Inventor · disambiguated record
Yotaro Sato
Also filed as: HAMADA LEGAL REPRESENTATIVE YO · HAMADA LEGAL REPRESENTATIVE YOSHIKO · SATO YOTARO
47 granted patents·3 pending applications·474 citations·filing 1994–2017
98Inventor score
Files withKONISHIROKU PHOTO IND26KONICA MINOLTA BUSINESS TECH19KONICA MINOLTA INC2KIMURA TAKENOBU1SATO YOTARO1
Top patents by PatentIndex Score
50 records- 0188US7945202B2Cleaning apparatus and image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2009·Granted May 17, 2011·10 cites·7 claims
- 0284US5799226AElectrostatic image forming apparatus with transfer controls for different imaging modesKONISHIROKU PHOTO IND·Filed 1997·Granted Aug 25, 1998·37 cites·38 claims
- 0383US7444098B2Image forming apparatus with cleaning unitKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Oct 28, 2008·6 cites·7 claims
- 0482US5991563AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1998·Granted Nov 23, 1999·33 cites·12 claims
- 0580US7346302B2Color image forming apparatus and electric charge eliminating deviceKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Mar 18, 2008·6 cites·12 claims
- 0680US7298997B2Color image forming apparatus with pre-charging unit and potential adjustment unitKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Nov 20, 2007·6 cites·3 claims
- 0778US5970277AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1999·Granted Oct 19, 1999·28 cites·13 claims
- 0877US9335673B2Image forming apparatus and method of controlling image forming apparatus for separating a recording sheet from an image bearing memberKONICA MINOLTA INC·Filed 2014·Granted May 10, 2016·2 cites·16 claims
- 0977US7593665B2Image forming apparatus with cleaning unitKONICA MINOLTA BUSINESS TECH·Filed 2008·Granted Sep 22, 2009·4 cites·10 claims
- 1077US7209692B2Color image forming apparatus and discharging device before secondary transfer of the sameKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Apr 24, 2007·5 cites·19 claims
- 1177US5978644AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1998·Granted Nov 2, 1999·26 cites·30 claims
- 1275US5761573AImage 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
- 1375US5604573ADeveloping unit with a smoothing plateKONISHIROKU PHOTO IND·Filed 1994·Granted Feb 18, 1997·21 cites·18 claims
- 1474US7593675B2Color image forming apparatus having a discharging unit to discharge an electrical charge of a toner image transferred on an intermediate transfer memberKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Sep 22, 2009·4 cites·10 claims
- 1574US7308212B2Color image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Dec 11, 2007·4 cites·8 claims
- 1673US7639974B2Color image forming apparatus with pre-secondary transfer charge eliminating sectionKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Dec 29, 2009·4 cites·10 claims
- 1773US7440719B2Color image forming apparatus having pre-transfer dischargerKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Oct 21, 2008·4 cites·14 claims
- 1873US6347200B1Duplex image forming apparatusKONISHIROKU PHOTO IND·Filed 2000·Granted Feb 12, 2002·14 cites·14 claims
- 1973US5822666AImage 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
- 2069US7373100B2Color image forming apparatus having pre-transfer discharge electrodeKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted May 13, 2008·3 cites·21 claims
- 2169US7251442B2Color image forming apparatus having advanced transfer systemKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Jul 31, 2007·3 cites·8 claims
- 2267US6205301B1Two-sided image forming apparatusKONISHIROKU PHOTO IND·Filed 1999·Granted Mar 20, 2001·18 cites·28 claims
- 2365US6360063B1Image 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
- 2464US5905931AElectrophotographic image forming apparatusKONISHIROKU PHOTO IND·Filed 1998·Granted May 18, 1999·16 cites·15 claims
- 2562US7260350B2Image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Aug 21, 2007·2 cites·4 claims
- 2662US6085064AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1998·Granted Jul 4, 2000·15 cites·23 claims
- 2760US5899611AApparatus for forming an image on both sides of an image receiverKONISHIROKU PHOTO IND·Filed 1998·Granted May 4, 1999·14 cites·8 claims
- 2860US5758204ADuplex image forming apparatus with two image carriers and an image size discriminatorKONISHIROKU PHOTO IND·Filed 1997·Granted May 26, 1998·14 cites·9 claims
- 2959US6721526B2Image forming apparatus with improved developing deviceKONISHIROKU PHOTO IND·Filed 2002·Granted Apr 13, 2004·7 cites·13 claims
- 3059US5701553AMulti-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
- 3158US6058287AImage forming apparatus having sheet conveyance deviceKONISHIROKU PHOTO IND·Filed 1997·Granted May 2, 2000·13 cites·9 claims
- 3258US5875372AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1997·Granted Feb 23, 1999·13 cites·6 claims
- 3356US8135302B2Image forming apparatus having cleaning device of pre-secondary transfer discharge unitSATO YOTARO·Filed 2008·Granted Mar 13, 2012·2 cites·6 claims
- 3456US7254358B2Color image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Aug 7, 2007·1 cites·3 claims
- 3555US7486901B2Image forming apparatus and image forming methodKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Feb 3, 2009·1 cites·9 claims
- 3654US5995797AImage 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
- 3753US6832058B2Image 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
- 3853US5826143AImage forming apparatus with two transfer meansKONISHIROKU PHOTO IND·Filed 1997·Granted Oct 20, 1998·17 cites·8 claims
- 3949US5602630ADeveloping deviceKONISHIROKU PHOTO IND·Filed 1995·Granted Feb 11, 1997·9 cites·7 claims
- 4048US5920744AImage 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
- 4147US6094552AImage 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
- 4245US10409218B2Image forming apparatusKONICA MINOLTA INC·Filed 2017·Granted Sep 10, 2019·0 cites·12 claims
- 4340US7489894B2Image forming apparatus with belt surface regulating memberKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Feb 10, 2009·0 cites·5 claims
- 4440US2008124102A1Image forming apparatusKIMURA TAKENOBU·Filed 2007·Application pending·0 cites
- 4539US7761042B2Color image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Jul 20, 2010·0 cites·6 claims
- 4638US7327976B2Color image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Feb 5, 2008·0 cites·7 claims
- 4737US6021301AImage 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
- 4837US2006056869A1Image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2005·Application pending·0 cites
- 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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