Inventor · disambiguated record
Kazuhiko Hara
Also filed as: HARA KAZUHIKO
75 granted patents·6 pending applications·1,615 citations·filing 1984–2020
99Inventor score
Top patents by PatentIndex Score
81 records- 0196US6916862B2Process for the preparation of pigment dispersion, pigment dispersion obtained by the same, ink jet recording ink comprising the same, and recording method and recorded material using the sameSEIKO EPSON CORP·Filed 2001·Granted Jul 12, 2005·74 cites·61 claims
- 0296US6312115B1Ink cartridge for ink jet recorder and method of manufacturing sameSEIKO EPSON CORP·Filed 1998·Granted Nov 6, 2001·104 cites·14 claims
- 0395US6524383B2Method for manufacturing pigment dispersion, pigment dispersion obtained by this method, and ink jet recording ink using sameSEIKO EPSON CORP·Filed 2001·Granted Feb 25, 2003·57 cites·20 claims
- 0494US5748214AInk jet recording headSEIKO EPSON CORP·Filed 1995·Granted May 5, 1998·116 cites·14 claims
- 0592US6723784B2Coating liquid, and image recording method and recording using sameSEIKO EPSON CORP·Filed 2001·Granted Apr 20, 2004·37 cites·43 claims
- 0691US8219783B2SIMD type microprocessor having processing elements that have plural determining unitsHARA KAZUHIKO·Filed 2008·Granted Jul 10, 2012·31 cites·6 claims
- 0791US6705712B2Ink 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
- 0891US6481826B1Ink jet recording apparatus, method of discharging ink from capping unit incorporated in the apparatus, and ink composition used with the apparatusSEIKO EPSON CORP·Filed 2000·Granted Nov 19, 2002·42 cites·15 claims
- 0990US6540322B2Ink jet recording apparatus and ink suction method of the recording headSEIKO EPSON CORP·Filed 2001·Granted Apr 1, 2003·33 cites·30 claims
- 1089US6619783B2Flushing position controller incorporated in ink-jet recording apparatus and flushing method used for the sameSEIKO EPSON CORP·Filed 2000·Granted Sep 16, 2003·31 cites·85 claims
- 1187US5872583AUsing fusible films having windows supplied with adhesive and gap materialSEIKO EPSON CORP·Filed 1995·Granted Feb 16, 1999·58 cites·17 claims
- 1286US6911083B2Method for producing powders made of gallium nitride and apparatus for producing the sameTOKYO INST TECH·Filed 2002·Granted Jun 28, 2005·24 cites·16 claims
- 1386US6364449B1Ink jet recording apparatus and cleaning control method for the sameSEIKO EPSON CORP·Filed 1999·Granted Apr 2, 2002·54 cites·36 claims
- 1485US9925779B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2016·Granted Mar 27, 2018·2 cites·14 claims
- 1585US6854834B2Ink cartridge for ink-jet recorder and method of manufacturing sameSEIKO EPSON CORP·Filed 2001·Granted Feb 15, 2005·19 cites·17 claims
- 1684US5805181AStorage case for storing an ink jet printing unit, the ink jet printing unit including an ink jet recording head and cartridgeSEIKO EPSON CORP·Filed 1996·Granted Sep 8, 1998·48 cites·14 claims
- 1783US5594890AEmulation system for emulating CPU core, CPU core with provision for emulation and ASIC having the CPU coreRICOH KK·Filed 1994·Granted Jan 14, 1997·94 cites·34 claims
- 1882US6599356B2Method for manufacturing pigment dispersed liquid, and pigment dispersed liquid, and ink for ink-jet printer recording using said pigment dispersed liquidSEIKO EPSON CORP·Filed 2001·Granted Jul 29, 2003·14 cites·26 claims
- 1981US6170941B1Ink cartridge for ink-jet recorderSEIKO EPSON CORP·Filed 1998·Granted Jan 9, 2001·45 cites·11 claims
- 2080US6742878B2Ink cartridge and ink jet record apparatus using the ink cartridgeSEIKO EPSON CORP·Filed 2002·Granted Jun 1, 2004·17 cites·13 claims
- 2180US5070346AInk near-end detecting deviceSEIKO EPSON CORP·Filed 1991·Granted Dec 3, 1991·40 cites·6 claims
- 2279US6932456B2Flushing position controller incorporated in ink-jet recording apparatus and flushing method used for the sameSEIKO EPSON CORP·Filed 2003·Granted Aug 23, 2005·15 cites·10 claims
- 2377US9809029B2Liquid ejecting apparatus and cleaning deviceSEIKO EPSON CORP·Filed 2016·Granted Nov 7, 2017·1 cites·15 claims
- 2477US9796184B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2016·Granted Oct 24, 2017·1 cites·10 claims
- 2577US7086723B2Ink cartridge for ink-jet recorder and method of manufacturing sameSEIKO EPSON CORP·Filed 2004·Granted Aug 8, 2006·12 cites·6 claims
- 2676US5255019AInk near-end detecting deviceSEIKO EPSON CORP·Filed 1991·Granted Oct 19, 1993·33 cites·6 claims
- 2775US9469120B2Dummy head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2015·Granted Oct 18, 2016·1 cites·8 claims
- 2875US4568207AMagnetic actuator mechanismMATSUSHITA ELECTRIC WORKS LTD·Filed 1984·Granted Feb 4, 1986·21 cites·3 claims
- 2974US6530634B1Ink jet recording apparatusSEIKO EPSON CORP·Filed 1999·Granted Mar 11, 2003·31 cites·43 claims
- 3074US6312092B1Ink jet recording apparatus and ink suction method of the recording headSEIKO EPSON CORP·Filed 1998·Granted Nov 6, 2001·26 cites·14 claims
- 3173US4850709AFabri-perot spectroscopy method and apparatus utilizing the sameCANON KK·Filed 1987·Granted Jul 25, 1989·33 cites·9 claims
- 3272US5157420AInk jet recording head having reduced manufacturing stepsNAKA TAKAHIRO·Filed 1990·Granted Oct 20, 1992·32 cites·5 claims
- 3371US9174451B2Cleaning device for liquid ejecting head, and liquid ejecting apparatus with the sameSEIKO EPSON CORP·Filed 2014·Granted Nov 3, 2015·1 cites·18 claims
- 3469US6584687B1Method of manufacturing an ink-jet recording head using a thermally fusible film that does not close communication holesSEIKO EPSON CORP·Filed 1997·Granted Jul 1, 2003·23 cites·19 claims
- 3569US4953405AUltrasonic measuring apparatus for measuring a predetermined boundary surface inside an objectCANON KK·Filed 1989·Granted Sep 4, 1990·27 cites·7 claims
- 3668US10639901B1Maintenance method of liquid ejecting apparatusSEIKO EPSON CORP·Filed 2020·Granted May 5, 2020·0 cites·9 claims
- 3768US6886930B2Ink cartridge and ink jet record apparatus using the ink cartridgeSEIKO EPSON CORP·Filed 2004·Granted May 3, 2005·9 cites·3 claims
- 3867US4787749AMethod and apparatus for measuring the thickness of a thin film using the spectral reflection factor of the filmCANON KK·Filed 1986·Granted Nov 29, 1988·23 cites·8 claims
- 3965US6785800B1Single instruction stream multiple data stream processorRICOH KK·Filed 2000·Granted Aug 31, 2004·15 cites·18 claims
- 4065US5161228ASystem with selectively exclusionary enablement for plural indirect address type interrupt control circuitRICOH KK·Filed 1989·Granted Nov 3, 1992·32 cites·4 claims
- 4164US5381693AUltrasonic imaging apparatus with synthesized focus and setting range markingsCANON KK·Filed 1992·Granted Jan 17, 1995·25 cites·8 claims
- 4264US5301552AUltrasonic apparatusCANON KK·Filed 1992·Granted Apr 12, 1994·26 cites·30 claims
- 4363US10005284B2Liquid ejecting apparatus and cleaning deviceSEIKO EPSON CORP·Filed 2017·Granted Jun 26, 2018·0 cites·13 claims
- 4462US8353586B2Ink jet printer, ink jet recording method, and recorded matterSEIKO EPSON CORP·Filed 2012·Granted Jan 15, 2013·0 cites·6 claims
- 4561US7001935B2Ink for ink jet printing process and printed matter obtained using the sameSEIKO EPSON CORP·Filed 2002·Granted Feb 21, 2006·4 cites·14 claims
- 4661US2014221536A1Aqueous Ink, Aqueous Ink Set and Production Method of DispersionSEIKO EPSON CORP·Filed 2014·Application pending·0 cites
- 4760US6406123B1Capping unit for ink jet recording head incorporated in ink jet recording apparatus and method of manufacturing the sameSEIKO EPSON CORP·Filed 1999·Granted Jun 18, 2002·18 cites·33 claims
- 4860US2018170059A1Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2018·Application pending·0 cites
- 4959US6913336B2Ink jet recording apparatus and ink end judging method executed in the sameSEIKO EPSON CORP·Filed 2002·Granted Jul 5, 2005·7 cites·22 claims
- 5057US7384991B2Aqueous inkSEIKO EPSON CORP·Filed 2004·Granted Jun 10, 2008·3 cites·2 claims
Showing the top 50 of 81 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →