader and method for operating the sameTOSHIBA KK·Filed 1985·Granted Oct 6, 1987·32 cites·23 claims
- 0884US5315413AColor image correction device for correcting phase and resolution characteristics of a copy image using different color signal componentsTOSHIBA KK·Filed 1992·Granted May 24, 1994·64 cites·11 claims
- 0981US6342950B1Method and apparatus for encoding image, image decoding apparatus and image forming apparatusTOSHIBA KK·Filed 1998·Granted Jan 29, 2002·69 cites·11 claims
- 1080US5497180AImage recording apparatus for representing a halftone by use of a plurality of recorded dotsTOSHIBA KK·Filed 1993·Granted Mar 5, 1996·50 cites·18 claims
- 1180US4661843AColor image copying apparatusTOSHIBA KK·Filed 1985·Granted Apr 28, 1987·36 cites·15 claims
- 1279US5136401AImage layout apparatus for performing pattern modification such as coloring of an original imageTOSHIBA KK·Filed 1990·Granted Aug 4, 1992·48 cites·12 claims
- 1378US4745467AColor image-processing apparatusTOSHIBA KK·Filed 1986·Granted May 17, 1988·33 cites·10 claims
- 1477US6134022AColor image printing system capable of correcting density deviation on image and system for detecting color deviation on imageTOSHIBA KK·Filed 1996·Granted Oct 17, 2000·57 cites·8 claims
- 1575US7365880B2Image processing apparatus and image processing methodTOSHIBA KK·Filed 2003·Granted Apr 29, 2008·14 cites·12 claims
- 1669US7876473B2Apparatus and method for information buryingTOSHIBA KK·Filed 2007·Granted Jan 25, 2011·2 cites·11 claims
- 1768US6980327B2Image processing apparatusTOSHIBA TEC KK·Filed 2001·Granted Dec 27, 2005·8 cites·5 claims
- 1867US5200840AImage processing apparatusTOSHIBA KK·Filed 1990·Granted Apr 6, 1993·36 cites·11 claims
- 1967US4672433AColor signal processing apparatus with a signal interpolation function for use in a color copierTOSHIBA KK·Filed 1985·Granted Jun 9, 1987·21 cites·11 claims
- 2066US7324244B2Image forming apparatus and image forming methodTOSHIBA KK·Filed 2003·Granted Jan 29, 2008·7 cites·14 claims
- 2166US6424742B2Image processing apparatus for discriminating image field of original document plural times and method thereforTOSHIBA KK·Filed 1998·Granted Jul 23, 2002·66 cites·12 claims
- 2266US4675704AMethod and apparatus for reproducing color imageTOSHIBA KK·Filed 1986·Granted Jun 23, 1987·20 cites·5 claims
- 2365US5708514AError diffusion method in a multi-level image recording apparatus utilizing adjacent-pixel characteristicsTOSHIBA KK·Filed 1995·Granted Jan 13, 1998·31 cites·16 claims
- 2463US8824006B2Color correction apparatus and color correction methodSAWADA TAKAYUKI·Filed 2011·Granted Sep 2, 2014·1 cites·18 claims
- 2562US7006253B2Image processing apparatusTOSHIBA TEC KK·Filed 2001·Granted Feb 28, 2006·5 cites·9 claims
- 2661US7336396B2Image processing apparatus and image processing methodTOSHIBA KK·Filed 2003·Granted Feb 26, 2008·8 cites·23 claims
- 2760US10776768B2Article recognition device and commodity settlement deviceTOSHIBA TEC KK·Filed 2019·Granted Sep 15, 2020·0 cites·20 claims
- 2860US6903745B2Image processing apparatus and image processing methodTOSHIBA TEC KK·Filed 2003·Granted Jun 7, 2005·8 cites·20 claims
- 2960US4803496AMethod for recording a color imageTOSHIBA KK·Filed 1986·Granted Feb 7, 1989·15 cites·5 claims
- 3056US6993181B2Image compression decoding apparatus and method thereofTOSHIBA TEC KK·Filed 2001·Granted Jan 31, 2006·6 cites·2 claims
- 3156US6922262B2Image processing apparatusTOSHIBA TEC KK·Filed 2001·Granted Jul 26, 2005·2 cites·25 claims
- 3249US7583813B2Embedding data reproduce apparatusTOSHIBA KK·Filed 2005·Granted Sep 1, 2009·0 cites·20 claims
- 3344US6154569ASystem and method for coding and/or decoding image including bit-map of different levelsTOSHIBA KK·Filed 1996·Granted Nov 28, 2000·14 cites·3 claims
- 3444US5583646AApparatus for distinguishing image portions through image expansionTOSHIBA KK·Filed 1995·Granted Dec 10, 1996·10 cites·9 claims
- 3544US2005002050A1Image processing apparatusTOSHIBA KK·Filed 2003·Application pending·0 cites
- 3643US2012038939A1Color correction processing apparatus and color correction processing methodYAMAMOTO NAOFUMI·Filed 2011·Application pending·0 cites
- 3743US2007030288A1Apparatus and method for overlaying pattern data on a reproduced imageTOSHIBA TEC KK·Filed 2005·Application pending·0 cites
- 3841US6377361B1Image processing device and image forming apparatusTOSHIBA KK·Filed 1999·Granted Apr 23, 2002·9 cites·4 claims
- 3941US2007074029A1Data embedding apparatusTOSHIBA TEC KK·Filed 2005·Application pending·0 cites
- 4041US2005206961A1Image processing apparatus and image processing methodTOSHIBA TEC KK·Filed 2004·Application pending·0 cites
- 4141US2009252533A1Document management system, image forming apparatus and document management methodTOSHIBA KK·Filed 2008·Application pending·0 cites
- 4240US2006072819A1Image forming apparatus and methodTOSHIBA TEC KK·Filed 2004·Application pending·0 cites
- 4340US2006230341A1Image editing apparatus and image editing methodTOSHIBA TEC KK·Filed 2005·Application pending·0 cites
- 4436US7375866B2Image processing system and method for screeningTOSHIBA KK·Filed 2002·Granted May 20, 2008·0 cites·15 claims
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