Inventor · disambiguated record
Yuichiro Toyohara
Also filed as: TOYOHARA YUICHIRO
26 granted patents·1 pending application·279 citations·filing 1995–2011
96Inventor score
Top patents by PatentIndex Score
27 records- 0187US7340190B2Image forming apparatusCANON KK·Filed 2007·Granted Mar 4, 2008·8 cites·8 claims
- 0285US6819902B2Image forming apparatus with interchangeable developing devicesCANON KK·Filed 2003·Granted Nov 16, 2004·24 cites·8 claims
- 0385US5671462AFixing device having a power supply control element for controlling a temperature of a heat memberCANON KK·Filed 1995·Granted Sep 23, 1997·40 cites·5 claims
- 0484US7945178B2Image forming apparatus including density control and control method thereofCANON KK·Filed 2007·Granted May 17, 2011·6 cites·7 claims
- 0582US6591072B2Image forming apparatus with changeable toner returning electric field application periodCANON KK·Filed 2001·Granted Jul 8, 2003·24 cites·6 claims
- 0680US6463226B2Image forming apparatus which corrects image forming conditions in low-temperature environment and at continuous image formationCANON KK·Filed 2001·Granted Oct 8, 2002·19 cites·6 claims
- 0777US6389240B2Image forming apparatus having plural image processing speeds and plural image correction characteristicsCANON KK·Filed 2001·Granted May 14, 2002·16 cites·16 claims
- 0875US5987275AFixing apparatus with power control based on temperature gradientCANON KK·Filed 1997·Granted Nov 16, 1999·25 cites·5 claims
- 0974US7110686B2Image forming apparatus capable of changing usage ratio among multiple tonersCANON KK·Filed 2004·Granted Sep 19, 2006·13 cites·12 claims
- 1073US7826772B2Image forming apparatus using color toner and transparent tonerCANON KK·Filed 2009·Granted Nov 2, 2010·3 cites·6 claims
- 1173US7522852B2Image forming apparatus capable of accomplishing uniformity in glossinessCANON KK·Filed 2006·Granted Apr 21, 2009·3 cites·4 claims
- 1273US6785480B2Image forming apparatus having a plurality of image forming speedsCANON KK·Filed 2001·Granted Aug 31, 2004·15 cites·18 claims
- 1371US7113729B2Image forming apparatus capable of accomplishing uniformity in glossinessCANON KK·Filed 2004·Granted Sep 26, 2006·10 cites·18 claims
- 1471US6049681AImage forming apparatusCANON KK·Filed 1998·Granted Apr 11, 2000·21 cites·46 claims
- 1570US8218990B2Image formation system, image formation method, and image quality improvement method twice heating and pressing a toner image on a recording materialTOYOHARA YUICHIRO·Filed 2006·Granted Jul 10, 2012·4 cites·15 claims
- 1663US6393229B1Image forming apparatusCANON KK·Filed 2000·Granted May 21, 2002·8 cites·11 claims
- 1758US7596345B2Image forming apparatus with a developer comprising at least a toner and a first external additiveCANON KK·Filed 2006·Granted Sep 29, 2009·1 cites·6 claims
- 1858US6559876B2Image forming apparatus with exposure reduction modeCANON KK·Filed 2001·Granted May 6, 2003·3 cites·10 claims
- 1957US7120368B2Image forming apparatus using two or more toners for ordinary paper or OHP sheetCANON KK·Filed 2004·Granted Oct 10, 2006·6 cites·18 claims
- 2052US8126343B2Image forming apparatus including density control and control method thereofTOYOHARA YUICHIRO·Filed 2011·Granted Feb 28, 2012·0 cites·11 claims
- 2149US6091512AImage processing apparatus and method for improving image reproducibilityCANON KK·Filed 1997·Granted Jul 18, 2000·13 cites·43 claims
- 2247US7324765B2Image forming apparatusCANON KK·Filed 2005·Granted Jan 29, 2008·0 cites·2 claims
- 2346US6646670B2Image forming apparatus and manufacturing method thereofCANON KK·Filed 2001·Granted Nov 11, 2003·3 cites·5 claims
- 2440US6226108B1Image processing apparatus and method for reproducing high quality image in low-density portionCANON KK·Filed 1996·Granted May 1, 2001·7 cites·19 claims
- 2539US5726759AImage forming apparatusCANON KK·Filed 1996·Granted Mar 10, 1998·5 cites·20 claims
- 2638US2007059056A1Image-forming apparatusCANON KK·Filed 2006·Application pending·0 cites
- 2731US6501492B1Image forming apparatus for outputting image in response to digital image signalCANON KK·Filed 1997·Granted Dec 31, 2002·2 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →