Inventor · disambiguated record
Yasuto Sakai
Also filed as: SAKAI YASUTO
68 granted patents·3 pending applications·1,388 citations·filing 1990–2009
99Inventor score
Files withSEIKO EPSON CORP57NIPPON SHEET GLASS CO LTD8KIMURA HITOTOSHI2SAKAI YASUTO1SHINADA SATOSHI1
Top patents by PatentIndex Score
71 records- 0199US7008053B2Ink cartridge and recording apparatusSEIKO EPSON CORP·Filed 2005·Granted Mar 7, 2006·78 cites·39 claims
- 0299US6955422B2Ink cartridgeSEIKO EPSON CORP·Filed 2002·Granted Oct 18, 2005·120 cites·62 claims
- 0398US7293866B2Ink cartridge for ink jet recording deviceSEIKO EPSON CORP·Filed 2006·Granted Nov 13, 2007·34 cites·78 claims
- 0498US7244018B2Ink cartridge having retaining structure and memorySEIKO EPSON CORP·Filed 2005·Granted Jul 17, 2007·29 cites·120 claims
- 0598US6722762B2Ink-jet recording device and ink cartridgeSEIKO EPSON CORP·Filed 2001·Granted Apr 20, 2004·105 cites·40 claims
- 0697US7686441B2Ink cartridge and recording apparatusSEIKO EPSON CORP·Filed 2008·Granted Mar 30, 2010·30 cites·19 claims
- 0797US6905199B2Ink cartridge for ink jet recording deviceSEIKO EPSON CORP·Filed 2004·Granted Jun 14, 2005·58 cites·14 claims
- 0895US8011772B2Liquid containerSEIKO EPSON CORP·Filed 2009·Granted Sep 6, 2011·14 cites·7 claims
- 0995US7815298B2Ink cartridge for ink jet recording deviceSEIKO EPSON CORP·Filed 2007·Granted Oct 19, 2010·13 cites·36 claims
- 1095US7802877B2Ink cartridge and recording apparatusSEIKO EPSON CORP·Filed 2007·Granted Sep 28, 2010·13 cites·12 claims
- 1195USD466151SInk cartridge for printerSEIKO EPSON CORP·Filed 2001·Granted Nov 26, 2002·61 cites·1 claims
- 1294US7452062B2Liquid container with structure for controlling leaked liquidSEIKO EPSON CORP·Filed 2004·Granted Nov 18, 2008·36 cites·17 claims
- 1394US6979079B2Ink cartridge and recording apparatusSEIKO EPSON CORP·Filed 2003·Granted Dec 27, 2005·49 cites·84 claims
- 1493US7165835B2Ink cartridge and method of ink injection thereintoSEIKO EPSON CORP·Filed 2002·Granted Jan 23, 2007·41 cites·14 claims
- 1593US6945641B2Ink cartridgeSEIKO EPSON CORP·Filed 2002·Granted Sep 20, 2005·44 cites·12 claims
- 1693US6802602B2Ink cartridge and ink jet record apparatus using ink cartridgeSEIKO EPSON CORP·Filed 2002·Granted Oct 12, 2004·47 cites·27 claims
- 1792US7784930B2Ink cartridge for ink jet recording deviceSEIKO EPSON CORP·Filed 2007·Granted Aug 31, 2010·8 cites·42 claims
- 1892US7237882B2Ink cartridge having retaining structure and recording apparatus for receiving the ink cartridgeSEIKO EPSON CORP·Filed 2005·Granted Jul 3, 2007·9 cites·75 claims
- 1992US7125108B2Liquid cartridgeSEIKO EPSON CORP·Filed 2003·Granted Oct 24, 2006·45 cites·23 claims
- 2092US7018030B2Ink cartridge and ink-jet recording apparatusSEIKO EPSON CORP·Filed 2004·Granted Mar 28, 2006·32 cites·27 claims
- 2191US7669993B2Ink cartridge and recording apparatusSEIKO EPSON CORP·Filed 2007·Granted Mar 2, 2010·8 cites·64 claims
- 2291USD536374SInk cartridge for printerSEIKO EPSON CORP·Filed 2003·Granted Feb 6, 2007·42 cites·1 claims
- 2391US6929363B2Ink cartridge vacuum package and ink cartridge vacuum packaging methodSEIKO EPSON CORP·Filed 2002·Granted Aug 16, 2005·39 cites·32 claims
- 2491USD465516SInk cartridge for printerSEIKO EPSON CORP·Filed 2001·Granted Nov 12, 2002·43 cites·1 claims
- 2590US7029104B2Ink cartridge and recording apparatusSEIKO EPSON CORP·Filed 2002·Granted Apr 18, 2006·32 cites·8 claims
- 2689US7566112B2Ink cartridge and ink-jet recording apparatusSEIKO EPSON CORP·Filed 2007·Granted Jul 28, 2009·7 cites·8 claims
- 2789US7237883B2Ink cartridge having positioning structure and recording apparatus for receiving the ink cartridgeSEIKO EPSON CORP·Filed 2005·Granted Jul 3, 2007·7 cites·34 claims
- 2888US7614732B2Ink cartridgeSEIKO EPSON CORP·Filed 2007·Granted Nov 10, 2009·6 cites·9 claims
- 2988US7559638B2Liquid container with a waste liquid storing portionSEIKO EPSON CORP·Filed 2007·Granted Jul 14, 2009·6 cites·4 claims
- 3088US7325915B2Ink cartridge having retaining structureSEIKO EPSON CORP·Filed 2005·Granted Feb 5, 2008·6 cites·24 claims
- 3187US7249821B2Ink cartridge and recording apparatusSEIKO EPSON CORP·Filed 2006·Granted Jul 31, 2007·7 cites·4 claims
- 3287US6863376B2Ink cartridge and ink-jet recording apparatusSEIKO EPSON CORP·Filed 2002·Granted Mar 8, 2005·22 cites·27 claims
- 3387US6399212B1Silicon dioxide-coated polyolefin resin and process for its productionNIPPON SHEET GLASS CO LTD·Filed 2000·Granted Jun 4, 2002·27 cites·5 claims
- 3484US7934822B2Ink cartridgeSEIKO EPSON CORP·Filed 2009·Granted May 3, 2011·4 cites·4 claims
- 3584US7178902B2Ink cartridge and ink-jet recording apparatusSEIKO EPSON CORP·Filed 2006·Granted Feb 20, 2007·5 cites·8 claims
- 3682US8113639B2Liquid container with structure for controlling leaked liquidKIMURA HITOTOSHI·Filed 2008·Granted Feb 14, 2012·4 cites·17 claims
- 3780US7575312B2Ink cartridge and method of ink injection thereintoSEIKO EPSON CORP·Filed 2006·Granted Aug 18, 2009·4 cites·12 claims
- 3879US7147309B2Liquid cartridgeSEIKO EPSON CORP·Filed 2003·Granted Dec 12, 2006·19 cites·19 claims
- 3978US7934816B2Method of filling liquid into liquid containing member, liquid filling apparatus and method of inspecting liquid containing memberSEIKO EPSON CORP·Filed 2006·Granted May 3, 2011·4 cites·3 claims
- 4078US7367652B2Ink-jet recording device and ink cartridgeSEIKO EPSON CORP·Filed 2004·Granted May 6, 2008·18 cites·28 claims
- 4178US7150520B2Printing apparatus and ink cartridge thereforSEIKO EPSON CORP·Filed 2003·Granted Dec 19, 2006·14 cites·52 claims
- 4275US8123343B2Printing apparatus and ink cartridge thereforSHINADA SATOSHI·Filed 2009·Granted Feb 28, 2012·3 cites·2 claims
- 4375US7222949B2Method for manufacturing liquid cartridge and a liquid cartridgeSEIKO EPSON CORP·Filed 2003·Granted May 29, 2007·15 cites·6 claims
- 4474US7934794B2Ink cartridgeSEIKO EPSON CORP·Filed 2008·Granted May 3, 2011·2 cites·26 claims
- 4574US7748835B2Ink-jet recording device and ink cartridgeSEIKO EPSON CORP·Filed 2008·Granted Jul 6, 2010·3 cites·1 claims
- 4673US8057026B2Liquid container with structure for controlling leaked liquidKIMURA HITOTOSHI·Filed 2008·Granted Nov 15, 2011·2 cites·11 claims
- 4773US7249832B2Liquid cartridge and method for manufacturing liquid cartridgeSEIKO EPSON CORP·Filed 2003·Granted Jul 31, 2007·14 cites·15 claims
- 4873US7097293B2Pressure differential regulating valve unit, a liquid cartridge and a method for assembling a liquid cartridgeSEIKO EPSON CORP·Filed 2003·Granted Aug 29, 2006·14 cites·24 claims
- 4972USD481756SInk cartridge for printerSEIKO EPSON CORP·Filed 2002·Granted Nov 4, 2003·18 cites·1 claims
- 5071US7455397B2Ink cartridge attachment/detachment device, recording apparatus, liquid ejection apparatus, and liquid containerSEIKO EPSON CORP·Filed 2004·Granted Nov 25, 2008·10 cites·21 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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