Inventor · disambiguated record
Kouichirou Okumura
Also filed as: OKUMURA KOUICHIROU
5 granted patents·1 pending application·44 citations·filing 2004–2024
79Inventor score
Top patents by PatentIndex Score
6 records- 0193US10125284B2Aqueous ink, ink cartridge, and ink jet recording methodCANON KK·Filed 2017·Granted Nov 13, 2018·5 cites·12 claims
- 0287US8690307B2Ink jet ink, ink cartridge, and ink jet recording methodOKUMURA KOUICHIROU·Filed 2012·Granted Apr 8, 2014·8 cites·7 claims
- 0386US8684509B2Ink jet ink, ink cartridge, and ink jet recording methodYAMASAKI KOUSUKE·Filed 2012·Granted Apr 1, 2014·5 cites·6 claims
- 0484US9243155B2Ink jet ink, ink cartridge, and ink jet recording methodOKAMURA DAIJI·Filed 2012·Granted Jan 26, 2016·4 cites·12 claims
- 0576US7060961B2Image sensing element and optical instrument having improved incident light use efficiencyCANON KK·Filed 2004·Granted Jun 13, 2006·22 cites·11 claims
- 0660US2024287311A1Quinacridone solid solution pigment, pigment dispersion, method of producing quinacridone solid solution pigment, method of producing pigment dispersion, and inkCANON KK·Filed 2024·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →