Inventor · disambiguated record
Hisashi Miyazawa
Also filed as: MIYAZAWA HISASHI
132 granted patents·11 pending applications·3,894 citations·filing 1979–2016
99Inventor score
Top patents by PatentIndex Score
143 records- 0199US6955422B2Ink cartridgeSEIKO EPSON CORP·Filed 2002·Granted Oct 18, 2005·120 cites·62 claims
- 0299US6585358B2Ink cartridge for ink jet recording apparatus, connection unit and ink jet recording apparatusSEIKO EPSON CORP·Filed 2001·Granted Jul 1, 2003·138 cites·17 claims
- 0398US7293866B2Ink cartridge for ink jet recording deviceSEIKO EPSON CORP·Filed 2006·Granted Nov 13, 2007·34 cites·78 claims
- 0498US7090341B1Ink-jet recording device and ink supply unit suitable for itSEIKO EPSON CORP·Filed 2000·Granted Aug 15, 2006·93 cites·55 claims
- 0598US6722762B2Ink-jet recording device and ink cartridgeSEIKO EPSON CORP·Filed 2001·Granted Apr 20, 2004·105 cites·40 claims
- 0698US6302531B1Valve unit in ink supply channel of ink-jet recording apparatus, ink cartridge using the valve unit, ink supply needle and method of producing the valve unitSEIKO EPSON CORP·Filed 1998·Granted Oct 16, 2001·109 cites·41 claims
- 0797US7011397B2Ink cartridge and method of regulating fluid flowSEIKO EPSON CORP·Filed 2003·Granted Mar 14, 2006·72 cites·84 claims
- 0897US6905199B2Ink cartridge for ink jet recording deviceSEIKO EPSON CORP·Filed 2004·Granted Jun 14, 2005·58 cites·14 claims
- 0997US6666551B2Ink cartridgeSEIKO EPSON CORP·Filed 2001·Granted Dec 23, 2003·58 cites·27 claims
- 1097US6648459B2Valve unit in ink supply channel of ink-jet recording apparatus, ink cartridge using the valve unit, ink supply needle and method of producing the valve unitSEIKO EPSON CORP·Filed 2001·Granted Nov 18, 2003·58 cites·12 claims
- 1197US6422691B2Ink cartridgeSEIKO EPSON CORP·Filed 1997·Granted Jul 23, 2002·106 cites·19 claims
- 1297US6390611B1Ink jet recording apparatus, sub-tank unit adapted thereto, and ink droplet ejection capability recovery methodSEIKO EPSON CORP·Filed 2000·Granted May 21, 2002·189 cites·73 claims
- 1397US6250750B1Ink cartridge and loading mechanism for ink cartridgeSEIKO EPSON CORP·Filed 1997·Granted Jun 26, 2001·166 cites·39 claims
- 1497USD369383SInk cartridge for ink jet printerSEIKO EPSON CORP·Filed 1994·Granted Apr 30, 1996·66 cites·1 claims
- 1596US7559634B2Ink-jet recording device and ink supply unit suitable for itSEIKO EPSON CORP·Filed 2006·Granted Jul 14, 2009·15 cites·37 claims
- 1696US6238042B1Ink cartridge for ink jet printer and method of charging ink into said cartridgeSEIKO EPSON CORP·Filed 1995·Granted May 29, 2001·130 cites·38 claims
- 1796US5975688AInk cartridge for printer and ink cartridge identifying apparatusSEIKO EPSON CORP·Filed 1996·Granted Nov 2, 1999·144 cites·12 claims
- 1896US5907341AInk cartridge for printerSEIKO EPSON CORP·Filed 1997·Granted May 25, 1999·104 cites·20 claims
- 1996USD365596SInk cartridge for ink jet printerSEIKO EPSON CORP·Filed 1994·Granted Dec 26, 1995·63 cites·1 claims
- 2095US7815298B2Ink cartridge for ink jet recording deviceSEIKO EPSON CORP·Filed 2007·Granted Oct 19, 2010·13 cites·36 claims
- 2195USD466151SInk cartridge for printerSEIKO EPSON CORP·Filed 2001·Granted Nov 26, 2002·61 cites·1 claims
- 2295US6086193AInk cartridge and a printing device using the ink cartridgeSEIKO EPSON CORP·Filed 1997·Granted Jul 11, 2000·102 cites·6 claims
- 2395US5633667AInk cartridge for printerSEIKO EPSON CORP·Filed 1994·Granted May 27, 1997·93 cites·18 claims
- 2494US7997703B2Liquid containerSEIKO EPSON CORP·Filed 2008·Granted Aug 16, 2011·16 cites·7 claims
- 2594US6786581B1Ink-jet printing apparatus and ink cartridgeSEIKO EPSON CORP·Filed 1999·Granted Sep 7, 2004·80 cites·44 claims
- 2693US8585192B2Ink cartridge for ink jet recording apparatus, connection unit and ink jet recording apparatusUSUI MINORU·Filed 2011·Granted Nov 19, 2013·5 cites·18 claims
- 2793US7404628B2Liquid containerSEIKO EPSON CORP·Filed 2004·Granted Jul 29, 2008·43 cites·51 claims
- 2893US7165835B2Ink cartridge and method of ink injection thereintoSEIKO EPSON CORP·Filed 2002·Granted Jan 23, 2007·41 cites·14 claims
- 2993US6945641B2Ink cartridgeSEIKO EPSON CORP·Filed 2002·Granted Sep 20, 2005·44 cites·12 claims
- 3093US5896151AInk cartridge for an ink jet printerSEIKO EPSON CORP·Filed 1996·Granted Apr 20, 1999·88 cites·22 claims
- 3192US9199474B2Ink cartridge for ink jet recording apparatus, connection unit and ink jet recording apparatusSEIKO EPSON CORP·Filed 2014·Granted Dec 1, 2015·3 cites·7 claims
- 3292US7784930B2Ink cartridge for ink jet recording deviceSEIKO EPSON CORP·Filed 2007·Granted Aug 31, 2010·8 cites·42 claims
- 3392US7237882B2Ink cartridge having retaining structure and recording apparatus for receiving the ink cartridgeSEIKO EPSON CORP·Filed 2005·Granted Jul 3, 2007·9 cites·75 claims
- 3492US7018030B2Ink cartridge and ink-jet recording apparatusSEIKO EPSON CORP·Filed 2004·Granted Mar 28, 2006·32 cites·27 claims
- 3592US5072240AOn-demand type ink jet print headSEIKO EPSON CORP·Filed 1989·Granted Dec 10, 1991·74 cites·36 claims
- 3691US7121652B2Ink jet recording apparatus and cleaning control method for recording head incorporated thereinSEIKO EPSON CORP·Filed 2000·Granted Oct 17, 2006·33 cites·80 claims
- 3791US6846062B2Ink jet recording apparatus and cleaning control method for recording head incorporated thereinSEIKO EPSON CORP·Filed 2002·Granted Jan 25, 2005·32 cites·3 claims
- 3891US6793330B2Ink cartridge for ink-jet printing apparatusSEIKO EPSON CORP·Filed 2002·Granted Sep 21, 2004·30 cites·30 claims
- 3991USD465516SInk cartridge for printerSEIKO EPSON CORP·Filed 2001·Granted Nov 12, 2002·43 cites·1 claims
- 4091USD390598SInk cartridge for printerSEIKO EPSON CORP·Filed 1996·Granted Feb 10, 1998·40 cites·1 claims
- 4190US7434923B2Ink cartridge and method of regulating fluid flowSEIKO EPSON CORP·Filed 2005·Granted Oct 14, 2008·9 cites·15 claims
- 4290US5341164ASolid ink supply for ink jetSEIKO EPSON CORP·Filed 1993·Granted Aug 23, 1994·61 cites·24 claims
- 4389US8061824B2Ink cartridge for ink jet recording apparatus, connection unit and ink jet recording apparatusUSUI MINORU·Filed 2007·Granted Nov 22, 2011·6 cites·12 claims
- 4489US7566112B2Ink cartridge and ink-jet recording apparatusSEIKO EPSON CORP·Filed 2007·Granted Jul 28, 2009·7 cites·8 claims
- 4589USD389180SInk cartridge for printerSEIKO EPSON CORP·Filed 1996·Granted Jan 13, 1998·34 cites·1 claims
- 4689US4218636AFluorescent display deviceFUTABA DENSHI KOGYO KK·Filed 1979·Granted Aug 19, 1980·25 cites·10 claims
- 4788US7614732B2Ink cartridgeSEIKO EPSON CORP·Filed 2007·Granted Nov 10, 2009·6 cites·9 claims
- 4888US7513592B2Cleaning device of liquid jet apparatus, liquid jet apparatus, and cleaning methodSEIKO EPSON CORP·Filed 2006·Granted Apr 7, 2009·9 cites·13 claims
- 4988US7422317B2Ink-jet recording device and ink supply unit suitable for itSEIKO EPSON CORP·Filed 2005·Granted Sep 9, 2008·6 cites·28 claims
- 5088US7325915B2Ink cartridge having retaining structureSEIKO EPSON CORP·Filed 2005·Granted Feb 5, 2008·6 cites·24 claims
Showing the top 50 of 143 patent records by PatentIndex Score.
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