Inventor · disambiguated record
Kunio Shigeta
Also filed as: SHIGETA KUNIO
49 granted patents·1 pending application·696 citations·filing 1985–2009
98Inventor score
Top patents by PatentIndex Score
50 records- 0184US5799226AElectrostatic image forming apparatus with transfer controls for different imaging modesKONISHIROKU PHOTO IND·Filed 1997·Granted Aug 25, 1998·37 cites·38 claims
- 0282US5991563AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1998·Granted Nov 23, 1999·33 cites·12 claims
- 0380US4637973AImage forming process for electrophotographyKONISHIROKU PHOTO IND·Filed 1985·Granted Jan 20, 1987·23 cites·20 claims
- 0479US6393230B1Fixing device and image forming apparatus therewithKONISHIROKU PHOTO IND·Filed 2001·Granted May 21, 2002·18 cites·4 claims
- 0578US5970277AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1999·Granted Oct 19, 1999·28 cites·13 claims
- 0677US5978644AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1998·Granted Nov 2, 1999·26 cites·30 claims
- 0777US5457522ACharging unit with variable AC voltageKONISHIROKU PHOTO IND·Filed 1994·Granted Oct 10, 1995·23 cites·12 claims
- 0877US5367365AImage forming apparatus with charger of image carrier using magnetic brushKONISHIROKU PHOTO IND·Filed 1993·Granted Nov 22, 1994·23 cites·7 claims
- 0976US4614700AImage forming process with magnetic brush developmentKONISHIROKU PHOTO IND·Filed 1985·Granted Sep 30, 1986·20 cites·11 claims
- 1075US8233828B2Developing apparatus, imaging unit, and image forming apparatus including developer mixing container with auxiliary member to circulate developerSHIGETA KUNIO·Filed 2009·Granted Jul 31, 2012·6 cites·18 claims
- 1175US5761573AImage forming apparatus for double-sided image formation with properly adjusted image density or color tone for each sideKONISHIROKU PHOTO IND·Filed 1997·Granted Jun 2, 1998·24 cites·19 claims
- 1275US5426489AImage forming apparatus with a magnetic brush chargerKONISHIROKU PHOTO IND·Filed 1994·Granted Jun 20, 1995·21 cites·4 claims
- 1374US5357323AMagnetic brush charging deviceKONISHIROKU PHOTO IND·Filed 1993·Granted Oct 18, 1994·20 cites·9 claims
- 1473US6347200B1Duplex image forming apparatusKONISHIROKU PHOTO IND·Filed 2000·Granted Feb 12, 2002·14 cites·14 claims
- 1573US5822666AImage forming apparatus including a mechanism for eliminating mechanical shock caused by a cleaning deviceKONISHIROKU PHOTO IND·Filed 1997·Granted Oct 13, 1998·23 cites·24 claims
- 1669US7251440B2Development apparatus and image formation apparatusKONICA MINOLTA BUSINESS TECH·Filed 2004·Granted Jul 31, 2007·11 cites·44 claims
- 1769US4943507AToner for developing electrostatic latent image and method for developing electrostatic latent image with the sameKONISHIROKU PHOTO IND·Filed 1989·Granted Jul 24, 1990·16 cites·26 claims
- 1867US6205301B1Two-sided image forming apparatusKONISHIROKU PHOTO IND·Filed 1999·Granted Mar 20, 2001·18 cites·28 claims
- 1965US6985685B2Developing device and image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2004·Granted Jan 10, 2006·9 cites·11 claims
- 2065US6360063B1Image forming apparatus wherein writing of an image is conducted before feeding of a transfer material is startedKONISHIROKU PHOTO IND·Filed 2000·Granted Mar 19, 2002·6 cites·6 claims
- 2165US5930572AApparatus for forming images on both sides of sheetKONISHIROKU PHOTO IND·Filed 1998·Granted Jul 27, 1999·16 cites·13 claims
- 2265US5592264AMagnetic brush type charging deviceKONISHIROKU PHOTO IND·Filed 1995·Granted Jan 7, 1997·19 cites·2 claims
- 2364US7477866B2Image forming method and image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Jan 13, 2009·2 cites·21 claims
- 2464US5905931AElectrophotographic image forming apparatusKONISHIROKU PHOTO IND·Filed 1998·Granted May 18, 1999·16 cites·15 claims
- 2563US7459256B2Image forming method and image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Dec 2, 2008·2 cites·14 claims
