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.
Join the waitlist — get patent alerts
Get an alert when Minoru Nozawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →