Inventor · disambiguated record
Katsuyuki Hirata
Also filed as: HIRATA KATSUYUKI
33 granted patents·4 pending applications·446 citations·filing 1996–2016
97Inventor score
Files withMINOLTA CO LTD12KONICA MINOLTA BUSINESS TECH7KONICA MINOLTA INC6HIRATA KATSUYUKI3TOYO SEIKAN KAISHA LTD2
Top patents by PatentIndex Score
37 records- 0196US6550389B1Printing method for printing on can barrelTOYO SEIKAN KAISHA LTD·Filed 2000·Granted Apr 22, 2003·59 cites·11 claims
- 0289US8521045B2Image forming apparatus and image density correction method thereforINADA YASUYUKI·Filed 2011·Granted Aug 27, 2013·7 cites·19 claims
- 0387US8804194B2Image forming apparatus and image forming methodSAITO KAZUHIRO·Filed 2013·Granted Aug 12, 2014·4 cites·17 claims
- 0487US6388768B2Image forming apparatus which excels in reproducibility of colors, fine lines and gradations even in a copy made from a copied imageMINOLTA CO LTD·Filed 1998·Granted May 14, 2002·41 cites·11 claims
- 0586US7840148B2Image forming apparatus and method for detecting separated state of transfer memberKONICA MINOLTA BUSINESS TECH·Filed 2007·Granted Nov 23, 2010·9 cites·5 claims
- 0684US8938174B2Image forming apparatus and image forming methodKONICA MINOLTA INC·Filed 2013·Granted Jan 20, 2015·3 cites·12 claims
- 0781US7149439B2Method and device for estimating toner concentration and image forming apparatus equipped with such deviceKONICA MINOLTA BUSINESS TECH·Filed 2004·Granted Dec 12, 2006·19 cites·8 claims
- 0881US6982813B2Light quantity correction method for exposing device, and image forming deviceMINOLTA CO LTD·Filed 2001·Granted Jan 3, 2006·22 cites·30 claims
- 0980US5694223ADigital image forming apparatus which specifies a sensitivity characteristic of a photoconductorMINOLTA CO LTD·Filed 1996·Granted Dec 2, 1997·31 cites·39 claims
- 1079US8971740B2Image forming apparatusKONICA MINOLTA INC·Filed 2013·Granted Mar 3, 2015·2 cites·15 claims
- 1178US8797600B2Image forming apparatus and gradation correction method with density unevenness detectionHARASHIMA TAKASHI·Filed 2012·Granted Aug 5, 2014·6 cites·2 claims
- 1276US5995248AImage forming device and method having MTF correctionMINOLTA CO LTD·Filed 1997·Granted Nov 30, 1999·58 cites·16 claims
- 1373US8626017B2Image forming device and developer supply method including pre-supply toner detectionSAKATANI KAZUOMI·Filed 2009·Granted Jan 7, 2014·4 cites·12 claims
- 1471US6028957AImage forming apparatus having a noise removing unitMINOLTA CO LTD·Filed 1997·Granted Feb 22, 2000·51 cites·16 claims
- 1571US5999279AImage forming apparatus having an MTF correction unitMINOLTA CO LTD·Filed 1997·Granted Dec 7, 1999·39 cites·38 claims
- 1668US8023839B2Developing apparatus and image forming machineKONICA MINOLTA BUSINESS TECH·Filed 2009·Granted Sep 20, 2011·3 cites·20 claims
- 1767US5966222AImage forming apparatus having a saturation correction unitMINOLTA CO LTD·Filed 1997·Granted Oct 12, 1999·34 cites·8 claims
- 1854US6462838B1Method of and apparatus for forming an imageMINOLTA CO LTD·Filed 1999·Granted Oct 8, 2002·19 cites·17 claims
- 1952US8045872B2Image-forming apparatus containing electrophotographic system and image-forming methodKONICA MINOLTA BUSINESS TECH·Filed 2008·Granted Oct 25, 2011·1 cites·8 claims
- 2051US8837001B2Image forming apparatus and gradation correction method for the sameTANAKA HIDEAKI·Filed 2012·Granted Sep 16, 2014·0 cites·18 claims
- 2151US2010221645A1Film having hologram pattern and container having hologram patternTOYO SEIKAN KAISHA LTD·Filed 2008·Application pending·0 cites
- 2250US7181148B2Image forming apparatus and device for determining the density and position of a toner patternKONICA MINOLTA BUSINESS TECH·Filed 2004·Granted Feb 20, 2007·4 cites·13 claims
- 2350US6094502AImage formation apparatus that allows correction of γ correction data and adjustment method thereofMINOLTA CO LTD·Filed 1997·Granted Jul 25, 2000·14 cites·14 claims
- 2450US2010181004A1Hologram pattern forming method, method for manufacturing film having hologram pattern, laminate film and containerAKIMOTO MUNEKAZU·Filed 2008·Application pending·0 cites
- 2547US9686428B2Equipment to determine line width of check image and image-forming apparatus using the sameKONICA MINOLTA INC·Filed 2016·Granted Jun 20, 2017·0 cites·22 claims
- 2644US9420133B2Image forming apparatusKONICA MINOLTA INC·Filed 2015·Granted Aug 16, 2016·0 cites·10 claims
- 2743US9442413B2Image forming apparatus and exposure position adjusting methodKONICA MINOLTA INC·Filed 2015·Granted Sep 13, 2016·0 cites·7 claims
- 2843US7697856B2Image forming apparatus and method for detecting separated state of transfer unitKONICA MINOLTA BUSINESS TECH·Filed 2007·Granted Apr 13, 2010·0 cites·6 claims
- 2942US2009317105A1Developing device and image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2009·Application pending·0 cites
- 3041US8233016B2Image forming apparatus, and exposure control method thereforSAKAI TETSUYA·Filed 2006·Granted Jul 31, 2012·0 cites·14 claims
- 3140US5933255ADigital image forming apparatusMINOLTA CO LTD·Filed 1996·Granted Aug 3, 1999·6 cites·25 claims
- 3240US5715067ADigital image forming apparatus and method with variable duty ratioMINOLTA CO LTD·Filed 1996·Granted Feb 3, 1998·7 cites·16 claims
- 3336US8218982B2Image forming device having a trickle developing apparatusHIRATA KATSUYUKI·Filed 2009·Granted Jul 10, 2012·0 cites·9 claims
- 3435US9354541B2Image forming apparatus and exposure position adjusting methodKONICA MINOLTA INC·Filed 2015·Granted May 31, 2016·0 cites·2 claims
- 3534US8781349B2Image forming apparatus performing image concentration stabilization controlHIRATA KATSUYUKI·Filed 2011·Granted Jul 15, 2014·0 cites·3 claims
- 3634US5949963AImage formation apparatus exposing photoconductor according to image density data to form image thereonMINOLTA CO LTD·Filed 1997·Granted Sep 7, 1999·3 cites·13 claims
- 3734US2012301163A1Image Forming Apparatus and Image Forming MethodHIRATA KATSUYUKI·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →