Inventor · disambiguated record
Daiji Okamura
Also filed as: OKAMURA DAIJI
44 granted patents·2 pending applications·809 citations·filing 2005–2024
98Inventor score
Top patents by PatentIndex Score
46 records- 0198US7618484B2Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatusCANON KK·Filed 2008·Granted Nov 17, 2009·43 cites·11 claims
- 0298US7297197B2Ink jet ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatusCANON KK·Filed 2007·Granted Nov 20, 2007·44 cites·15 claims
- 0398US7270701B2Ink jet ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatusCANON KK·Filed 2006·Granted Sep 18, 2007·64 cites·6 claims
- 0498US7247196B2Ink jet black ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatusCANON KK·Filed 2006·Granted Jul 24, 2007·47 cites·8 claims
- 0598US7247194B2Ink jet ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatusCANON KK·Filed 2005·Granted Jul 24, 2007·50 cites·16 claims
- 0698US7198665B2Ink jet black ink, ink set, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatusCANON KK·Filed 2005·Granted Apr 3, 2007·46 cites·12 claims
- 0798US7198664B2Ink jet black ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatusCANON KK·Filed 2006·Granted Apr 3, 2007·41 cites·9 claims
- 0898US7160372B2Ink jet ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatusCANON KK·Filed 2005·Granted Jan 9, 2007·65 cites·18 claims
- 0998US7144452B2Ink jet black ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatusCANON KK·Filed 2005·Granted Dec 5, 2006·56 cites·7 claims
- 1097US7611571B2Ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatusCANON KK·Filed 2008·Granted Nov 3, 2009·38 cites·7 claims
- 1197US7553358B2Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatusCANON KK·Filed 2008·Granted Jun 30, 2009·28 cites·9 claims
- 1297US7201791B2Ink jet light-color ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatusCANON KK·Filed 2006·Granted Apr 10, 2007·38 cites·20 claims
- 1396US7699924B2Aqueous ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatusCANON KK·Filed 2007·Granted Apr 20, 2010·23 cites·19 claims
- 1496US7682433B2Ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatusCANON KK·Filed 2008·Granted Mar 23, 2010·28 cites·14 claims
- 1596US7566362B2Ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatusCANON KK·Filed 2008·Granted Jul 28, 2009·47 cites·13 claims
- 1695US9452608B2Ink, ink cartridge and ink jet recording methodCANON KK·Filed 2013·Granted Sep 27, 2016·13 cites·18 claims
- 1795US9387679B2Ink jet recording method and ink jet recording apparatusCANON KK·Filed 2014·Granted Jul 12, 2016·12 cites·21 claims
- 1894US10253197B2Aqueous ink, ink cartridge and ink jet recording methodCANON KK·Filed 2018·Granted Apr 9, 2019·4 cites·10 claims
- 1994US9169413B2Ink, ink cartridge and ink jet recording methodCANON KK·Filed 2013·Granted Oct 27, 2015·10 cites·19 claims
- 2094US8029612B2Ink jet ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatusCANON KK·Filed 2009·Granted Oct 4, 2011·22 cites·11 claims
- 2193US10125284B2Aqueous ink, ink cartridge, and ink jet recording methodCANON KK·Filed 2017·Granted Nov 13, 2018·5 cites·12 claims
- 2293US8016932B2Aqueous ink, ink set, image forming method and image forming apparatusCANON KK·Filed 2008·Granted Sep 13, 2011·15 cites·8 claims
- 2390US10301495B2Ink jet recording method and ink jet recording apparatusCANON KK·Filed 2017·Granted May 28, 2019·2 cites·17 claims
- 2490US8757776B2Ink jet ink, ink set, ink jet recording method, ink cartridge, recording unit and ink jet recording appratusCANON KK·Filed 2013·Granted Jun 24, 2014·5 cites·23 claims
- 2589US11613129B2Aqueous ink, ink cartridge and ink jet recording methodCANON KK·Filed 2020·Granted Mar 28, 2023·2 cites·20 claims
- 2689US8123846B2Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatusYAMAKAMI HIDEKI·Filed 2009·Granted Feb 28, 2012·12 cites·11 claims
- 2788US9499704B2Ink, ink cartridge, and ink jet recording methodCANON KK·Filed 2014·Granted Nov 22, 2016·4 cites·15 claims
- 2887US8690307B2Ink jet ink, ink cartridge, and ink jet recording methodOKUMURA KOUICHIROU·Filed 2012·Granted Apr 8, 2014·8 cites·7 claims
- 2986US8684509B2Ink jet ink, ink cartridge, and ink jet recording methodYAMASAKI KOUSUKE·Filed 2012·Granted Apr 1, 2014·5 cites·6 claims
- 3084US11492483B2Aqueous ink, ink cartridge and ink jet recording methodCANON KK·Filed 2020·Granted Nov 8, 2022·1 cites·10 claims
- 3184US9243155B2Ink jet ink, ink cartridge, and ink jet recording methodOKAMURA DAIJI·Filed 2012·Granted Jan 26, 2016·4 cites·12 claims
- 3283US2025109308A1Ink jet recording method and ink jet recording apparatusCANON KK·Filed 2024·Application pending·0 cites
- 3382US8500265B2Ink jet ink, ink set, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatusYAMAKAMI HIDEKI·Filed 2009·Granted Aug 6, 2013·6 cites·15 claims
- 3480US12209193B2Ink jet recording method and ink jet recording apparatusCANON KK·Filed 2022·Granted Jan 28, 2025·0 cites·12 claims
- 3580US8960878B2Ink jet ink, ink jet recording method, and ink cartridgeICHINOSE HIROFUMI·Filed 2011·Granted Feb 24, 2015·4 cites·13 claims
- 3680US8911071B2Ink jet ink, ink cartridge, and ink jet recording methodNISHINO YUUKI·Filed 2011·Granted Dec 16, 2014·3 cites·9 claims
- 3779US9505941B2Ink, ink cartridge, and inkjet recording methodCANON KK·Filed 2013·Granted Nov 29, 2016·2 cites·19 claims
- 3879US8757788B2Ink jet ink, ink cartridge, and ink jet recording methodOKAMURA DAIJI·Filed 2010·Granted Jun 24, 2014·3 cites·8 claims
- 3978US12466969B2Aqueous ink, ink cartridge and ink jet recording methodCANON KK·Filed 2023·Granted Nov 11, 2025·0 cites·20 claims
- 4076US8636839B2Ink jet ink, ink cartridge, and ink jet recording methodYAMASAKI KOUSUKE·Filed 2010·Granted Jan 28, 2014·2 cites·6 claims
- 4174US8991993B2Ink, ink cartridge, and inkjet recording methodCANON KK·Filed 2013·Granted Mar 31, 2015·1 cites·15 claims
- 4274US8163817B2Aqueous ink, ink set, image forming method and image forming apparatusNISHINO YUUKI·Filed 2008·Granted Apr 24, 2012·2 cites·9 claims
- 4373US7717991B2Inkjet ink, method for producing the same, ink cartridge, and inkjet recording methodCANON KK·Filed 2009·Granted May 18, 2010·2 cites·10 claims
- 4470US7981206B2Inkjet ink, method for producing the same, ink cartridge, and inkjet recording methodCANON KK·Filed 2009·Granted Jul 19, 2011·1 cites·9 claims
- 4569US8641182B2Ink jet ink, ink cartridge, and ink jet recording methodNISHIGUCHI KENJI·Filed 2011·Granted Feb 4, 2014·1 cites·14 claims
- 4653US2014378609A1Ink, ink cartridge, and ink jet recording methodCANON KK·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →