Inventor · disambiguated record
Minoru Nozawa
Also filed as: NOZAWA MINORU
53 granted patents·1 pending application·2,100 citations·filing 1988–2018
99Inventor score
Technology areasB41J
Top patents by PatentIndex Score
54 records- 0198US5619239AReplaceable ink tankCANON KK·Filed 1994·Granted Apr 8, 1997·143 cites·26 claims
- 0297US9044932B2Image recording methodCANON KK·Filed 2014·Granted Jun 2, 2015·15 cites·9 claims
- 0397US5126768AProcess for producing an ink jet recording headCANON KK·Filed 1990·Granted Jun 30, 1992·317 cites·13 claims
- 0497US4977413AInk remain detector having a flexible member and a liquid injection recording apparatus utilizing the detectorCANON KK·Filed 1989·Granted Dec 11, 1990·125 cites·21 claims
- 0596US5523780AInk jet recording apparatus and ink cartridge mountable on said apparatusCANON KK·Filed 1993·Granted Jun 4, 1996·133 cites·2 claims
- 0695US6102533AInk container, ink container holder for removably holding ink container, and ink container capCANON KK·Filed 1997·Granted Aug 15, 2000·99 cites·10 claims
- 0793US5136309ALiquid injection apparatus with residual ink quantity detecting meansCANON KK·Filed 1990·Granted Aug 4, 1992·96 cites·24 claims
- 0893US4947191AInk jet recording apparatusCANON KK·Filed 1989·Granted Aug 7, 1990·66 cites·65 claims
- 0990US6776469B2Ink jet printing apparatus and printing headCANON KK·Filed 2002·Granted Aug 17, 2004·32 cites·17 claims
- 1090US6152555AInk container, ink container holder for removably holding ink container, and ink container capCANON KK·Filed 1999·Granted Nov 28, 2000·60 cites·1 claims
- 1190US5559536ARecovery device having a protruding portion providing reduced pressure for improved recovery and method using sameCANON KK·Filed 1994·Granted Sep 24, 1996·61 cites·27 claims
- 1290US4908636ARecovery device having a protruding portion providing reduced pressure for improved recovery and method using sameCANON KK·Filed 1988·Granted Mar 13, 1990·42 cites·22 claims
- 1390US4896172ALiquid injection recording apparatus including recording liquid circulation controlCANON KK·Filed 1988·Granted Jan 23, 1990·53 cites·15 claims
- 1488US6243116B1Ink container, installing-removing method therefore and apparatus usable with the sameCANON KK·Filed 1997·Granted Jun 5, 2001·43 cites·9 claims
- 1588US5623290ARecording apparatus and supply system having residual ink quantity detectionCANON KK·Filed 1994·Granted Apr 22, 1997·65 cites·29 claims
- 1687US6557989B1Print head and ink jet printing apparatusCANON KK·Filed 2000·Granted May 6, 2003·27 cites·4 claims
- 1786US5729256AInk remain detector having a biased flexible film member with limited deformationCANON KK·Filed 1993·Granted Mar 17, 1998·58 cites·5 claims
- 1885US6910759B2Liquid discharge recording head cartridge and liquid discharge recording apparatusCANON KK·Filed 2001·Granted Jun 28, 2005·28 cites·10 claims
- 1985US6145975AMethod of mounting an exchangeable ink containerCANON KK·Filed 1996·Granted Nov 14, 2000·37 cites·25 claims
- 2085USD401620SInk tank for printerCANON KK·Filed 1997·Granted Nov 24, 1998·29 cites·1 claims
- 2184US6070974AInk jet unit for a detachably mountable ink containerCANON KK·Filed 1997·Granted Jun 6, 2000·36 cites·8 claims
- 2283US5291215AInk jet recording apparatus with a thermally stable ink jet recording headCANON KK·Filed 1991·Granted Mar 1, 1994·48 cites·16 claims
- 2382US6752492B2Print head and ink jet printing apparatusCANON KK·Filed 2002·Granted Jun 22, 2004·19 cites·30 claims
- 2481US5949454AInk jet head, ink jet head cartridge, ink jet recording apparatus and method for making ink jet headCANON KK·Filed 1995·Granted Sep 7, 1999·42 cites·28 claims
- 2581US5006867ARecording head for an ink jet recording apparatus having a plurality of temperature detection elementsCANON KK·Filed 1990·Granted Apr 9, 1991·41 cites·10 claims
- 2680US6499821B1Ink jet printing apparatus and printing headCANON KK·Filed 2000·Granted Dec 31, 2002·17 cites·2 claims
- 2779US7699426B2Image processing method and ink jet printing apparatusCANON KK·Filed 2006·Granted Apr 20, 2010·5 cites·8 claims
- 2879USD401621SInk tank for printerCANON KK·Filed 1997·Granted Nov 24, 1998·22 cites·1 claims
- 2979USD371804SCombined ink tank holder and printing head for printerCANON KK·Filed 1995·Granted Jul 16, 1996·22 cites·1 claims
- 3077US6155677AInk jet recording head, an ink jet unit and an ink jet apparatus using said recording headCANON KK·Filed 1994·Granted Dec 5, 2000·37 cites·35 claims
- 3176US5128690ARecovery unit and method that expel foreign matter into a common liquid chamber of an ink jet head using a partial capCANON KK·Filed 1990·Granted Jul 7, 1992·34 cites·28 claims
- 3275US5221936AInk tank having a vent path opened and closed by a movable magnetic memberCANON KK·Filed 1991·Granted Jun 22, 1993·32 cites·17 claims
- 3372US7591527B2Ink jet printing headCANON KK·Filed 2006·Granted Sep 22, 2009·3 cites·1 claims
- 3470US6502927B2Ink jet recording head having two or more pillars for each nozzleCANON KK·Filed 2001·Granted Jan 7, 2003·12 cites·11 claims
- 3570USD425932SInk tank for printerCANON KK·Filed 1997·Granted May 30, 2000·15 cites·1 claims
- 3669US5332466ALiquid jet recording head manufacturing methodCANON KK·Filed 1993·Granted Jul 26, 1994·23 cites·19 claims
- 3767US8205963B2Ink jet print head, and method of manufacturing ink jet print headGOTO AKIRA·Filed 2009·Granted Jun 26, 2012·2 cites·11 claims
- 3867US8087749B2Ink jet recording head, ink jet cartridge, and method for manufacturing ink jet recording headGOTO AKIRA·Filed 2007·Granted Jan 3, 2012·2 cites·10 claims
- 3966US6264315B1Ink tank ink jet cartridge and ink filling methodCANON KK·Filed 1998·Granted Jul 24, 2001·23 cites·11 claims
- 4066USD414509SCombined ink tank holder and printing head for printerCANON KK·Filed 1997·Granted Sep 28, 1999·13 cites·1 claims
- 4164US5659343AMethod of forming an ink jet recording head having an orifice plate with positioning openings for precisely locating discharge ports in a recording apparatusCANON KK·Filed 1995·Granted Aug 19, 1997·21 cites·6 claims
- 4263USD413920SCombined ink tank holder and printing head for printerCANON KK·Filed 1997·Granted Sep 14, 1999·12 cites·1 claims
- 4362US6273536B1Ink jet recording apparatusCANON KK·Filed 1999·Granted Aug 14, 2001·18 cites·9 claims
- 4462USD406163SInk tank for printerCANON KK·Filed 1997·Granted Feb 23, 1999·11 cites·1 claims
- 4559US6293652B1Method for coupling liquid jet head units, a liquid jet head unit, and a liquid jet head cartridgeCANON KK·Filed 1997·Granted Sep 25, 2001·17 cites·35 claims
- 4657US7270389B2Ink jet recording apparatus and ink jet recording methodCANON KK·Filed 2003·Granted Sep 18, 2007·6 cites·7 claims
- 4756US8162445B2Ink jet printing headTAJIMA HIROKI·Filed 2009·Granted Apr 24, 2012·1 cites·11 claims
- 4854USD412526SCombined ink cartridge and printer head for printerCANON KK·Filed 1997·Granted Aug 3, 1999·8 cites·1 claims
- 4951US6616269B2Substrate for ink jet print head, ink jet print head and manufacturing methods thereforCANON KK·Filed 2001·Granted Sep 9, 2003·4 cites·6 claims
- 5043US6000777AInk jet recording head, ink jet recording apparatus, and information processing systemCANON KK·Filed 1996·Granted Dec 14, 1999·7 cites·15 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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