Inventor · disambiguated record
Yasuhisa Kato
Also filed as: KATO YASUHISA
35 granted patents·3 pending applications·1,204 citations·filing 1988–2010
98Inventor score
Top patents by PatentIndex Score
38 records- 0198US7957663B2Heater, fixing unit and image forming apparatusRICOH CO LTD·Filed 2010·Granted Jun 7, 2011·23 cites·17 claims
- 0298US7239821B2Image forming apparatus including a heating unitRICOH KK·Filed 2005·Granted Jul 3, 2007·38 cites·14 claims
- 0397US7885569B2Heater, fixing unit and image forming apparatus operable with a main and auxiliary power supply unitRICOH CO LTD·Filed 2009·Granted Feb 8, 2011·26 cites·28 claims
- 0497US7565087B2Fixing device, image forming apparatus including the fixing device, and fixing methodRICOH KK·Filed 2008·Granted Jul 21, 2009·32 cites·11 claims
- 0597US7551869B2Fixing device, image forming apparatus including the fixing device, and fixing methodRICOH KK·Filed 2005·Granted Jun 23, 2009·31 cites·21 claims
- 0697US7496309B2Image forming apparatus with auxiliary power sourceRICOH KK·Filed 2007·Granted Feb 24, 2009·26 cites·14 claims
- 0797US7373094B2Fixing unit having a plurality of heaters, image forming apparatus and method of determining temperature detecting position of temperature sensorRICOH KK·Filed 2006·Granted May 13, 2008·27 cites·19 claims
- 0897US7366432B2Fixing device for fixing an image, image forming apparatus including the fixing device, and fixing methodRICOH KK·Filed 2005·Granted Apr 29, 2008·30 cites·18 claims
- 0997US7343113B2Fixing device, image forming apparatus including the fixing device, and fixing methodRICOH KK·Filed 2005·Granted Mar 11, 2008·35 cites·22 claims
- 1097US7333743B2Fixing device, image forming apparatus including the fixing device, and fixing methodRICOH KK·Filed 2005·Granted Feb 19, 2008·37 cites·20 claims
- 1197US7308216B2Image forming apparatus and method to supply power to a fixing deviceRICOH KK·Filed 2005·Granted Dec 11, 2007·38 cites·21 claims
- 1297US7212758B2Image-forming apparatusRICOH KK·Filed 2006·Granted May 1, 2007·27 cites·3 claims
- 1397US7209675B2Image forming apparatusRICOH KK·Filed 2005·Granted Apr 24, 2007·36 cites·3 claims
- 1497US6263185B1Image forming apparatus with a scanner inputRICOH KK·Filed 1999·Granted Jul 17, 2001·72 cites·15 claims
- 1597US5400123AImage forming apparatus capable of erasing an image recorded in a sheetRICOH KK·Filed 1993·Granted Mar 21, 1995·102 cites·29 claims
- 1696US7515845B2Method for supplying power, and fixing and image forming apparatusesRICOH KK·Filed 2005·Granted Apr 7, 2009·26 cites·10 claims
- 1796US7356270B2Fixing device, image forming apparatus including the fixing device, and fixing methodRICOH KK·Filed 2005·Granted Apr 8, 2008·27 cites·21 claims
- 1896US7054570B2Image-forming apparatusRICOH KK·Filed 2004·Granted May 30, 2006·59 cites·27 claims
- 1995US7609988B2Heater, fixing unit and image forming apparatus having power supplied from chargeable auxiliary power supplying unit varied per unit timeRICOH KK·Filed 2004·Granted Oct 27, 2009·38 cites·30 claims
- 2095US6134418AImage forming apparatus having a casing mounted to the apparatus at an upper portion of a stacking deviceRICOH KK·Filed 1999·Granted Oct 17, 2000·55 cites·20 claims
- 2195US6112047AImage forming apparatus having a substantially vertical sheet transport path and a relaying mechanism that cooperate to transfer a sheet to a sheet discharge sectionRICOH KK·Filed 1997·Granted Aug 29, 2000·55 cites·29 claims
- 2295US5481350AHeat roller fixing device divided into first and second frames and with positioning members of the first frameRICOH KK·Filed 1994·Granted Jan 2, 1996·49 cites·3 claims
- 2394US7130555B2Fixing unit having a plurality of heaters, image forming apparatus and method of determining temperature detecting position of temperature sensorRICOH KK·Filed 2004·Granted Oct 31, 2006·41 cites·36 claims
- 2494US7116923B2Fuser provided with auxiliary power supply device to operate with varying powerRICOH KK·Filed 2004·Granted Oct 3, 2006·47 cites·13 claims
- 2593US7212759B2Heating device, fixing device and image forming apparatusRICOH KK·Filed 2004·Granted May 1, 2007·36 cites·15 claims
- 2690US5729798AHeat roller fixing device having positioning membersRICOH KK·Filed 1997·Granted Mar 17, 1998·45 cites·13 claims
- 2789US7603049B2Image formation apparatus and associated method of storing powerRICOH KK·Filed 2005·Granted Oct 13, 2009·34 cites·11 claims
- 2889US4843214AHeat roll type arrangement for electrostatic recording apparatusRICOH KK·Filed 1988·Granted Jun 27, 1989·51 cites·5 claims
- 2977US8398225B2Image forming apparatus, and apparatus and method for applying foamed liquidICHIMURA MINORI·Filed 2008·Granted Mar 19, 2013·3 cites·16 claims
- 3075US5745247AImage forming apparatus having a controlled fixing unitRICOH KK·Filed 1995·Granted Apr 28, 1998·49 cites·7 claims
- 3170US8540337B2Image forming apparatus and foam application deviceIMOTO SHINJI·Filed 2008·Granted Sep 24, 2013·3 cites·12 claims
- 3269US8393698B2Image forming apparatus and foam application deviceICHIMURA MINORI·Filed 2008·Granted Mar 12, 2013·3 cites·9 claims
- 3359US7905573B2Liquid ejection head with nozzle plate deformed by heat and image forming apparatus including the liquid election headRICOH CO LTD·Filed 2008·Granted Mar 15, 2011·1 cites·7 claims
- 3457US8127709B2Image forming apparatus and foam application deviceMATSUMOTO KAZUYOSHI·Filed 2008·Granted Mar 6, 2012·1 cites·11 claims
- 3554US8651044B2Image forming apparatus and apparatus for coating foam on coating target memberICHIMURA MINORI·Filed 2008·Granted Feb 18, 2014·1 cites·15 claims
- 3645US2007031159A1Heating device, fixing device and image forming apparatusKISHI KAZUHITO·Filed 2006·Application pending·0 cites
- 3736US2005123315A1Heating device, fixing device using the heating device and image forming apparatus using the fixing deviceFiled 2004·Application pending·0 cites
- 3835US2006051111A1Condenser type fixing and image forming apparatusesKISHI KAZUHITO·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →