Inventor · disambiguated record
Kohta Fujimori
Also filed as: FUJIMORI KOHTA
43 granted patents·387 citations·filing 2003–2016
98Inventor score
Technology areasG03G
Top patents by PatentIndex Score
43 records- 0198US7251420B2Method and apparatus for image forming capable of effectively detecting toner densityRICOH KK·Filed 2005·Granted Jul 31, 2007·42 cites·30 claims
- 0297US7551862B2Developing device, and process unit and image forming apparatus using the developing deviceRICOH KK·Filed 2007·Granted Jun 23, 2009·29 cites·20 claims
- 0397US7228081B2Method and apparatus for image forming capable of controlling image-forming process conditionsRICOH KK·Filed 2005·Granted Jun 5, 2007·37 cites·81 claims
- 0496US7260335B2Image-information detecting device and image forming apparatusRICOH KK·Filed 2005·Granted Aug 21, 2007·24 cites·19 claims
- 0594US7616909B2Image forming apparatus and image forming methodRICOH KK·Filed 2007·Granted Nov 10, 2009·21 cites·18 claims
- 0693US7536121B2Image forming apparatus and image density control methodRICOH KK·Filed 2006·Granted May 19, 2009·16 cites·17 claims
- 0793US7515844B2Image density control method and image forming apparatusRICOH KK·Filed 2006·Granted Apr 7, 2009·19 cites·14 claims
- 0892US6917779B2Toner conveying device and image forming apparatus including the toner conveying deviceRICOH KK·Filed 2003·Granted Jul 12, 2005·39 cites·23 claims
- 0991US7493058B2Image forming apparatus and toner concentration controlling methodRICOH KK·Filed 2006·Granted Feb 17, 2009·13 cites·12 claims
- 1090US7881629B2Image forming apparatus and image density control methodRICOH CO LTD·Filed 2007·Granted Feb 1, 2011·11 cites·12 claims
- 1190US7778560B2Image forming apparatus and method of adjusting charge biasRICOH KK·Filed 2007·Granted Aug 17, 2010·10 cites·11 claims
- 1290US7551864B2Image forming apparatus and method of controlling an image qualityRICOH KK·Filed 2006·Granted Jun 23, 2009·12 cites·20 claims
- 1389US9606469B2Image forming apparatus and charging bias adjusting method thereforIZUMI SAKI·Filed 2016·Granted Mar 28, 2017·6 cites·11 claims
- 1488US8455851B2Optical sensor and image forming apparatusTANAKA KAYOKO·Filed 2010·Granted Jun 4, 2013·5 cites·15 claims
- 1588US7664413B2Image forming device including a toner pattern forming unitRICOH KK·Filed 2006·Granted Feb 16, 2010·10 cites·7 claims
- 1687US8045874B2Image forming apparatus and image density control methodRICOH CO LTD·Filed 2009·Granted Oct 25, 2011·9 cites·19 claims
- 1787US7747182B2Image forming apparatus with toner density controlRICOH KK·Filed 2006·Granted Jun 29, 2010·9 cites·9 claims
- 1886US8155543B2Image forming apparatus capable of reducing a lengthy duration of an adjustment controlISHIBASHI HITOSHI·Filed 2006·Granted Apr 10, 2012·10 cites·18 claims
- 1985US7551866B2Image forming method and apparatus with improved conversion capability of amount of toner adhesionRICOH KK·Filed 2006·Granted Jun 23, 2009·8 cites·9 claims
- 2085US7548704B2Image forming apparatus effectively conducting a process controlRICOH KK·Filed 2007·Granted Jun 16, 2009·8 cites·12 claims
- 2183US8095025B2Image forming apparatus capable of efficient toner concentration controlISHIBASHI HITOSHI·Filed 2007·Granted Jan 10, 2012·7 cites·20 claims
- 2283US7821677B2Method and apparatus for image forming capable of accurately detecting displacement of transfer images and image densityRICOH KK·Filed 2006·Granted Oct 26, 2010·7 cites·15 claims
- 2383US7672602B2Developing unit and image forming apparatus which forces consumption of tonerRICOH KK·Filed 2006·Granted Mar 2, 2010·7 cites·10 claims
- 2481US9651910B2Image forming apparatus incorporating line sensorKOSUGE AKIO·Filed 2016·Granted May 16, 2017·2 cites·16 claims
- 2578US7668471B2Image forming apparatus and image forming methodRICOH KK·Filed 2007·Granted Feb 23, 2010·5 cites·16 claims
- 2676US8942586B2Image forming apparatus using a plurality of toner patches during a non-printing periodTANAKA KAYOKO·Filed 2013·Granted Jan 27, 2015·2 cites·11 claims
- 2776US7929873B2Image forming apparatus and image density control methodRICOH CO LTD·Filed 2008·Granted Apr 19, 2011·5 cites·15 claims
- 2868US8145100B2Process cartridge including developing unit and incorporated in image forming apparatusHIRAYAMA YUSHI·Filed 2009·Granted Mar 27, 2012·3 cites·13 claims
- 2967US8099006B2Image forming apparatus and image quality correction method used thereinFUJIMORI KOHTA·Filed 2009·Granted Jan 17, 2012·3 cites·19 claims
- 3064US8027605B2Image forming apparatus and image density control methodRICOH CO LTD·Filed 2008·Granted Sep 27, 2011·2 cites·8 claims
- 3163US9031428B2Image forming apparatus capable of determining a toner adhesion quantityFUJIMORI KOHTA·Filed 2012·Granted May 12, 2015·1 cites·9 claims
- 3262US8009997B2Toner replenishment determination device of an image forming apparatusRICOH CO LTD·Filed 2006·Granted Aug 30, 2011·2 cites·7 claims
- 3357US8175471B2Image forming apparatus and image density control methodTOMITA KENTAROH·Filed 2007·Granted May 8, 2012·2 cites·19 claims
- 3456US7885556B2Image forming apparatus for correcting a toner density target valueRICOH CO LTD·Filed 2006·Granted Feb 8, 2011·1 cites·12 claims
- 3553US8103181B2Image forming apparatus and method of adjusting charge biasISHIBASHI HITOSHI·Filed 2010·Granted Jan 24, 2012·0 cites·19 claims
- 3649US9625865B2Image forming apparatus and control method for image forming apparatusMATSUE NATSUMI·Filed 2016·Granted Apr 18, 2017·0 cites·10 claims
- 3749US8811846B2Optical sensor with positioning reference surface and image forming apparatus incorporating optical sensorYOSHIDA AKIRA·Filed 2011·Granted Aug 19, 2014·0 cites·21 claims
- 3846US9442420B2Image forming apparatus and image forming methodYOSHIDA AKIRA·Filed 2015·Granted Sep 13, 2016·0 cites·20 claims
- 3946US7903986B2Reuse method and a reusable device for an image forming apparatus having a first process linear velocity and a second image processing apparatus having a second process linear velocityRICOH CO LTD·Filed 2009·Granted Mar 8, 2011·0 cites·13 claims
- 4043US8233813B2Image forming apparatus and image-density control methodYOSHIDA AKIRA·Filed 2009·Granted Jul 31, 2012·0 cites·6 claims
- 4142US8503893B2Image forming apparatus and method for controlling image densityYOSHIDA AKIRA·Filed 2010·Granted Aug 6, 2013·0 cites·13 claims
- 4239US8942584B2Image forming apparatus and image forming methodTANAKA KAYOKO·Filed 2012·Granted Jan 27, 2015·0 cites·8 claims
- 4337US9436135B2Toner pattern density correction in an image forming apparatusSONE KEITA·Filed 2015·Granted Sep 6, 2016·0 cites·11 claims
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