Inventor · disambiguated record
Masataka Nagai
Also filed as: NAGAI MASATAKA
21 granted patents·3 pending applications·13 citations·filing 2009–2024
89Inventor score
Top patents by PatentIndex Score
24 records- 0187US8652767B2Liquid ejection head and process for producing the sameWATANABE MAKOTO·Filed 2012·Granted Feb 18, 2014·5 cites·4 claims
- 0286US11701888B2Container for liquid replenishment and liquid replenishment structureCANON KK·Filed 2021·Granted Jul 18, 2023·1 cites·13 claims
- 0377US9162459B2Liquid ejection headCANON KK·Filed 2014·Granted Oct 20, 2015·2 cites·16 claims
- 0467US9266330B2Process for producing a semiconductor chipCANON KK·Filed 2014·Granted Feb 23, 2016·1 cites·4 claims
- 0567US8286351B2Manufacturing method of liquid discharge headEDAMATSU KEIJI·Filed 2011·Granted Oct 16, 2012·4 cites·4 claims
- 0662US11110719B2Liquid discharge headCANON KK·Filed 2020·Granted Sep 7, 2021·0 cites·15 claims
- 0759US2025115045A1Liquid ejection headCANON KK·Filed 2024·Application pending·0 cites
- 0858US2025018714A1Manufacturing method of liquid discharge headCANON KK·Filed 2024·Application pending·0 cites
- 0953US11135841B2Liquid discharge head and manufacturing method of the sameCANON KK·Filed 2020·Granted Oct 5, 2021·0 cites·20 claims
- 1052US9023593B2Method of manufacturing liquid ejection headCANON KK·Filed 2014·Granted May 5, 2015·0 cites·6 claims
- 1150US10365563B2Film formation method, dry film manufacturing method and liquid ejection head manufacturing methodCANON KK·Filed 2018·Granted Jul 30, 2019·0 cites·20 claims
- 1250US9146461B2Method of making nozzle chipCANON KK·Filed 2014·Granted Sep 29, 2015·0 cites·9 claims
- 1349US11351779B2Liquid ejection headCANON KK·Filed 2020·Granted Jun 7, 2022·0 cites·20 claims
- 1449US9102149B2Liquid ejection headCANON KK·Filed 2014·Granted Aug 11, 2015·0 cites·8 claims
- 1549US8256878B2Substrate for ink ejection heads, ink ejection head, method of manufacturing substrate, and method of manufacturing ink ejection headIBE SATOSHI·Filed 2009·Granted Sep 4, 2012·0 cites·8 claims
- 1648US9039143B2Ink jet recording head and method for manufacturing the sameCANON KK·Filed 2014·Granted May 26, 2015·0 cites·10 claims
- 1747US9114614B2Liquid ejection headCANON KK·Filed 2014·Granted Aug 25, 2015·0 cites·7 claims
- 1846US10500861B2Method for manufacturing liquid ejection headCANON KK·Filed 2017·Granted Dec 10, 2019·0 cites·13 claims
- 1943US10538090B2Method for manufacturing perforated substrate, method for manufacturing liquid ejection head, and method for detecting flawCANON KK·Filed 2017·Granted Jan 21, 2020·0 cites·16 claims
- 2042US8388084B2Liquid ejection head, method for evaluation of liquid ejection head, and liquid ejection apparatus having liquid ejection headNAGAI MASATAKA·Filed 2010·Granted Mar 5, 2013·0 cites·15 claims
- 2140US8500233B2Liquid ejection head having a light receiving element and a method of inspecting liquid ejection headNAGAI MASATAKA·Filed 2011·Granted Aug 6, 2013·0 cites·11 claims
- 2240US8133662B2Method for manufacturing liquid discharge headWATANABE MAKOTO·Filed 2010·Granted Mar 13, 2012·0 cites·7 claims
- 2337US10274826B2Method for imparting water repellency to surface of memberCANON KK·Filed 2016·Granted Apr 30, 2019·0 cites·8 claims
- 2436US2012139998A1Liquid ejection head and method of producing the sameCHIDA MITSURU·Filed 2011·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →