Inventor · disambiguated record
Ryuichi Yoshizawa
Also filed as: YOSHIZAWA RYUICHI
25 granted patents·2 pending applications·247 citations·filing 1997–2017
96Inventor score
Top patents by PatentIndex Score
27 records- 0194US8577277B2Image forming apparatusYOSHIZAWA RYUICHI·Filed 2011·Granted Nov 5, 2013·12 cites·16 claims
- 0294US8060003B2Image forming apparatus wherein a setting unit sets an interval of image formation according to a size of a recording mediumYOSHIZAWA RYUICHI·Filed 2007·Granted Nov 15, 2011·21 cites·16 claims
- 0393US6301452B1Image forming apparatusCANON KK·Filed 2000·Granted Oct 9, 2001·51 cites·218 claims
- 0489US7916318B2Image forming system and image forming methodCANON KK·Filed 2006·Granted Mar 29, 2011·9 cites·13 claims
- 0589US6704521B2Image forming apparatus and image forming methodCANON KK·Filed 2001·Granted Mar 9, 2004·28 cites·39 claims
- 0685US6381419B1Image forming apparatus with developer density and developer remaining amount detection featuresCANON KK·Filed 2000·Granted Apr 30, 2002·25 cites·30 claims
- 0782US10254699B2Image forming apparatus to correct timing of image formationCANON KK·Filed 2017·Granted Apr 9, 2019·2 cites·19 claims
- 0879US6754454B1Image forming apparatus capable of discriminating a service life of detachably mounted process unitCANON KK·Filed 2000·Granted Jun 22, 2004·16 cites·29 claims
- 0978US7110684B2Cartridge for replenishing developer including a memory device and a control system featuring the cartridgeCANON KK·Filed 2002·Granted Sep 19, 2006·14 cites·16 claims
- 1077US7729005B2Image forming apparatus and its control methodCANON KK·Filed 2005·Granted Jun 1, 2010·5 cites·13 claims
- 1177US6044234AImage processing apparatus and method for controlling a detection timing of a density sensorCANON KK·Filed 1998·Granted Mar 28, 2000·26 cites·31 claims
- 1270US9291976B2Image forming apparatus having a conveying path, option apparatus and image forming systemCANON KK·Filed 2015·Granted Mar 22, 2016·2 cites·16 claims
- 1369US8531695B2Image forming system and image forming method with operation continuation determinationNAKAMURA AKIHIRO·Filed 2011·Granted Sep 10, 2013·1 cites·10 claims
- 1466US8000616B2Image forming apparatusCANON KK·Filed 2007·Granted Aug 16, 2011·2 cites·3 claims
- 1564US7802791B2Image forming system and control method therefor, and control unit for image forming apparatusCANON KK·Filed 2006·Granted Sep 28, 2010·2 cites·2 claims
- 1663US7551306B2Image forming apparatus and method for controlling the image forming apparatusCANON KK·Filed 2006·Granted Jun 23, 2009·2 cites·18 claims
- 1762US7190916B2Image forming apparatusCANON KK·Filed 2004·Granted Mar 13, 2007·8 cites·19 claims
- 1862US5809365AImage forming apparatus using intermediate transfer memberCANON KK·Filed 1997·Granted Sep 15, 1998·15 cites·8 claims
- 1959US7595912B2Image forming system and methodCANON KABUSIHIKI KAISHA·Filed 2006·Granted Sep 29, 2009·2 cites·13 claims
- 2054US2011274454A1Image forming apparatusCANON KK·Filed 2011·Application pending·0 cites
- 2148US8687988B2Image forming apparatus for retrying feed of transfer materialYOSHIZAWA RYUICHI·Filed 2010·Granted Apr 1, 2014·0 cites·17 claims
- 2247US7146118B2Image forming apparatus and methodCANON KK·Filed 2005·Granted Dec 5, 2006·0 cites·10 claims
- 2346US8544844B2Image forming system and control method therefor, and control unit for image forming apparatusYOSHIZAWA RYUICHI·Filed 2010·Granted Oct 1, 2013·0 cites·6 claims
- 2446US7251424B2Method and apparatus for timing image formation in an image-forming apparatusCANON KK·Filed 2003·Granted Jul 31, 2007·2 cites·35 claims
- 2545US6718144B2Image forming apparatus and process unit mountable to image forming apparatusCANON KK·Filed 2002·Granted Apr 6, 2004·2 cites·25 claims
- 2644US7398030B2Image forming apparatus and output control method of the sameCANON KK·Filed 2005·Granted Jul 8, 2008·0 cites·14 claims
- 2741US2008187344A1Image forming apparatus and method for controlling feeding of sheetsCANON KK·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →