Inventor · disambiguated record
Kei Sawanaka
Also filed as: SAWANAKA KEI
13 granted patents·1 pending application·82 citations·filing 2001–2021
89Inventor score
Top patents by PatentIndex Score
14 records- 0192US7913996B2Sheet feeding apparatus and image forming apparatusCANON KK·Filed 2006·Granted Mar 29, 2011·13 cites·10 claims
- 0292US7460825B2Sheet feeding apparatus and sheet processing apparatusCANON KK·Filed 2005·Granted Dec 2, 2008·17 cites·9 claims
- 0387US6493534B2Sheet conveying apparatus and image forming apparatusCANON KK·Filed 2001·Granted Dec 10, 2002·28 cites·22 claims
- 0486US7758042B2Sheet feeding apparatus and image forming apparatusCANON KK·Filed 2007·Granted Jul 20, 2010·8 cites·12 claims
- 0580US8262084B2Sheet feeding apparatus and image forming apparatus with sheet feeding cassette and associated locking meansNISHIKATA KAZUSHI·Filed 2011·Granted Sep 11, 2012·4 cites·4 claims
- 0672US8322705B2Image forming apparatusOKA HENRIQUE MASSANORI·Filed 2010·Granted Dec 4, 2012·4 cites·6 claims
- 0770US9134693B2Image forming apparatus with developing unit and control method thereforCANON KK·Filed 2013·Granted Sep 15, 2015·1 cites·10 claims
- 0869US11753262B2Sheet container and image forming apparatusCANON KK·Filed 2021·Granted Sep 12, 2023·0 cites·7 claims
- 0961US11066261B2Sheet container and image forming apparatusCANON KK·Filed 2019·Granted Jul 20, 2021·0 cites·15 claims
- 1059US6678481B2Image forming apparatus with openable-and-closable member positionable switch featureCANON KK·Filed 2002·Granted Jan 13, 2004·7 cites·8 claims
- 1152US8342514B2Sheet feeding apparatus and image forming apparatusCANON KK·Filed 2010·Granted Jan 1, 2013·0 cites·14 claims
- 1250US9152092B2Image forming apparatusCANON KK·Filed 2012·Granted Oct 6, 2015·0 cites·23 claims
- 1340US2006237895A1Sheet feeding apparatus and image forming apparatusCANON KK·Filed 2006·Application pending·0 cites
- 1433US8955842B2Image forming apparatusSAWANAKA KEI·Filed 2012·Granted Feb 17, 2015·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →