Inventor · disambiguated record
Atsushi Takehara
Also filed as: TAKEHARA ATSUSHI
28 granted patents·631 citations·filing 1997–2013
97Inventor score
Top patents by PatentIndex Score
28 records- 0198US6249304B1Image forming apparatus and image forming method for forming color images by gray-level image forming techniqueRICOH KK·Filed 1997·Granted Jun 19, 2001·141 cites·19 claims
- 0296US6295438B1Method and apparatus for forming an image capable of supplying a proper amount of a lubricant to each image forming sectionRICOH KK·Filed 2000·Granted Sep 25, 2001·80 cites·14 claims
- 0395US7610004B2Apparatus for detecting amount of toner deposit and controlling density of image, method of forming misalignment correction pattern, and apparatus for detecting and correcting misalignment of imageRICOH KK·Filed 2007·Granted Oct 27, 2009·21 cites·19 claims
- 0495US7003238B2Intermediate image transfer device for a color image forming apparatusRICOH KK·Filed 2003·Granted Feb 21, 2006·62 cites·69 claims
- 0593US7428400B2Primary transfer unit of image forming apparatusRICOH KK·Filed 2006·Granted Sep 23, 2008·16 cites·2 claims
- 0693US7203433B2Apparatus for detecting amount of toner deposit and controlling density of image, method of forming misalignment correction pattern, and apparatus for detecting and correcting misalignment of imageRICOH KK·Filed 2004·Granted Apr 10, 2007·43 cites·7 claims
- 0793US6334039B1Method and apparatus for image forming apparatus capable of accurately detecting toner image patternsRICOH KK·Filed 2000·Granted Dec 25, 2001·51 cites·26 claims
- 0892US8571426B2Toner supply method, development device, process unit, and image forming apparatusKUBOTA TOMOHIRO·Filed 2011·Granted Oct 29, 2013·8 cites·20 claims
- 0991US6366754B1Color image forming apparatus with toner recyclingRICOH KK·Filed 2000·Granted Apr 2, 2002·44 cites·32 claims
- 1090US7280792B2Method for evaluating changes in resistance of electric resistance member and image forming apparatus using sameRICOH KK·Filed 2004·Granted Oct 9, 2007·34 cites·11 claims
- 1186US7174124B2Tandem color image forming apparatus with an image transfer belt and backup rollerRICOH KK·Filed 2003·Granted Feb 6, 2007·25 cites·36 claims
- 1284US7734235B2Image forming apparatus including a metallic driving rollerRICOH KK·Filed 2006·Granted Jun 8, 2010·7 cites·11 claims
- 1382US7801471B2Transfer unit and image forming apparatusRICOH KK·Filed 2009·Granted Sep 21, 2010·5 cites·14 claims
- 1481US7499669B2Transfer unit and image forming apparatusRICOH KK·Filed 2007·Granted Mar 3, 2009·5 cites·7 claims
- 1578US8257891B2Electrophotographic photoconductor, process cartridge and image forming apparatusNAKATAKE NAOKI·Filed 2010·Granted Sep 4, 2012·3 cites·17 claims
- 1678US7636539B2Tandem intermediate-transfer type image forming apparatusRICOH KK·Filed 2006·Granted Dec 22, 2009·5 cites·13 claims
- 1774US7139497B2Color image forming apparatus having a variable controlled speed ratioRICOH KK·Filed 2003·Granted Nov 21, 2006·13 cites·40 claims
- 1873US8594519B2Image forming apparatus and toner supply methodNAKATAKE NAOKI·Filed 2011·Granted Nov 26, 2013·2 cites·11 claims
- 1973US7440720B2Image forming apparatus and image transferring unit for the sameRICOH KK·Filed 2003·Granted Oct 21, 2008·13 cites·17 claims
- 2071US6782227B2Transfer device for setting a suitable recording medium adsorbing bias, and an image-forming apparatus including the transfer deviceRICOH KK·Filed 2002·Granted Aug 24, 2004·12 cites·24 claims
- 2170US8483583B2Image forming apparatus and toner supply methodTAKEHARA ATSUSHI·Filed 2011·Granted Jul 9, 2013·2 cites·10 claims
- 2270US6292206B1Image forming apparatus and method of producing light quantity correction dataRICOH KK·Filed 1998·Granted Sep 18, 2001·36 cites·16 claims
- 2366US8503892B2Developing unit, image forming apparatus, and process cartridgeSAKAYA KOHTA·Filed 2011·Granted Aug 6, 2013·1 cites·18 claims
- 2461US7885566B2Toner consumption-calculating apparatus, image forming apparatus, and toner consumption calculating methodRICOH CO LTD·Filed 2007·Granted Feb 8, 2011·2 cites·7 claims
- 2551US9164435B2Fixing device and image forming apparatusADACHI TOMOYA·Filed 2013·Granted Oct 20, 2015·0 cites·13 claims
- 2645US8452216B2Image forming apparatus which mixes new unused toner with used old tonerFUJITA TETSUMARU·Filed 2010·Granted May 28, 2013·0 cites·9 claims
- 2742US8706010B2Image forming apparatus using a toner container in which the toner outlet may be positioned in a horizontal or vertical directionTAKEHARA ATSUSHI·Filed 2011·Granted Apr 22, 2014·0 cites·10 claims
- 2838US8295717B2Image forming apparatusMIYAZAKI RUMI·Filed 2009·Granted Oct 23, 2012·0 cites·5 claims
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