Inventor · disambiguated record
Akira Nakazawa
Also filed as: NAKAZAWA AKIRA
463 granted patents·48 pending applications·7,958 citations·filing 1980–2020
99Inventor score
Files withSILVERBROOK RES PTY LTD352SILVERBROOK KIA34BERRY NORMAN MICHEAL12ZAMTEC LTD12FUJITSU LTD11
Top patents by PatentIndex Score
511 records- 0199US7806522B2Printer assembly having a refillable cartridge assemblySILVERBROOK RES PTY LTD·Filed 2008·Granted Oct 5, 2010·47 cites·3 claims
- 0299US7735986B2Ink storage moduleSILVERBROOK RES PTY LTD·Filed 2008·Granted Jun 15, 2010·111 cites·7 claims
- 0399US7708392B2Refill unit for engaging with ink storage compartment, and fluidically isolating printheadSILVERBROOK RES PTY LTD·Filed 2009·Granted May 4, 2010·36 cites·20 claims
- 0499US7703885B2Cradle unit which electromagnetically operates printhead capperSILVERBROOK RES PTY LTD·Filed 2008·Granted Apr 27, 2010·77 cites·7 claims
- 0599US7699446B2Ink refill unit with incremental millilitre ink ejection for print cartridgeSILVERBROOK RES PTY LTD·Filed 2008·Granted Apr 20, 2010·75 cites·5 claims
- 0699US7699448B2Ink refill unit with threaded incremental ink ejection for print cartridgeSILVERBROOK RES PTY LTD·Filed 2008·Granted Apr 20, 2010·70 cites·4 claims
- 0799US7699447B2Ink refill unit with controlled incremental ink ejection for print cartridgeSILVERBROOK RES PTY LTD·Filed 2008·Granted Apr 20, 2010·121 cites·5 claims
- 0899US7677692B2Cradle unit for receiving a print cartridge to form a print engineSILVERBROOK RES PTY LTD·Filed 2008·Granted Mar 16, 2010·78 cites·7 claims
- 0999US7611234B2Ink refill cartridge with an internal spring assembly for a printerSILVERBROOK RES PTY LTD·Filed 2008·Granted Nov 3, 2009·47 cites·12 claims
- 1099US7588324B2Ink cartridge having enlarged end reservoirsSILVERBROOK RES PTY LTD·Filed 2008·Granted Sep 15, 2009·55 cites·7 claims
- 1199US7566106B2Refill unit for ink cartridge in printer with ink suitability verificationSILVERBROOK RES PTY LTD·Filed 2004·Granted Jul 28, 2009·87 cites·18 claims
- 1299US7556359B2Ink refill unit with a working outlet and other dummy outletsSILVERBROOK RES PTY LTD·Filed 2008·Granted Jul 7, 2009·76 cites·7 claims
- 1399US7549738B2Ink refill unit for a negatively pressurized ink reservoir of a printer cartridgeSILVERBROOK RES PTY LTD·Filed 2007·Granted Jun 23, 2009·81 cites·7 claims
- 1499US7547098B2Printing fluid supply deviceSILVERBROOK RES PTY LTD·Filed 2007·Granted Jun 16, 2009·83 cites·18 claims
- 1599US7537315B2Cradle unit for a print engine having a maintenance drive assemblySILVERBROOK RES PTY LTD·Filed 2008·Granted May 26, 2009·81 cites·7 claims
- 1699US7490927B2Refill unit for simultaneously engaging with, and opening inlet valve to, an ink cartridgeSILVERBROOK RES PTY LTD·Filed 2004·Granted Feb 17, 2009·110 cites·18 claims
- 1799US7488052B2Cradle unit having an electromagnetic capper actuation systemSILVERBROOK RES PTY LTD·Filed 2004·Granted Feb 10, 2009·81 cites·7 claims
- 1899US7469989B2Printhead chip having longitudinal ink supply channels interrupted by transverse bridgesSILVERBROOK RES PTY LTD·Filed 2005·Granted Dec 30, 2008·54 cites·2 claims
- 1999US7467861B2Ink refill unit with incremental ink ejection for a print cartridgeSILVERBROOK RES PTY LTD·Filed 2007·Granted Dec 23, 2008·78 cites·4 claims
- 2099US7467849B2Printhead incorporating a static pagewidth printheadSILVERBROOK RES PTY LTD·Filed 2007·Granted Dec 23, 2008·1.5k cites·6 claims
- 2199US7441865B2Printhead chip having longitudinal ink supply channelsSILVERBROOK RES PTY LTD·Filed 2005·Granted Oct 28, 2008·60 cites·13 claims
- 2299US7306325B2Inkjet printer having ink distribution to fixedly attached printhead ICSSILVERBROOK RES PTY LTD·Filed 2006·Granted Dec 11, 2007·92 cites·9 claims
- 2398US8025383B2Fluidically damped printheadSILVERBROOK RES PTY LTD·Filed 2007·Granted Sep 27, 2011·27 cites·12 claims
- 2498US7837296B2Maintenance assembly for a pagewidth printer having a motorized driveSILVERBROOK RES PTY LTD·Filed 2008·Granted Nov 23, 2010·18 cites·7 claims
- 2598US7762652B2Print engine with ink storage modules incorporating collapsible bagsSILVERBROOK RES PTY LTD·Filed 2008·Granted Jul 27, 2010·22 cites·2 claims
- 2698US7726779B2Printhead assembly having electrical connector assembliesSILVERBROOK RES PTY LTD·Filed 2008·Granted Jun 1, 2010·33 cites·7 claims
- 2798US7703886B2Printhead assembly with pagewidth ink and data distributionSILVERBROOK RES PTY LTD·Filed 2007·Granted Apr 27, 2010·37 cites·20 claims
- 2898US7699433B2Method of maintaining a printhead using a maintenance roller and ink removal system mounted on a chassisSILVERBROOK RES PTY LTD·Filed 2006·Granted Apr 20, 2010·29 cites·13 claims
- 2998US7648226B2Printhead assembly having interconnected printhead modulesSILVERBROOK RES PTY LTD·Filed 2007·Granted Jan 19, 2010·39 cites·6 claims
- 3098US7621620B2Inkjet printer unit having a high speed print engineSILVERBROOK RES PTY LTD·Filed 2004·Granted Nov 24, 2009·49 cites·20 claims
- 3198US7585054B2Inkjet printhead with integrated circuit mounted on polymer sealing filmSILVERBROOK RES PTY LTD·Filed 2004·Granted Sep 8, 2009·50 cites·17 claims
- 3298US7537309B2Pagewidth printhead assembly having an improved ink distribution structureSILVERBROOK RES PTY LTD·Filed 2004·Granted May 26, 2009·40 cites·14 claims
- 3398US7524021B2Inkjet printer having removably constrained printhead ICSSILVERBROOK RES PTY LTD·Filed 2006·Granted Apr 28, 2009·35 cites·5 claims
- 3498US7517049B2Printhead assembly having printhead module and controllerSILVERBROOK RES PTY LTD·Filed 2007·Granted Apr 14, 2009·35 cites·18 claims
- 3598US7429096B2Cradle unit for electrically engaging with a pagewidth printhead cartridgeSILVERBROOK RES PTY LTD·Filed 2004·Granted Sep 30, 2008·54 cites·5 claims
- 3698US7416287B2Cradle unit having a refill actuator for operating a refill unitSILVERBROOK RES PTY LTD·Filed 2004·Granted Aug 26, 2008·69 cites·9 claims
- 3798US7404623B2Printhead assembly with modular printhead tiles for pagewidth printingSILVERBROOK RES PTY LTD·Filed 2007·Granted Jul 29, 2008·42 cites·7 claims
- 3898US7357496B2Inkjet printhead assembly with resilient ink connectorsSILVERBROOK RES PTY LTD·Filed 2005·Granted Apr 15, 2008·37 cites·17 claims
- 3997US7658479B2Print engine with a refillable printer cartridge with ink refill portsSILVERBROOK RES PTY LRD·Filed 2008·Granted Feb 9, 2010·76 cites·4 claims
- 4097US7524043B2Refill unit for engaging with, and closing the outlet valve from an ink storage compartmentSILVERBROOK RES PTY LTD·Filed 2004·Granted Apr 28, 2009·38 cites·20 claims
- 4197US7452055B2Printing cartridge having self-referencing printheadSILVERBROOK RES PTY LTD·Filed 2005·Granted Nov 18, 2008·20 cites·13 claims
- 4297US7431443B2Ink reservoir with pressure regulating valveSILVERBROOK RES PTY LTD·Filed 2005·Granted Oct 7, 2008·28 cites·17 claims
- 4397US7431440B2Ink reservoir with air bagSILVERBROOK RES PTY LTD·Filed 2005·Granted Oct 7, 2008·22 cites·12 claims
- 4496US8277025B2Printhead cartridge with no paper path obstructionsNAKAZAWA AKIRA·Filed 2008·Granted Oct 2, 2012·30 cites·12 claims
- 4596US7845782B2Pivotable PCB retension arrangement for inkjet cartridge cradleSILVERBROOK RES PTY LTD·Filed 2008·Granted Dec 7, 2010·10 cites·8 claims
- 4696US7753475B2Printer having pivotally capped duplexed printheadsSILVERBROOK RES PTY LTD·Filed 2009·Granted Jul 13, 2010·15 cites·5 claims
- 4796US7712868B2Printer assembly having a support frame for supporting a printhead arrangementSILVERBROOK RES PTY LTD·Filed 2008·Granted May 11, 2010·16 cites·8 claims
- 4896US7588312B2Printer having relative arcuately moveable simplex printhead and capping and purging mechanismSILVERBROOK RES PTY LTD·Filed 2008·Granted Sep 15, 2009·18 cites·9 claims
- 4996US7556360B2Inkjet printer having selectable ink distribution channels to printhead ICSSILVERBROOK RES PTY LTD·Filed 2006·Granted Jul 7, 2009·38 cites·9 claims
- 5096US7556364B2Ink cartridge with self sealing outlet valveSILVERBROOK RES PTY LTD·Filed 2005·Granted Jul 7, 2009·19 cites·14 claims
Showing the top 50 of 511 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →