Inventor · disambiguated record
Yasumasa Otsuka
Also filed as: OTSUKA YASUMASA
13 granted patents·1 pending application·298 citations·filing 1990–2013
93Inventor score
Top patents by PatentIndex Score
14 records- 0193US6175699B1Image fixing device with heater controlCANON KK·Filed 1999·Granted Jan 16, 2001·63 cites·18 claims
- 0291US5819149AImage forming apparatus preventing change of size of imageCANON KK·Filed 1996·Granted Oct 6, 1998·55 cites·26 claims
- 0390US6094559AFixing apparatus having cleaning mode and storage medium storing program thereforCANON KK·Filed 1998·Granted Jul 25, 2000·52 cites·69 claims
- 0481US5331384AFixing apparatus having temperature controller which controls temperature according to width size and number of recording sheetsCANON KK·Filed 1992·Granted Jul 19, 1994·27 cites·24 claims
- 0580US5321482AProcess cartridge and image forming apparatus including a lubricant provided on a cleaning member for cleaning an image bearing memberCANON KK·Filed 1992·Granted Jun 14, 1994·22 cites·33 claims
- 0676US6526251B1Image forming apparatus having transferring roller of small diameterCANON KK·Filed 2000·Granted Feb 25, 2003·16 cites·3 claims
- 0774US6518546B2Heater having electronically conductive board and image heating apparatus using heaterCANON KK·Filed 2001·Granted Feb 11, 2003·18 cites·11 claims
- 0874US6455811B2Image heating apparatus and heater used in this apparatusCANON KK·Filed 2001·Granted Sep 24, 2002·14 cites·21 claims
- 0963US6865362B2Heater having metallic substrate and image heating apparatus using heaterCANON KK·Filed 2002·Granted Mar 8, 2005·9 cites·7 claims
- 1058US6366745B1Image forming apparatus having a mechanism to clean a driving roller by a recording materialCANON KK·Filed 2000·Granted Apr 2, 2002·7 cites·5 claims
- 1153US5589924AElectrophotographic image forming systemCANON KK·Filed 1995·Granted Dec 31, 1996·9 cites·22 claims
- 1242US6424814B2Image forming apparatus using shaped toner particles and transfer roller pressure for fine image qualityCANON KK·Filed 2001·Granted Jul 23, 2002·2 cites·17 claims
- 1338US2014186077A1Fixing device and electrophotographic image forming apparatus having the sameSAMSUNG ELECTRONICS CO LTD·Filed 2013·Application pending·0 cites
- 1437US5157442AImage forming apparatusCANON KK·Filed 1990·Granted Oct 20, 1992·4 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →