Inventor · disambiguated record
Masashi Ogawa
Also filed as: OGAWA MASASHI
110 granted patents·24 pending applications·1,484 citations·filing 1982–2025
99Inventor score
Files withFUJI PHOTO FILM CO LTD41CANON KK34NEC CORP7MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6FUJI CORP4
Top patents by PatentIndex Score
134 records- 0197US6623104B1Liquid container, cap used with the liquid container, and cap-equipped liquid containerCANON KK·Filed 2000·Granted Sep 23, 2003·94 cites·6 claims
- 0296US8020978B2Cartridge for ink jet recording and method for producing the sameCANON KK·Filed 2008·Granted Sep 20, 2011·22 cites·4 claims
- 0396US7445322B2Liquid storing container and recording apparatusCANON KK·Filed 2005·Granted Nov 4, 2008·25 cites·3 claims
- 0495US8485642B2Ink tank and ink supply systemHAYASHI HIROKI·Filed 2007·Granted Jul 16, 2013·23 cites·22 claims
- 0595US7396118B2Cartridge for ink jet recording and method for producing the sameCANON KK·Filed 2005·Granted Jul 8, 2008·20 cites·5 claims
- 0695US6713255B1DNA chip, PNA chip, and their preparation methodsFUJI PHOTO FILM CO LTD·Filed 2000·Granted Mar 30, 2004·55 cites·5 claims
- 0794US6390612B1Method for filling ink holding member with ink, ink filling apparatus, and ink tank to be filled with ink by ink filling methodCANON KK·Filed 2000·Granted May 21, 2002·59 cites·17 claims
- 0890US6916085B2Liquid container, cap used with the liquid container, and cap-equipped liquid containerCANON KK·Filed 2003·Granted Jul 12, 2005·34 cites·7 claims
- 0990US6419350B1Ink tank, recording head cartridge and ink jet recording apparatusCANON KK·Filed 2000·Granted Jul 16, 2002·38 cites·17 claims
- 1088US5460777AAnalytical element for whole blood analysisFUJI PHOTO FILM CO LTD·Filed 1993·Granted Oct 24, 1995·74 cites·9 claims
- 1187US6506567B2Water-soluble flourescent intercalator compoundFUJI PHOTO FILM CO LTD·Filed 2001·Granted Jan 14, 2003·20 cites·22 claims
- 1285US7125109B2Ink container and ink container holderCANON KK·Filed 2004·Granted Oct 24, 2006·27 cites·6 claims
- 1385US4657656APolyacrylamide medium for electrophoresis having improved elasticityFUJI PHOTO FILM CO LTD·Filed 1984·Granted Apr 14, 1987·42 cites·5 claims
- 1482US5804896AHigh speed spindle motor and apparatus equipped with high speed spindle motorSEIKO SEIKI KK·Filed 1995·Granted Sep 8, 1998·54 cites·19 claims
- 1582US4548870AElement for electrophoresisFUJI PHOTO FILM CO LTD·Filed 1984·Granted Oct 22, 1985·36 cites·8 claims
- 1681US4548869AElement for electrophoresisFUJI PHOTO FILM CO LTD·Filed 1984·Granted Oct 22, 1985·35 cites·6 claims
- 1780US6864055B2Method for detecting nucleic acidsFUJI PHOTO FILM CO LTD·Filed 2001·Granted Mar 8, 2005·6 cites·8 claims
- 1880US6261780B1Quantitative analysis of biochemical compound utilizing electrochemical reactionFUJI PHOTO FILM CO LTD·Filed 2000·Granted Jul 17, 2001·7 cites·8 claims
- 1979US8840220B2Ink jet printing apparatus and ink tankTANIGUCHI SUGURU·Filed 2011·Granted Sep 23, 2014·4 cites·15 claims
- 2078US7686438B2Liquid tankCANON KK·Filed 2007·Granted Mar 30, 2010·4 cites·9 claims
- 2178US4600641AElement for electrophoresisFUJI PHOTO FILM CO LTD·Filed 1985·Granted Jul 15, 1986·35 cites·8 claims
- 2277US7347541B2Liquid tankCANON KK·Filed 2005·Granted Mar 25, 2008·4 cites·1 claims
- 2377US4737259AElement for electrophoresisFUJI PHOTO FILM CO LTD·Filed 1986·Granted Apr 12, 1988·37 cites·11 claims
- 2476US5882935AAnalysis element and method for analyzing glycated hemoglobin content ratioFUJI PHOTO FILM CO LTD·Filed 1995·Granted Mar 16, 1999·48 cites·16 claims
- 2575US5709837ADry analytical element containing ampholyteFUJI PHOTO FILM CO LTD·Filed 1995·Granted Jan 20, 1998·40 cites·20 claims
- 2675US4396708APhotographic light-sensitive material containing antistatic acid polymerFUJI PHOTO FILM CO LTD·Filed 1982·Granted Aug 2, 1983·14 cites·7 claims
- 2774US5887238AToner printing machine and method for fixing toner imageMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Mar 23, 1999·25 cites·24 claims
- 2873US5130258AMethod of quantitatively analyzing analyte contained in whole blood sampleFUJI PHOTO FILM CO LTD·Filed 1991·Granted Jul 14, 1992·36 cites·18 claims
- 2973US4699705AElement for electrophoresis using aqueous polyacrylamide gelDIRECTOR OF THE FINANCE DIVISI·Filed 1986·Granted Oct 13, 1987·33 cites·10 claims
- 3071US8721933B2Optical sheet manufacture method and optical sheetMIZUNO HIROSHI·Filed 2008·Granted May 13, 2014·1 cites·17 claims
- 3171US7962320B2Method, apparatus and program for creating a power pin model of a semiconductor integrated circuitNEC CORP·Filed 2006·Granted Jun 14, 2011·6 cites·22 claims
- 3271US6492119B1Hard macro arrayFUJI PHOTO FILM CO LTD·Filed 2000·Granted Dec 10, 2002·14 cites·8 claims
- 3371US4582868AMedium for electrophoresisFUJI PHOTO FILM CO LTD·Filed 1984·Granted Apr 15, 1986·25 cites·6 claims
- 3470USD696720SInk tank for printerCANON KK·Filed 2013·Granted Dec 31, 2013·16 cites·1 claims
- 3570US4476218ASilver halide photographic light-sensitive materialsFUJI PHOTO FILM CO LTD·Filed 1982·Granted Oct 9, 1984·11 cites·12 claims
- 3670US2025304387A1Medium conveyance apparatus and recording apparatusSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 3769US12266227B2Vehicle with oil insulation performance detectionTOYOTA MOTOR CO LTD·Filed 2023·Granted Apr 1, 2025·0 cites·5 claims
- 3869US7234803B2Ink jet recording cartridge having a lid for pressing an absorber and commonly usable in other ink jet recording cartridge configurationsCANON KK·Filed 2004·Granted Jun 26, 2007·10 cites·6 claims
- 3969US4963243AMedium for electrophoresisDIRECTOR OF THE FINANCE DIVISI·Filed 1990·Granted Oct 16, 1990·33 cites·10 claims
- 4069US4806434AMedium for electrophoresisFUJI PHOTO FILM CO LTD·Filed 1985·Granted Feb 21, 1989·19 cites·10 claims
- 4169US4551412ASilver halide photographic light-sensitive material for photomechanical process and method of reduction treatment thereforeFUJI PHOTO FILM CO LTD·Filed 1983·Granted Nov 5, 1985·11 cites·27 claims
- 4268USD696718SInk tank for printerMURAKAMI HIRONORI·Filed 2012·Granted Dec 31, 2013·16 cites·1 claims
- 4368US4579783AElement for electrophoresisAGENCY SCIENCE & TECH·Filed 1984·Granted Apr 1, 1986·24 cites·6 claims
- 4467US9536033B2Board design method and board design deviceNEC CORP·Filed 2013·Granted Jan 3, 2017·2 cites·20 claims
- 4567US6399305B1Protection of partial complementary nucleic acid fragment using a electroconductive chip and intercalatorFUJI PHOTO FILM CO LTD·Filed 2000·Granted Jun 4, 2002·12 cites·20 claims
- 4667US4718998AElement for electrophoresisFUJI PHOTO FILM CO LTD·Filed 1987·Granted Jan 12, 1988·21 cites·13 claims
- 4765US5821647ASpindle motorSEIKO SEIKI KK·Filed 1996·Granted Oct 13, 1998·28 cites·24 claims
- 4865US4844786AMeans for electrophoresisFUJI PHOTO FILM CO LTD·Filed 1988·Granted Jul 4, 1989·23 cites·8 claims
- 4964US12172857B2Medium transport apparatus and recording apparatusSEIKO EPSON CORP·Filed 2022·Granted Dec 24, 2024·0 cites·13 claims
- 5062US11780455B2Vehicle control device, vehicle control method, and recording mediumHONDA MOTOR CO LTD·Filed 2021·Granted Oct 10, 2023·0 cites·12 claims
Showing the top 50 of 134 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →