Inventor · disambiguated record
Yukihiro Hanaoka
Also filed as: HANAOKA YUKIHIRO
52 granted patents·3 pending applications·933 citations·filing 1985–2023
98Inventor score
Top patents by PatentIndex Score
55 records- 0198US6848776B2Ink tank and ink jet printerSEIKO EPSON CORP·Filed 2003·Granted Feb 1, 2005·77 cites·18 claims
- 0296US7604426B2Paper cutting device and a printer with a paper cutting deviceSEIKO EPSON CORP·Filed 2006·Granted Oct 20, 2009·18 cites·12 claims
- 0396US7252377B2Ink tank and ink jet printerSEIKO EPSON CORP·Filed 2006·Granted Aug 7, 2007·16 cites·6 claims
- 0496US6257783B1Printer and control method for the sameSEIKO EPSON CORP·Filed 2000·Granted Jul 10, 2001·116 cites·28 claims
- 0594US7029106B2Ink tank and ink jet printerSEIKO EPSON CORP·Filed 2005·Granted Apr 18, 2006·11 cites·13 claims
- 0693US6281911B1Ink cartridge having waste ink absorbing functionSEIKO EPSON CORP·Filed 1998·Granted Aug 28, 2001·90 cites·21 claims
- 0793US6264314B1Ink cartridge for ink jet recording apparatusSEIKO EPSON CORP·Filed 1997·Granted Jul 24, 2001·93 cites·7 claims
- 0891US8747000B2Paper cutting device and a printer with a paper cutting deviceSEIKO EPSON CORP·Filed 2013·Granted Jun 10, 2014·4 cites·13 claims
- 0989US6408161B1Image reading apparatus and image information process apparatusSEIKO EPSON CORP·Filed 2000·Granted Jun 18, 2002·39 cites·23 claims
- 1088US8596894B2Paper cutting device and printer having a paper cutting deviceHANAOKA YUKIHIRO·Filed 2007·Granted Dec 3, 2013·11 cites·12 claims
- 1187US6736496B2Ink tank and ink-jet printer using the sameSEIKO EPSON CORP·Filed 2002·Granted May 18, 2004·26 cites·18 claims
- 1287US5963239AInk jet recording apparatus and ink supply member thereforSEIKO EPSON CORP·Filed 1997·Granted Oct 5, 1999·60 cites·15 claims
- 1386US10717295B2Liquid ejecting apparatus, liquid filling method, and air bubble discharging methodSEIKO EPSON CORP·Filed 2019·Granted Jul 21, 2020·2 cites·13 claims
- 1486US8690300B2Ink tank and ink jet printerSEIKO EPSON CORP·Filed 2013·Granted Apr 8, 2014·2 cites·5 claims
- 1586US5260724ACapping device for ink jet printerSEIKO EPSON CORP·Filed 1991·Granted Nov 9, 1993·55 cites·13 claims
- 1685US8408687B2Ink tank and ink jet printerNISHIOKA ATSUSHI·Filed 2010·Granted Apr 2, 2013·3 cites·5 claims
- 1784US10569559B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2017·Granted Feb 25, 2020·2 cites·10 claims
- 1884US7290869B2Liquid containerSEIKO EPSON CORP·Filed 2004·Granted Nov 6, 2007·22 cites·18 claims
- 1981US7722176B2Ink tank and ink jet printerSEIKO EPSON CORP·Filed 2009·Granted May 25, 2010·3 cites·11 claims
- 2081US7513614B2Ink tank and ink jet printerSEIKO EPSON CORP·Filed 2007·Granted Apr 7, 2009·3 cites·6 claims
- 2180US7708369B2Ink tank and ink jet printer incorporating the sameSEIKO EPSON CORP·Filed 2006·Granted May 4, 2010·4 cites·7 claims
- 2280US5070346AInk near-end detecting deviceSEIKO EPSON CORP·Filed 1991·Granted Dec 3, 1991·40 cites·6 claims
- 2379US8465124B2Carriage guide mechanism and a printerHANAOKA YUKIHIRO·Filed 2011·Granted Jun 18, 2013·3 cites·3 claims
- 2477US8439584B2Paper cutting device and a printer with a paper cutting deviceHANAOKA YUKIHIRO·Filed 2009·Granted May 14, 2013·3 cites·7 claims
- 2576US8573871B2Paper cutting device and a printer with a paper cutting deviceSEIKO EPSON CORP·Filed 2013·Granted Nov 5, 2013·1 cites·14 claims
- 2676US5255019AInk near-end detecting deviceSEIKO EPSON CORP·Filed 1991·Granted Oct 19, 1993·33 cites·6 claims
- 2774US11926166B2Liquid ejecting apparatus and sub-carriageSEIKO EPSON CORP·Filed 2022·Granted Mar 12, 2024·0 cites·20 claims
- 2874US5997125AInk jet head connection unit, an ink jet cartridge, and an assembly method thereofSEIKO EPSON CORP·Filed 1999·Granted Dec 7, 1999·23 cites·8 claims
- 2971US8123328B2Ink tank and ink jet printer incorporating the sameHANAOKA YUKIHIRO·Filed 2010·Granted Feb 28, 2012·1 cites·10 claims
- 3071US5874971AInk jet head connection unit, an ink jet cartridge, and an assembly method thereofSEIKO EPSON CORP·Filed 1996·Granted Feb 23, 1999·22 cites·11 claims
- 3170US7585143B2Stocker apparatusTSUBAKI SEIKO INC·Filed 2003·Granted Sep 8, 2009·16 cites·5 claims
- 3270US6966642B2Ink tank and ink-jet printer using the sameSEIKO EPSON CORP·Filed 2004·Granted Nov 22, 2005·10 cites·8 claims
- 3367US5631683AInk jet cartridge and printer using itSEIKO EPSON CORP·Filed 1994·Granted May 20, 1997·25 cites·9 claims
- 3466US6578941B2Ink jet printerSEIKO EPSON CORP·Filed 2002·Granted Jun 17, 2003·10 cites·26 claims
- 3566US6398336B1Ink jet recording apparatus and maintenance method thereforSEIKO EPSON CORP·Filed 1999·Granted Jun 4, 2002·25 cites·27 claims
- 3665US7021736B2Ink tank and ink jet printer incorporating the sameSEIKO EPSON CORP·Filed 2003·Granted Apr 4, 2006·7 cites·13 claims
- 3763US6193362B1Connection unit for an inkjet head, and an inkjet cartridge and inkjet printer using the sameSEIKO EPSON CORP·Filed 1999·Granted Feb 27, 2001·20 cites·16 claims
- 3861US4787761AMiniature printerSEIKO EPSON CORP·Filed 1985·Granted Nov 29, 1988·9 cites·9 claims
- 3958US11946551B2Valve mechanism and liquid ejecting systemSEIKO EPSON CORP·Filed 2020·Granted Apr 2, 2024·0 cites·11 claims
- 4055US12337596B2Liquid ejection systemSEIKO EPSON CORP·Filed 2023·Granted Jun 24, 2025·0 cites·10 claims
- 4155US11318740B2Liquid ejecting systemSEIKO EPSON CORP·Filed 2020·Granted May 3, 2022·0 cites·7 claims
- 4255US8354278B2Liquid for discharge, method for discharging biospecimen, and compoundSEIKO EPSON CORP·Filed 2011·Granted Jan 15, 2013·0 cites·2 claims
- 4355US7867450B2Liquid droplet ejecting head, inspection device, and method of using inspection deviceSEIKO EPSON CORP·Filed 2007·Granted Jan 11, 2011·1 cites·27 claims
- 4454US6074036AInk jet head connection unit, an ink jet cartridge, and an assembly method thereofSEIKO EPSON CORP·Filed 1999·Granted Jun 13, 2000·10 cites·18 claims
- 4553US10661574B2Liquid ejecting apparatusesSEIKO EPSON CORP·Filed 2019·Granted May 26, 2020·0 cites·13 claims
- 4653US2024083170A1Liquid ejecting apparatus and maintenance method for liquid ejecting headSEIKO EPSON CORP·Filed 2023·Application pending·0 cites
- 4752US8445285B2Liquid for ejection and method for ejecting bio-specimenFUKUSHIMA HITOSHI·Filed 2010·Granted May 21, 2013·0 cites·4 claims
- 4851US9085160B2Recording apparatusSEIKO EPSON CORP·Filed 2014·Granted Jul 21, 2015·0 cites·8 claims
- 4951US6364448B2Ink jet printer and ink priming method thereforSEIKO EPSON CORP·Filed 1999·Granted Apr 2, 2002·12 cites·32 claims
- 5051US2023294397A1System, and non-transitory storage medium storing server program or client programSEIKO EPSON CORP·Filed 2023·Application pending·0 cites
Showing the top 50 of 55 patent records by PatentIndex Score.
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