- 2663US6085059AColor-toner-use fixing unit and color image forming apparatusKONISHIROKU PHOTO IND·Filed 1999·Granted Jul 4, 2000·15 cites·21 claims
- 2762US6085064AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1998·Granted Jul 4, 2000·15 cites·23 claims
- 2861US6308039B1Apparatus for fixing toner images on a transfer materialKONISHIROKU PHOTO IND·Filed 2000·Granted Oct 23, 2001·8 cites·24 claims
- 2961US5381215AImage forming apparatus having charger to charge image carrier with magnetic brushKONISHIROKU PHOTO IND·Filed 1993·Granted Jan 10, 1995·13 cites·7 claims
- 3061US4725521ACarrier for developing electrostatic imageKONISHIROKU PHOTO IND·Filed 1986·Granted Feb 16, 1988·12 cites·5 claims
- 3160US5899611AApparatus for forming an image on both sides of an image receiverKONISHIROKU PHOTO IND·Filed 1998·Granted May 4, 1999·14 cites·8 claims
- 3260US5758204ADuplex image forming apparatus with two image carriers and an image size discriminatorKONISHIROKU PHOTO IND·Filed 1997·Granted May 26, 1998·14 cites·9 claims
- 3359US6721526B2Image forming apparatus with improved developing deviceKONISHIROKU PHOTO IND·Filed 2002·Granted Apr 13, 2004·7 cites·13 claims
- 3459US5701553AMulti-color image forming apparatus having high developability without fogging and without mixing of colorsKONISHIROKU PHOTO IND·Filed 1995·Granted Dec 23, 1997·14 cites·36 claims
- 3558US6058287AImage forming apparatus having sheet conveyance deviceKONISHIROKU PHOTO IND·Filed 1997·Granted May 2, 2000·13 cites·9 claims
- 3658US5875372AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1997·Granted Feb 23, 1999·13 cites·6 claims
- 3756US6204932B1Image forming apparatusKONISHIROKU PHOTO IND·Filed 1998·Granted Mar 20, 2001·20 cites·25 claims
- 3854US5995797AImage forming apparatus which conveys unfixed toner images to a fixing device in an undisturbed and stable manner so that images may be formed on both sides of a sheetKONISHIROKU PHOTO IND·Filed 1998·Granted Nov 30, 1999·11 cites·32 claims
- 3953US6832058B2Image forming apparatus including a maximum charge quantity of toner particles forming useless tonerKONISHIROKU PHOTO IND·Filed 2002·Granted Dec 14, 2004·5 cites·17 claims
- 4053US5826143AImage forming apparatus with two transfer meansKONISHIROKU PHOTO IND·Filed 1997·Granted Oct 20, 1998·17 cites·8 claims
- 4152US6157805AFixing apparatusKONISHIROKU PHOTO IND·Filed 1999·Granted Dec 5, 2000·10 cites·28 claims
- 4249US5602630ADeveloping deviceKONISHIROKU PHOTO IND·Filed 1995·Granted Feb 11, 1997·9 cites·7 claims
- 4348US5920744AImage forming apparatus and method for efficiently forming images even after the occurrence of a jamKONISHIROKU PHOTO IND·Filed 1997·Granted Jul 6, 1999·13 cites·7 claims
- 4447US6798999B2Image forming apparatusKONISHIROKU PHOTO IND·Filed 2003·Granted Sep 28, 2004·3 cites·14 claims
- 4547US6094552AImage forming apparatus for printing images in accordance with at least one of first information and second informationKONISHIROKU PHOTO IND·Filed 1997·Granted Jul 25, 2000·12 cites·9 claims
- 4640US7851118B2Image forming method, image forming apparatus and organic photoreceptorKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Dec 14, 2010·0 cites·13 claims
- 4738US7846626B2Image forming method and image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Dec 7, 2010·0 cites·10 claims
- 4837US6021301AImage forming apparatus which is equipped with an intermediate transfer body and which prevents toner from sticking to a transfer unitKONISHIROKU PHOTO IND·Filed 1998·Granted Feb 1, 2000·4 cites·9 claims
- 4935US6737209B2Color image forming method using flattened tonerKONISHIROKU PHOTO IND·Filed 2002·Granted May 18, 2004·0 cites·21 claims
- 5030US2002011475A1Fixing roller member and fixing apparatusFiled 1999·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →