Inventor · disambiguated record
Takatsuna Aoki
Also filed as: AOKI TAKATSUNA
53 granted patents·3 pending applications·402 citations·filing 2007–2025
98Inventor score
Technology areasB41J
Top patents by PatentIndex Score
56 records- 0198US10471711B2Printing apparatus, printing method, and mediumCANON KK·Filed 2018·Granted Nov 12, 2019·14 cites·19 claims
- 0298US10195868B2Liquid ejecting apparatus and liquid ejecting headCANON KK·Filed 2017·Granted Feb 5, 2019·15 cites·18 claims
- 0398US10040290B2Liquid ejection head, liquid ejection apparatus, and method of supplying liquidCANON KK·Filed 2016·Granted Aug 7, 2018·14 cites·26 claims
- 0498US10005287B2Liquid ejection apparatus, liquid ejection head, and method of supplying liquidCANON KK·Filed 2016·Granted Jun 26, 2018·16 cites·22 claims
- 0598US9994040B2Liquid ejection apparatus, liquid ejection method, and liquid ejection headCANON KK·Filed 2017·Granted Jun 12, 2018·15 cites·20 claims
- 0698US9981464B2Printing apparatus, printing method, and mediumCANON KK·Filed 2016·Granted May 29, 2018·19 cites·19 claims
- 0798US9975340B2Printing apparatus and mediumCANON KK·Filed 2016·Granted May 22, 2018·26 cites·11 claims
- 0898US9914308B2Liquid ejection apparatus and liquid ejection headCANON KK·Filed 2016·Granted Mar 13, 2018·29 cites·20 claims
- 0998US7914106B2Recording head and recording apparatus, and inspection apparatus of recording head and method thereofCANON KK·Filed 2010·Granted Mar 29, 2011·17 cites·12 claims
- 1097US9962937B2Liquid ejection head and liquid ejection deviceCANON KK·Filed 2016·Granted May 8, 2018·12 cites·24 claims
- 1196US10179453B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2016·Granted Jan 15, 2019·6 cites·36 claims
- 1296US10022979B2Liquid ejection head, liquid ejection apparatus, and manufacturing methodCANON KK·Filed 2016·Granted Jul 17, 2018·9 cites·22 claims
- 1396US8517518B2Recording apparatus and liquid ejection headKASHU RYOTA·Filed 2011·Granted Aug 27, 2013·48 cites·23 claims
- 1495US7722148B2Liquid discharge head and liquid discharge apparatus using liquid discharge headCANON KK·Filed 2007·Granted May 25, 2010·16 cites·2 claims
- 1594US10919301B2Liquid ejection head, liquid ejection apparatus, and method of supplying liquidCANON KK·Filed 2019·Granted Feb 16, 2021·3 cites·20 claims
- 1694US10363747B2Liquid ejection head, liquid ejection apparatus, and method of supplying liquidCANON KK·Filed 2018·Granted Jul 30, 2019·3 cites·39 claims
- 1794US9108425B2Recording apparatus and liquid ejection headCANON KK·Filed 2014·Granted Aug 18, 2015·6 cites·10 claims
- 1894US8287082B2Method of detecting discharging state of inkjet recording headAOKI TAKATSUNA·Filed 2011·Granted Oct 16, 2012·9 cites·5 claims
- 1993US9902157B2Liquid ejection substrate, liquid ejection head, and liquid ejection apparatusCANON KK·Filed 2016·Granted Feb 27, 2018·4 cites·21 claims
- 2093US8186798B2Ink jet recording apparatus that measures change in temperature after heater is driven and determines discharge state and method for determining discharge stateAOKI TAKATSUNA·Filed 2007·Granted May 29, 2012·17 cites·5 claims
- 2193US7950765B2Liquid discharge head and liquid discharge apparatus using liquid discharge headCANON KK·Filed 2010·Granted May 31, 2011·6 cites·4 claims
- 2292US10214014B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2017·Granted Feb 26, 2019·4 cites·15 claims
- 2392US10040292B2Liquid ejection substrate, liquid ejection head, and liquid ejection apparatusCANON KK·Filed 2018·Granted Aug 7, 2018·3 cites·20 claims
- 2492US8794746B2Recording apparatus and liquid ejection headCANON KK·Filed 2013·Granted Aug 5, 2014·5 cites·8 claims
- 2592US7806503B2Printing apparatus and ink discharge failure detection methodCANON KK·Filed 2007·Granted Oct 5, 2010·12 cites·10 claims
- 2691US9925792B2Liquid discharge head, liquid discharge apparatus, and liquid discharge methodCANON KK·Filed 2016·Granted Mar 27, 2018·3 cites·37 claims
- 2791US9085144B2Liquid ejection head and inkjet printing apparatusCANON KK·Filed 2014·Granted Jul 21, 2015·6 cites·13 claims
- 2891US8794733B2Recording head and recording apparatus using the recording headKANNO HIDEO·Filed 2010·Granted Aug 5, 2014·7 cites·5 claims
- 2990US10518548B2Liquid ejection head, liquid ejection apparatus and method of manufacturing liquid ejection headCANON KK·Filed 2018·Granted Dec 31, 2019·3 cites·14 claims
- 3090US10350885B2Liquid discharge device and liquid discharge headCANON KK·Filed 2017·Granted Jul 16, 2019·3 cites·29 claims
- 3190US7802866B2Recording head that detects temperature information corresponding to a plurality of electro-thermal transducers on the recording head and recording apparatus using the recording headCANON KK·Filed 2007·Granted Sep 28, 2010·10 cites·15 claims
- 3289US8210640B2Recording head and recording apparatus, and inspection apparatus of recording head and method thereofTAKABAYASHI HIROSHI·Filed 2011·Granted Jul 3, 2012·5 cites·14 claims
- 3389US7673961B2Inspection method for a recording head, inspection apparatus for a recording head, and recording apparatusCANON KK·Filed 2007·Granted Mar 9, 2010·10 cites·6 claims
- 3487US8172355B2Liquid discharge head and liquid discharge apparatus using liquid discharge headTAKABAYASHI HIROSHI·Filed 2011·Granted May 8, 2012·4 cites·5 claims
- 3586US10688788B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2018·Granted Jun 23, 2020·1 cites·15 claims
- 3685US10293604B2Liquid ejection head, liquid ejection apparatus, and temperature control method for liquid ejection headCANON KK·Filed 2017·Granted May 21, 2019·2 cites·16 claims
- 3785US7690751B2Recording head and recording apparatus, and inspection apparatus of recording head and method thereofCANON KK·Filed 2007·Granted Apr 6, 2010·6 cites·6 claims
- 3884US10160204B2Liquid ejection headCANON KK·Filed 2017·Granted Dec 25, 2018·2 cites·5 claims
- 3983US8408673B2Printing apparatus and ink discharge failure detection methodAOKI TAKATSUNA·Filed 2010·Granted Apr 2, 2013·3 cites·7 claims
- 4081US8075101B2Recording head driving method and recording apparatusAOKI TAKATSUNA·Filed 2008·Granted Dec 13, 2011·5 cites·8 claims
- 4179US9751310B2Method for manufacturing liquid ejection headCANON KK·Filed 2014·Granted Sep 5, 2017·2 cites·6 claims
- 4279US2025178352A1Liquid ejection head, liquid ejection apparatus, and method of supplying liquidCANON KK·Filed 2025·Application pending·0 cites
- 4377US11642891B2Liquid ejection head, liquid ejection apparatus, and method of supplying liquidCANON KK·Filed 2020·Granted May 9, 2023·0 cites·19 claims
- 4476US12319064B2Liquid ejection head, liquid ejection apparatus, and method of supplying liquidCANON KK·Filed 2022·Granted Jun 3, 2025·0 cites·14 claims
- 4575US11186088B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2020·Granted Nov 30, 2021·0 cites·15 claims
- 4675US10457062B2Liquid discharge headCANON KK·Filed 2017·Granted Oct 29, 2019·1 cites·12 claims
- 4771US10625504B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2018·Granted Apr 21, 2020·0 cites·24 claims
- 4870US8197021B2Recording head driving method and recording apparatusAOKI TAKATSUNA·Filed 2011·Granted Jun 12, 2012·1 cites·7 claims
- 4968US10336073B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2017·Granted Jul 2, 2019·0 cites·36 claims
- 5063US10201980B2Liquid discharge head, liquid discharge apparatus, and liquid discharge methodCANON KK·Filed 2018·Granted Feb 12, 2019·0 cites·14 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →