Inventor · disambiguated record
Minoru Usui
Also filed as: USUI MINORU
145 granted patents·12 pending applications·4,332 citations·filing 1981–2016
99Inventor score
Files withSEIKO EPSON CORP125CASIO COMPUTER CO LTD13FUJITSU LTD5USUI MINORU4FUJITSU SEMICONDUCTOR LTD2
Top patents by PatentIndex Score
157 records- 0199US6585358B2Ink 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
- 0299US6550902B2Ink-jet printing apparatus and ink cartridge thereforSEIKO EPSON CORP·Filed 2002·Granted Apr 22, 2003·61 cites·47 claims
- 0399US6536861B1Liquid container having liquid consumption detecting deviceSEIKO EPSON CORP·Filed 2000·Granted Mar 25, 2003·98 cites·16 claims
- 0499US6502917B1Ink-jet printing apparatus and ink cartridge thereforSEIKO EPSON CORP·Filed 2000·Granted Jan 7, 2003·306 cites·38 claims
- 0599US6470744B1Liquid detecting piezoelectric device, liquid container and mounting module memberSEIKO EPSON CORP·Filed 2000·Granted Oct 29, 2002·111 cites·65 claims
- 0698US7219985B2Ink-jet printing apparatus and ink cartridge thereforSEIKO EPSON CORP·Filed 2005·Granted May 22, 2007·26 cites·56 claims
- 0798US6302531B1Valve 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
- 0897US6799820B1Liquid container having a liquid detecting deviceSEIKO EPSON CORP·Filed 2000·Granted Oct 5, 2004·63 cites·48 claims
- 0997US6796627B2Ink jet recording apparatus, method of replenishing ink to subtank in the apparatus, and method of checking the replenished amount of inkSEIKO EPSON CORP·Filed 2001·Granted Sep 28, 2004·111 cites·60 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
- 1197US6634738B1Ink cartridge for ink-jet printing apparatusSEIKO EPSON CORP·Filed 2000·Granted Oct 21, 2003·80 cites·25 claims
- 1297US5255016AInk jet printer recording headSEIKO EPSON CORP·Filed 1990·Granted Oct 19, 1993·155 cites·16 claims
- 1396US7264334B2Ink-jet printing apparatus and ink cartridge thereforSEIKO EPSON CORP·Filed 2005·Granted Sep 4, 2007·12 cites·37 claims
- 1496US6745626B2Liquid detecting piezoelectric device, liquid container and mounting module memberSEIKO EPSON CORP·Filed 2002·Granted Jun 8, 2004·46 cites·25 claims
- 1596US6312115B1Ink cartridge for ink jet recorder and method of manufacturing sameSEIKO EPSON CORP·Filed 1998·Granted Nov 6, 2001·104 cites·14 claims
- 1696US5963234ALaminated ink jet recording head having flow path unit with recess that confronts but does not communicate with common ink chamberSEIKO EPSON CORP·Filed 1996·Granted Oct 5, 1999·140 cites·14 claims
- 1794US7267000B1Liquid consumption status detecting method, liquid container, and ink cartridgeSEIKO EPSON CORP·Filed 2000·Granted Sep 11, 2007·30 cites·39 claims
- 1894US7175244B2Liquid container having liquid consumption detecting deviceSEIKO EPSON CORP·Filed 2002·Granted Feb 13, 2007·36 cites·9 claims
- 1994US6786581B1Ink-jet printing apparatus and ink cartridgeSEIKO EPSON CORP·Filed 1999·Granted Sep 7, 2004·80 cites·44 claims
- 2094US5748214AInk jet recording headSEIKO EPSON CORP·Filed 1995·Granted May 5, 1998·116 cites·14 claims
- 2193US8585192B2Ink cartridge for ink jet recording apparatus, connection unit and ink jet recording apparatusUSUI MINORU·Filed 2011·Granted Nov 19, 2013·5 cites·18 claims
- 2293US7424824B2Liquid sensing apparatus for a liquid container for supplying a liquid to a liquid consuming apparatus, and a liquid container in which the liquid sensing apparatus is builtSEIKO EPSON CORP·Filed 2005·Granted Sep 16, 2008·25 cites·50 claims
- 2392US9199474B2Ink 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
- 2492US7325450B2Liquid consumption status detecting method, liquid container, and ink cartridgeSEIKO EPSON CORP·Filed 2006·Granted Feb 5, 2008·7 cites·12 claims
- 2592US6899417B1Ink cartridge for use in an ink jet recording apparatusSEIKO EPSON CORP·Filed 2000·Granted May 31, 2005·41 cites·28 claims
- 2692US5446485ADrop-on-demand ink-jet printing headSEIKO EPSON CORP·Filed 1992·Granted Aug 29, 1995·59 cites·24 claims
- 2791US7188520B2Liquid consumption status detecting method, liquid container, and ink cartridgeSEIKO EPSON CORP·Filed 2003·Granted Mar 13, 2007·21 cites·41 claims
- 2891US6793330B2Ink cartridge for ink-jet printing apparatusSEIKO EPSON CORP·Filed 2002·Granted Sep 21, 2004·30 cites·30 claims
- 2991US6705712B2Ink cartridge, ink jet recording device using the same, and method for controlling the cleaning of a recording head of the ink jet recording deviceSEIKO EPSON CORP·Filed 2001·Granted Mar 16, 2004·45 cites·25 claims
- 3091US6102517AInk-jet recording apparatus for ink cartridgeSEIKO EPSON CORP·Filed 1996·Granted Aug 15, 2000·83 cites·22 claims
- 3191US5444471ADrop-on-demand ink-jet printing headSEIKO EPSON CORP·Filed 1993·Granted Aug 22, 1995·58 cites·13 claims
- 3290US7510273B2Ink-jet printing apparatus and ink cartridge thereforSEIKO EPSON CORP·Filed 2006·Granted Mar 31, 2009·3 cites·75 claims
- 3390US6540322B2Ink jet recording apparatus and ink suction method of the recording headSEIKO EPSON CORP·Filed 2001·Granted Apr 1, 2003·33 cites·30 claims
- 3490US5889539AInk jet print headSEIKO EPSON CORP·Filed 1996·Granted Mar 30, 1999·79 cites·27 claims
- 3590US4816816ALiquid-crystal display apparatusCASIO COMPUTER CO LTD·Filed 1986·Granted Mar 28, 1989·72 cites·3 claims
- 3690US4775891AImage display using liquid crystal display panelCASIO COMPUTER CO LTD·Filed 1985·Granted Oct 4, 1988·78 cites·8 claims
- 3789US8061824B2Ink cartridge for ink jet recording apparatus, connection unit and ink jet recording apparatusUSUI MINORU·Filed 2007·Granted Nov 22, 2011·6 cites·12 claims
- 3889US5465102AImage display apparatusCASIO COMPUTER CO LTD·Filed 1994·Granted Nov 7, 1995·73 cites·3 claims
- 3988US7954934B2Ink-jet printing apparatus and ink cartridge thereforSEIKO EPSON CORP·Filed 2007·Granted Jun 7, 2011·4 cites·13 claims
- 4088US6837575B2Ink feed unit for ink jet recorder and diaphragm valveSEIKO EPSON CORP·Filed 2001·Granted Jan 4, 2005·34 cites·22 claims
- 4188US5844533AGray scale liquid crystal displayCASIO COMPUTER CO LTD·Filed 1997·Granted Dec 1, 1998·76 cites·6 claims
- 4288US5347294AImage display apparatusCASIO COMPUTER CO LTD·Filed 1992·Granted Sep 13, 1994·69 cites·12 claims
- 4387US7300142B1Ink cartridge for ink-jet printing apparatusSEIKO EPSON CORP·Filed 1999·Granted Nov 27, 2007·44 cites·77 claims
- 4487US7188936B2Ink cartridge for ink jet recording apparatus, connection unit and ink jet recording apparatusSEIKO EPSON CORP·Filed 2003·Granted Mar 13, 2007·17 cites·17 claims
- 4587US7090344B2Ink cartridge for use in an ink jet recording apparatusSEIKO EPSON CORP·Filed 2005·Granted Aug 15, 2006·8 cites·9 claims
- 4687US6019465AInk-jet recording apparatusSEIKO EPSON CORP·Filed 1996·Granted Feb 1, 2000·50 cites·21 claims
- 4787US5790155AInk jet type recording head having head units with angled walls and angled pressure generating chambersSEIKO EPSON CORP·Filed 1996·Granted Aug 4, 1998·58 cites·10 claims
- 4886US6755515B2Ink cartridge for ink-jet printing apparatusSEIKO EPSON CORP·Filed 2002·Granted Jun 29, 2004·23 cites·12 claims
- 4986US4769639ALiquid crystal drive circuit for driving a liquid crystal display element having scanning and signal electrodes arranged in matrix formCASIO COMPUTER CO LTD·Filed 1986·Granted Sep 6, 1988·65 cites·2 claims
- 5085US6886927B2Ink-jet printing apparatus and ink cartridgeSEIKO EPSON CORP·Filed 2002·Granted May 3, 2005·20 cites·8 claims
Showing the top 50 of 157 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →