Inventor · disambiguated record
Masaki Oikawa
Also filed as: OIKAWA MASAKI
60 granted patents·1 pending application·670 citations·filing 1997–2024
98Inventor score
Top patents by PatentIndex Score
61 records- 0196US6830317B2Ink jet recording headCANON KK·Filed 2003·Granted Dec 14, 2004·77 cites·30 claims
- 0294US8087759B2Print head with offset ejection portsOIKAWA MASAKI·Filed 2009·Granted Jan 3, 2012·29 cites·5 claims
- 0394US6652079B2Ink jet recording head with extended electrothermal conversion element life and method of manufacturing the sameCANON KK·Filed 2001·Granted Nov 25, 2003·59 cites·36 claims
- 0493US7172264B2Ink jet recording heat and ink discharge methodCANON KK·Filed 2005·Granted Feb 6, 2007·12 cites·1 claims
- 0593US6976748B2Ink jet head and printerCANON KK·Filed 2003·Granted Dec 20, 2005·50 cites·11 claims
- 0693US6652055B2Ink jet printing apparatus and ink jet printing methodCANON KK·Filed 2001·Granted Nov 25, 2003·49 cites·42 claims
- 0790US8757776B2Ink 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
- 0889US7963635B2Inkjet print headCANON KK·Filed 2008·Granted Jun 21, 2011·11 cites·6 claims
- 0989US7387371B2Liquid discharge headCANON KK·Filed 2005·Granted Jun 17, 2008·9 cites·5 claims
- 1089US6988786B2Ink jet recording head and ink discharge methodCANON KK·Filed 2003·Granted Jan 24, 2006·29 cites·3 claims
- 1188US7832843B2Liquid jet headCANON KK·Filed 2007·Granted Nov 16, 2010·10 cites·11 claims
- 1288US7287838B2Liquid discharge head having protective film for heating element and substrate thereforCANON KK·Filed 2005·Granted Oct 30, 2007·10 cites·12 claims
- 1388US6984025B2Ink jet headCANON KK·Filed 2003·Granted Jan 10, 2006·33 cites·9 claims
- 1487US9138995B2Liquid ejection head, liquid ejection method, and printing apparatus employing this ejection headCANON KK·Filed 2014·Granted Sep 22, 2015·5 cites·4 claims
- 1587US8231203B2Ink jet print head, ink jet printing apparatus and ink jet printing methodAKAMA YUICHIRO·Filed 2009·Granted Jul 31, 2012·13 cites·11 claims
- 1686US7735962B2Ink jet print headCANON KK·Filed 2008·Granted Jun 15, 2010·7 cites·11 claims
- 1785US7784904B2Liquid jet headCANON KK·Filed 2008·Granted Aug 31, 2010·8 cites·12 claims
- 1885US7591537B2Ink jet recording headCANON KK·Filed 2007·Granted Sep 22, 2009·8 cites·10 claims
- 1984US7077503B2Ink jet headCANON KK·Filed 2003·Granted Jul 18, 2006·24 cites·16 claims
- 2083US8287091B2Inkjet printing apparatus and inkjet printing methodKYOSHIMA MASAYUKI·Filed 2010·Granted Oct 16, 2012·6 cites·6 claims
- 2183US8177329B2Ink jet print headMATSUMOTO MITSUHIRO·Filed 2010·Granted May 15, 2012·3 cites·5 claims
- 2283US8100505B2Liquid ejecting head and manufacturing dimension control methodKURODA TOMOTSUGU·Filed 2008·Granted Jan 24, 2012·9 cites·6 claims
- 2382US9616664B2Liquid ejection headCANON KK·Filed 2016·Granted Apr 11, 2017·2 cites·8 claims
- 2482US9193160B1Liquid ejection headCANON KK·Filed 2015·Granted Nov 24, 2015·2 cites·18 claims
- 2582US8500265B2Ink 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
- 2681US7695088B2Ink jet printing apparatus and ink jet printing methodCANON KK·Filed 2007·Granted Apr 13, 2010·6 cites·8 claims
- 2779US9266325B2Print head and inkjet printing apparatusTOMIZAWA KEIJI·Filed 2012·Granted Feb 23, 2016·3 cites·16 claims
- 2879US8162446B2Print headTOMIZAWA KEIJI·Filed 2008·Granted Apr 24, 2012·6 cites·6 claims
- 2978US7938511B2Liquid ejection head, inkjet printing apparatus and liquid ejecting methodCANON KK·Filed 2008·Granted May 10, 2011·5 cites·10 claims
- 3075US7527352B2Ink jet recording head and ink discharge methodCANON KK·Filed 2006·Granted May 5, 2009·3 cites·2 claims
- 3173US8210655B2Liquid ejection head and manufacturing method of liquid ejection headMURAOKA CHIAKI·Filed 2009·Granted Jul 3, 2012·4 cites·8 claims
- 3272US8342631B2Inkjet print apparatus and inkjet print methodCANON KK·Filed 2010·Granted Jan 1, 2013·3 cites·5 claims
- 3372US6648439B2Image printing apparatus and control method thereforCANON KK·Filed 2002·Granted Nov 18, 2003·12 cites·33 claims
- 3471US7771026B2Ink jet recording head and liquid jetting methodCANON KK·Filed 2007·Granted Aug 10, 2010·3 cites·9 claims
- 3570US6371609B1Recording apparatus and a recording methodCANON KK·Filed 1998·Granted Apr 16, 2002·27 cites·23 claims
- 3669US6460976B1Printing apparatus having control means of controlling timing for driving blocks of print elementsCANON KK·Filed 1999·Granted Oct 8, 2002·25 cites·12 claims
- 3768US6224191B1Ink jet recording headCANON KK·Filed 1998·Granted May 1, 2001·24 cites·5 claims
- 3865US8845081B2Liquid discharge headOIKAWA MASAKI·Filed 2012·Granted Sep 30, 2014·1 cites·13 claims
- 3964US7963633B2Ink jet recording head and ink jet recording apparatusCANON KK·Filed 2007·Granted Jun 21, 2011·2 cites·9 claims
- 4064US6164773AInk-jet printing apparatus and printing method using ink improving liquidCANON KK·Filed 1997·Granted Dec 26, 2000·21 cites·20 claims
- 4161US11173713B2Liquid discharge headCANON KK·Filed 2020·Granted Nov 16, 2021·0 cites·15 claims
- 4261US7172268B2Ink jet head, method for driving the same, and ink jet recording apparatusCANON KK·Filed 2004·Granted Feb 6, 2007·7 cites·17 claims
- 4359US10322578B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2018·Granted Jun 18, 2019·0 cites·20 claims
- 4459US8376522B2Liquid ejection head and printing apparatusCANON KK·Filed 2008·Granted Feb 19, 2013·1 cites·11 claims
- 4559US6296342B1Ink jet recording apparatus and a method for discharge recovery thereofCANON KK·Filed 1997·Granted Oct 2, 2001·17 cites·12 claims
- 4659US2024355554A1Solid electrolytic capacitor and method of manufacturing solid electrolytic capacitorTDK CORP·Filed 2024·Application pending·0 cites
- 4753US10040285B2Liquid ejection head and liquid ejection device, and aging treatment method and initial setup method for a liquid ejection deviceCANON KK·Filed 2016·Granted Aug 7, 2018·0 cites·24 claims
- 4852US9630409B2Liquid discharge headCANON KK·Filed 2016·Granted Apr 25, 2017·0 cites·13 claims
- 4951US7585056B2Liquid discharge headCANON KK·Filed 2008·Granted Sep 8, 2009·0 cites·5 claims
- 5051US7216961B2Ink jet head having heat accumulation layer and protection film method of driving thereof and ink jet recording apparatus provided therewithCANON KK·Filed 2004·Granted May 15, 2007·4 cites·6 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →