Inventor · disambiguated record
Kenji Koido
Also filed as: KOIDO KENJI
14 granted patents·9 pending applications·5 citations·filing 2002–2018
84Inventor score
Technology areasG03G
Top patents by PatentIndex Score
23 records- 0174US9207556B2Image formation apparatus having cleaning mode to clean charging device configured to charge image carrierOKI DATA KK·Filed 2014·Granted Dec 8, 2015·2 cites·16 claims
- 0268US8903281B2Image forming apparatus including an image forming unit with white developerOKI DATA KK·Filed 2012·Granted Dec 2, 2014·1 cites·26 claims
- 0358US7286781B2Developer, image forming method and image forming apparatusOKI DATA KK·Filed 2005·Granted Oct 23, 2007·2 cites·12 claims
- 0453US8285162B2Image forming apparatus that includes a first developing device that holds a black developer and a second developing device that holds a gray developerKOIDO KENJI·Filed 2011·Granted Oct 9, 2012·0 cites·23 claims
- 0548US8086125B2Image forming apparatus that includes a first developing device that holds a black developer and a second developing device that holds a gray developerKOIDO KENJI·Filed 2008·Granted Dec 27, 2011·0 cites·20 claims
- 0648US2011103841A1Developer, developer cartridge, developing unit, and image forming apparatusKOIDO KENJI·Filed 2011·Application pending·0 cites
- 0746US9134648B2Image forming unit and image forming apparatusOKI DATA KK·Filed 2013·Granted Sep 15, 2015·0 cites·22 claims
- 0846US8182972B2Developer, developer storage unit, developing device, and image forming apparatusKOIDO KENJI·Filed 2008·Granted May 22, 2012·0 cites·13 claims
- 0946US7282315B2Developer, developer cartridge, and image forming apparatusOKI DATA KK·Filed 2005·Granted Oct 16, 2007·0 cites·9 claims
- 1045US7745086B2Developer material, developer material cartridge, image forming device, and image forming apparatusOKI DATA KK·Filed 2007·Granted Jun 29, 2010·0 cites·20 claims
- 1145US2007160925A1Developer, developer cartridge, developing unit, and image forming apparatusOKI DATA KK·Filed 2006·Application pending·0 cites
- 1244US10437184B2Image forming apparatusOKI DATA KK·Filed 2018·Granted Oct 8, 2019·0 cites·9 claims
- 1344US8401453B2Cleaning device and image forming apparatusKOIDO KENJI·Filed 2010·Granted Mar 19, 2013·0 cites·20 claims
- 1442US8447222B2Image forming unit with developer collector contacting image carrier at predetermined contact pressure, and image forming deviceKOIDO KENJI·Filed 2010·Granted May 21, 2013·0 cites·22 claims
- 1540US2009317144A1Image forming unit and image forming apparatusOKI DATA KK·Filed 2009·Application pending·0 cites
- 1639US2009080940A1Developer, developer cartridge, image forming unit and image forming apparatusOKI DATA KK·Filed 2008·Application pending·0 cites
- 1736US7090954B2Developer, developer cartridge, and image forming apparatusOKI DATA KK·Filed 2003·Granted Aug 15, 2006·0 cites·9 claims
- 1836US2007048038A1Image forming apparatusOKI DATA KK·Filed 2006·Application pending·0 cites
- 1934US2017031268A1Developing device and image forming apparatusOKI DATA KK·Filed 2016·Application pending·0 cites
- 2033US6661988B2Image-forming apparatus having a silicone roller to prevent filming effectOKI DATA KK·Filed 2002·Granted Dec 9, 2003·0 cites·13 claims
- 2133US2010232850A1Image forming unit and image forming apparatusOKI DATA KK·Filed 2010·Application pending·0 cites
- 2231US2003186149A1Developer, cartridge holding developer, and image forming apparatusFiled 2003·Application pending·0 cites
- 2331US2003224273A1Developer, developer cartridge, and image forming apparatusFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →