Inventor · disambiguated record
Yasushi Iijima
Also filed as: IIJIMA YASUSHI
47 granted patents·8 pending applications·473 citations·filing 1987–2025
98Inventor score
Top patents by PatentIndex Score
55 records- 0195US10471719B2Manufacturing method of liquid supply componentCANON KK·Filed 2017·Granted Nov 12, 2019·6 cites·9 claims
- 0295US5796323AConnector using a material with microwave absorbing propertiesTDK CORP·Filed 1997·Granted Aug 18, 1998·111 cites·7 claims
- 0394US6945643B2Ink jet head storing structure and liquid filling methodCANON KK·Filed 2002·Granted Sep 20, 2005·47 cites·9 claims
- 0493US10081185B2Liquid ejection head, liquid ejection apparatus, flow path member, and method for manufacturing liquid ejection headCANON KK·Filed 2017·Granted Sep 25, 2018·4 cites·16 claims
- 0593US9764554B2Method for manufacturing molded member and liquid ejecting head, liquid ejecting head, and moldCANON KK·Filed 2016·Granted Sep 19, 2017·5 cites·10 claims
- 0693US7735984B2Liquid containerCANON KK·Filed 2007·Granted Jun 15, 2010·27 cites·11 claims
- 0793US7044588B2Ink jet head storing structure and liquid filling methodCANON KK·Filed 2005·Granted May 16, 2006·14 cites·1 claims
- 0892US10434694B2Resin molding methodCANON KK·Filed 2017·Granted Oct 8, 2019·4 cites·7 claims
- 0990US6799841B2Ink jet recording head, ink jet recording apparatus using such ink jet recording head, and method for manufacturing ink jet recording headCANON KK·Filed 2002·Granted Oct 5, 2004·36 cites·21 claims
- 1090US5594397AElectronic filtering part using a material with microwave absorbing propertiesTDK CORP·Filed 1995·Granted Jan 14, 1997·44 cites·16 claims
- 1189US10363692B2Method for manufacturing liquid supply memberCANON KK·Filed 2016·Granted Jul 30, 2019·3 cites·10 claims
- 1288US6805437B2Liquid supply system, ink jet recording head, ink jet recording apparatus and liquid filling methodCANON KK·Filed 2002·Granted Oct 19, 2004·34 cites·49 claims
- 1385US6733117B2Pressure adjustment chamber, ink-jet recording head having the same, and ink-jet recording device using the sameCANON KK·Filed 2002·Granted May 11, 2004·27 cites·12 claims
- 1484US10307967B2Method for manufacturing liquid-ejecting headCANON KK·Filed 2016·Granted Jun 4, 2019·2 cites·4 claims
- 1583US10513069B2Method for manufacturing liquid supply memberCANON KK·Filed 2016·Granted Dec 24, 2019·2 cites·7 claims
- 1683US10300643B2Manufacture method of liquid supply member and manufacture apparatusCANON KK·Filed 2016·Granted May 28, 2019·2 cites·9 claims
- 1783US8792044B2Image pickup device and method for manufacturing the image pickup deviceIMAI TOSHIYUKI·Filed 2010·Granted Jul 29, 2014·7 cites·13 claims
- 1882US10071512B2Method for manufacturing liquid-ejecting headCANON KK·Filed 2016·Granted Sep 11, 2018·2 cites·11 claims
- 1981US7434917B2Ink jet recording head having temperature control heaters and nozzle arrays of differing discharge amountsCANON KK·Filed 2006·Granted Oct 14, 2008·6 cites·4 claims
- 2081US5847628AElectronic part using a material with microwave absorbing propertiesTDK CORP·Filed 1997·Granted Dec 8, 1998·25 cites·8 claims
- 2180US7780267B2Recording head for ink-jet recording apparatusCANON KK·Filed 2007·Granted Aug 24, 2010·5 cites·1 claims
- 2279US10926441B2Liquid supply member and manufacturing method of liquid supply memberCANON KK·Filed 2017·Granted Feb 23, 2021·1 cites·10 claims
- 2379US10906221B2Manufacturing method of liquid supply memberCANON KK·Filed 2017·Granted Feb 2, 2021·1 cites·5 claims
- 2477US10828812B2Molded part, manufacturing method of molded part and moldCANON KK·Filed 2016·Granted Nov 10, 2020·1 cites·5 claims
- 2576US9931850B2Manufacture method of liquid supply member, manufacture apparatus, and liquid supply memberCANON KK·Filed 2016·Granted Apr 3, 2018·1 cites·10 claims
- 2675US12234331B2Method for producing epoxy resin compositionCANON KK·Filed 2021·Granted Feb 25, 2025·0 cites·17 claims
- 2775US6631982B2Liquid ejecting apparatusCANON KK·Filed 2002·Granted Oct 14, 2003·16 cites·14 claims
- 2872US6591500B1Method of manufacturing a liquid discharge headCANON KK·Filed 2000·Granted Jul 15, 2003·15 cites·9 claims
- 2970US6851795B2Cartridge with opposed electrical and ink connection portions, and carriage and ink jet recording apparatus for sameCANON KK·Filed 2002·Granted Feb 8, 2005·13 cites·28 claims
- 3068US11878513B2Recording deviceCANON KK·Filed 2022·Granted Jan 23, 2024·0 cites·13 claims
- 3168US11590757B2Discharge apparatus and suction unitCANON KK·Filed 2020·Granted Feb 28, 2023·0 cites·19 claims
- 3265US11834575B2Epoxy resin compositionCANON KK·Filed 2021·Granted Dec 5, 2023·0 cites·17 claims
- 3365US7441878B2Ink jet recording head including temperature adjustment heaterCANON KK·Filed 2006·Granted Oct 28, 2008·2 cites·3 claims
- 3463US2025346726A1Method for producing epoxy resin compositionCANON KK·Filed 2025·Application pending·0 cites
- 3559US7448740B2Inkjet cartridgeCANON KK·Filed 2005·Granted Nov 11, 2008·1 cites·7 claims
- 3653US12194730B2Recording apparatusCANON KK·Filed 2022·Granted Jan 14, 2025·0 cites·30 claims
- 3750US8408677B2Inkjet recording headIIJIMA YASUSHI·Filed 2012·Granted Apr 2, 2013·0 cites·3 claims
- 3850US2005003079A1Production method of laminated soft magnetic member, production method of soft magnetic sheet, and method for heat treating laminated soft magnetic memberTDK CORP·Filed 2004·Application pending·0 cites
- 3949US9539813B2Liquid discharge headCANON KK·Filed 2016·Granted Jan 10, 2017·0 cites·9 claims
- 4047US11020887B2Resin molding methodCANON KK·Filed 2017·Granted Jun 1, 2021·0 cites·4 claims
- 4147US10336072B2Liquid ejection head ejecting liquid, liquid ejection apparatus, and method for manufacturing liquid ejection headCANON KK·Filed 2018·Granted Jul 2, 2019·0 cites·17 claims
- 4247US9987849B2Liquid ejecting deviceCANON KK·Filed 2016·Granted Jun 5, 2018·0 cites·10 claims
- 4347US2007227643A1Internal electrode paste, multilayer ceramic electronic device and the production methodTDK CORP·Filed 2007·Application pending·0 cites
- 4446US8109604B2Inkjet recording headIIJIMA YASUSHI·Filed 2007·Granted Feb 7, 2012·0 cites·3 claims
- 4545US4981519AHydraulic hardening material and method of manufacturing the sameNIPPON KOKAN KK·Filed 1987·Granted Jan 1, 1991·7 cites·13 claims
- 4642US8205975B2Recording apparatusIKETANI MASARU·Filed 2009·Granted Jun 26, 2012·0 cites·10 claims
- 4741US8157353B2Liquid ejection recording headFUKUI SHIGEKI·Filed 2009·Granted Apr 17, 2012·0 cites·6 claims
- 4841US2018326723A1Liquid ejecting headCANON KK·Filed 2018·Application pending·0 cites
- 4940US8342648B2Inkjet headCANON KK·Filed 2010·Granted Jan 1, 2013·0 cites·9 claims
- 5040US2004185309A1Soft magnetic member, electromagnetic wave controlling sheet and method of manufacturing soft magnetic memberTDK CORP·Filed 2004·Application pending·0 cites
Showing the top 50 of 55 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →