Inventor · disambiguated record
Yoshiyuki Nakagawa
Also filed as: NAKAGAWA YOSHIYUKI
125 granted patents·23 pending applications·455 citations·filing 1986–2025
99Inventor score
Top patents by PatentIndex Score
148 records- 0198US10471711B2Printing apparatus, printing method, and mediumCANON KK·Filed 2018·Granted Nov 12, 2019·14 cites·19 claims
- 0298US10300707B2Liquid ejecting moduleCANON KK·Filed 2018·Granted May 28, 2019·17 cites·13 claims
- 0398US10040290B2Liquid ejection head, liquid ejection apparatus, and method of supplying liquidCANON KK·Filed 2016·Granted Aug 7, 2018·14 cites·26 claims
- 0498US9981464B2Printing apparatus, printing method, and mediumCANON KK·Filed 2016·Granted May 29, 2018·19 cites·19 claims
- 0598US9931845B2Liquid ejection module and liquid ejection headCANON KK·Filed 2016·Granted Apr 3, 2018·19 cites·20 claims
- 0697US11298954B2Liquid discharge head and liquid discharge methodCANON KK·Filed 2020·Granted Apr 12, 2022·3 cites·19 claims
- 0797US10538087B2Liquid ejecting head and liquid ejecting apparatusCANON KK·Filed 2018·Granted Jan 21, 2020·10 cites·19 claims
- 0896US12064975B2Liquid discharge head and liquid discharge methodCANON KK·Filed 2023·Granted Aug 20, 2024·1 cites·11 claims
- 0996US10792930B2Liquid ejection apparatus and liquid ejection headCANON KK·Filed 2018·Granted Oct 6, 2020·10 cites·24 claims
- 1096US10583662B2Liquid supply apparatus, liquid ejection head, and liquid supply methodCANON KK·Filed 2018·Granted Mar 10, 2020·9 cites·12 claims
- 1196US10421287B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2018·Granted Sep 24, 2019·9 cites·16 claims
- 1296US10336091B2Liquid discharge head and liquid discharge methodCANON KK·Filed 2016·Granted Jul 2, 2019·9 cites·18 claims
- 1396US9975347B2Liquid ejection apparatus and liquid ejection methodCANON KK·Filed 2016·Granted May 22, 2018·14 cites·11 claims
- 1494US11724495B2Liquid ejection module and liquid ejection headCANON KK·Filed 2021·Granted Aug 15, 2023·2 cites·17 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
- 1794US8573758B2Liquid jet recording head and liquid supply methodINOUE TOMOYUKI·Filed 2010·Granted Nov 5, 2013·11 cites·7 claims
- 1894US4746857AProbing apparatus for measuring electrical characteristics of semiconductor device formed on waferDAINIPPON SCREEN MFG·Filed 1986·Granted May 24, 1988·108 cites·11 claims
- 1993US10668736B2Liquid ejecting head and liquid ejecting apparatusCANON KK·Filed 2018·Granted Jun 2, 2020·3 cites·17 claims
- 2092US11117374B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2019·Granted Sep 14, 2021·4 cites·17 claims
- 2192US11065878B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2019·Granted Jul 20, 2021·2 cites·20 claims
- 2292US10763298B2Photoelectric conversion apparatus and image pickup systemCANON KK·Filed 2017·Granted Sep 1, 2020·4 cites·32 claims
- 2391US10974504B2Liquid ejection head and control method of liquid ejection headCANON KK·Filed 2019·Granted Apr 13, 2021·3 cites·18 claims
- 2491US10828906B2Liquid discharge head and liquid discharge methodCANON KK·Filed 2019·Granted Nov 10, 2020·3 cites·19 claims
- 2591US10717273B2Liquid ejection head and method for circulating liquidCANON KK·Filed 2018·Granted Jul 21, 2020·3 cites·15 claims
- 2691US10040288B2Liquid ejection module and liquid ejection headCANON KK·Filed 2018·Granted Aug 7, 2018·3 cites·20 claims
- 2791US9731504B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2016·Granted Aug 15, 2017·4 cites·15 claims
- 2891US9085144B2Liquid ejection head and inkjet printing apparatusCANON KK·Filed 2014·Granted Jul 21, 2015·6 cites·13 claims
- 2990US10112387B2Liquid discharging head and liquid discharging deviceCANON KK·Filed 2017·Granted Oct 30, 2018·3 cites·22 claims
- 3089US12343999B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2023·Granted Jul 1, 2025·0 cites·6 claims
- 3189US10150291B2Print element substrate and liquid ejection headCANON KK·Filed 2017·Granted Dec 11, 2018·3 cites·14 claims
- 3289US2025375964A1Liquid ejection moduleCANON KK·Filed 2025·Application pending·0 cites
- 3389US2024367441A1Liquid ejecting head and liquid ejecting apparatusCANON KK·Filed 2024·Application pending·0 cites
- 3489US2024383260A1Liquid discharge head and liquid discharge methodCANON KK·Filed 2024·Application pending·0 cites
- 3588US11179948B2Liquid ejecting head and liquid ejecting apparatusCANON KK·Filed 2020·Granted Nov 23, 2021·2 cites·10 claims
- 3688US10589536B2Liquid ejecting moduleCANON KK·Filed 2019·Granted Mar 17, 2020·2 cites·20 claims
- 3788US2025296344A1Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2025·Application pending·0 cites
- 3887US10195848B2Liquid discharge head and liquid discharge methodCANON KK·Filed 2016·Granted Feb 5, 2019·2 cites·20 claims
- 3986US12064969B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2023·Granted Aug 20, 2024·0 cites·8 claims
- 4086US11376863B2Liquid ejecting head and liquid ejecting apparatusCANON KK·Filed 2020·Granted Jul 5, 2022·1 cites·17 claims
- 4186US10821736B2Liquid discharge head and liquid discharge apparatusCANON KK·Filed 2019·Granted Nov 3, 2020·2 cites·14 claims
- 4285US10493750B2Method for controlling liquid ejection apparatusCANON KK·Filed 2018·Granted Dec 3, 2019·2 cites·7 claims
- 4384US11014356B2Liquid ejection head, liquid ejection module, and liquid ejection apparatusCANON KK·Filed 2019·Granted May 25, 2021·2 cites·20 claims
- 4484US10576741B2Liquid ejection head and liquid ejection apparatusCANON KK·Filed 2018·Granted Mar 3, 2020·2 cites·17 claims
- 4583US10421276B2Printing element substrate and liquid ejection headCANON KK·Filed 2017·Granted Sep 24, 2019·2 cites·15 claims
- 4682US12070956B2Liquid ejecting head and liquid ejecting apparatusCANON KK·Filed 2022·Granted Aug 27, 2024·0 cites·11 claims
- 4782US10987921B2Image forming apparatus and control method of image forming apparatusCANON KK·Filed 2019·Granted Apr 27, 2021·2 cites·9 claims
- 4880US11667132B2Liquid discharge head and liquid discharge methodCANON KK·Filed 2022·Granted Jun 6, 2023·0 cites·19 claims
- 4980US10639888B2Liquid ejection headCANON KK·Filed 2018·Granted May 5, 2020·1 cites·20 claims
- 5080US8060894B2Disk device having disk trayNAKAGAWA YOSHIYUKI·Filed 2008·Granted Nov 15, 2011·6 cites·13 claims
Showing the top 50 of 148 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →