Inventor · disambiguated record
Hitoshi Ohta
Also filed as: OHTA HITOSHI
43 granted patents·8 pending applications·746 citations·filing 1982–2019
98Inventor score
Top patents by PatentIndex Score
51 records- 0198US5954866AInk for ink jet recording and image forming method using the sameSEIKO EPSON CORP·Filed 1997·Granted Sep 21, 1999·121 cites·17 claims
- 0295US6524383B2Method 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
- 0395US6236538B1Magnetic structure and magnetic head using the sameMITSUBISHI ELECTRIC CORP·Filed 1993·Granted May 22, 2001·82 cites·10 claims
- 0495US5883760AMagnetic structure and magnetic head using the sameMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Mar 16, 1999·93 cites·17 claims
- 0594US6802893B1Ink for ink-jet recording and process for producing the same, ink set for ink-jet recording, and ink cartridgeSEIKO EPSON CORP·Filed 2000·Granted Oct 12, 2004·53 cites·47 claims
- 0692US9624393B2Ink jet recording method, ink jet recording apparatus, and recorded matterSEIKO EPSON CORP·Filed 2015·Granted Apr 18, 2017·6 cites·10 claims
- 0792US4397451AFurnace for the heat treatment of scale-covered steelCHUGAI RO KOGYO KAISHA LTD·Filed 1982·Granted Aug 9, 1983·31 cites·2 claims
- 0889US8911074B2Ink jet recording methodSEIKO EPSON CORP·Filed 2013·Granted Dec 16, 2014·5 cites·10 claims
- 0986US10384469B2Ink jet recording method and method of controlling ink jet recording apparatusSEIKO EPSON CORP·Filed 2017·Granted Aug 20, 2019·2 cites·20 claims
- 1086US8757784B2Ink for ink jet recording and recording methodSEIKO EPSON CORP·Filed 2013·Granted Jun 24, 2014·3 cites·14 claims
- 1185US11186739B2Printing method and white ink compositionSEIKO EPSON CORP·Filed 2019·Granted Nov 30, 2021·1 cites·10 claims
- 1284US6720367B2Ink composition comprising cationic, water-soluble resinSEIKO EPSON CORP·Filed 1998·Granted Apr 13, 2004·47 cites·46 claims
- 1383US10190011B2Ink jet recording method, ink jet ink composition, and ink setSEIKO EPSON CORP·Filed 2017·Granted Jan 29, 2019·1 cites·12 claims
- 1482US9278547B2Record and method for manufacturing recordSEIKO EPSON CORP·Filed 2014·Granted Mar 8, 2016·2 cites·16 claims
- 1581US5996228AMonolith-holding element, process for producing the same, catalytic converter using a monolith member and process for producing the sameMITSUBISHI CHEM CORP·Filed 1996·Granted Dec 7, 1999·41 cites·2 claims
- 1676US10113851B2Probe head rotating mechanismMITUTOYO CORP·Filed 2016·Granted Oct 30, 2018·3 cites·11 claims
- 1775US9309423B2Ink composition and image forming methodSEIKO EPSON CORP·Filed 2013·Granted Apr 12, 2016·2 cites·20 claims
- 1874US8702218B2Aqueous ink composition and printing process by ink jet recording system using the compositionOHTA HITOSHI·Filed 2011·Granted Apr 22, 2014·3 cites·13 claims
- 1972US8783844B2Ink jet recording method, ink jet recording apparatus, and recording materialSEIKO EPSON CORP·Filed 2013·Granted Jul 22, 2014·1 cites·8 claims
- 2072US6689328B1Metal honeycomb body for exhaust gas purification catalyst and method for producing the sameNIPPON STEEL CORP·Filed 1997·Granted Feb 10, 2004·46 cites·31 claims
- 2170US8210672B2Printing method using inkjet recording method and printing apparatusMUKAI HIROSHI·Filed 2009·Granted Jul 3, 2012·3 cites·6 claims
- 2270US6211265B1Water base ink set for ink jet recordingSEIKO EPSON CORP·Filed 1998·Granted Apr 3, 2001·26 cites·14 claims
- 2368US9487667B2Ink jet printing methodOHTA HITOSHI·Filed 2009·Granted Nov 8, 2016·1 cites·19 claims
- 2467US10160876B2Ink jet recording method, ink jet recording apparatus, and recorded matterSEIKO EPSON CORP·Filed 2017·Granted Dec 25, 2018·0 cites·9 claims
- 2565US9914843B2Ink jet recording methodSEIKO EPSON CORP·Filed 2017·Granted Mar 13, 2018·0 cites·12 claims
- 2664US9695326B2Ink jetting ink set and cleaning methodSEIKO EPSON CORP·Filed 2013·Granted Jul 4, 2017·0 cites·6 claims
- 2761US7001935B2Ink for ink jet printing process and printed matter obtained using the sameSEIKO EPSON CORP·Filed 2002·Granted Feb 21, 2006·4 cites·14 claims
- 2860US10759206B2Recording method and recording apparatusSEIKO EPSON CORP·Filed 2018·Granted Sep 1, 2020·0 cites·22 claims
- 2958US7755956B2Non-volatile semiconductor memory and method for replacing defective blocks thereofTOSHIBA KK·Filed 2008·Granted Jul 13, 2010·4 cites·25 claims
- 3058US2010086689A1Printing method by ink jet recordingSEIKO EPSON CORP·Filed 2009·Application pending·0 cites
- 3157US10906331B2Recording method and ink jet recording apparatusSEIKO EPSON CORP·Filed 2019·Granted Feb 2, 2021·0 cites·20 claims
- 3256US5648176AMetallic honeycomb body for supporting catalyst for automobiles and process for producing the sameNIPPON STEEL CORP·Filed 1994·Granted Jul 15, 1997·27 cites·14 claims
- 3354US6118699ASemiconductor memory device using MONOS type nonvolatile memory cellTOSHIBA KK·Filed 1999·Granted Sep 12, 2000·15 cites·15 claims
- 3453US8759417B2Water-based ink, water-based ink set, and process for producing dispersionYATAKE MASAHIRO·Filed 2002·Granted Jun 24, 2014·2 cites·20 claims
- 3553US6395849B1Processes for producing N,N-dialkylallylamine polymers and N,N-dialkyllylamine polymersNITTO BOSEKI CO LTD·Filed 1998·Granted May 28, 2002·10 cites·28 claims
- 3651US8888231B2Cleaning method and cleaning deviceSEIKO EPSON CORP·Filed 2013·Granted Nov 18, 2014·0 cites·12 claims
- 3751US5541369APrinted circuit board having transmission lines with varying thicknessesNITTO DENKO CORP·Filed 1995·Granted Jul 30, 1996·17 cites·14 claims
- 3848US5665669AMetallic honeycomb body for supporting catalyst and production method thereofNIPPON STEEL CORP·Filed 1994·Granted Sep 9, 1997·11 cites·11 claims
- 3948US2013115431A1Ink composition, ink jet recording method, and recorded matterSEIKO EPSON CORP·Filed 2012·Application pending·0 cites
- 4047US4836980AMethod of sintering an injection-molded articleCHUGAI RO KOGYO KAISHA LTD·Filed 1988·Granted Jun 6, 1989·13 cites·4 claims
- 4146US10000084B2Ink set and recording methodSEIKO EPSON CORP·Filed 2016·Granted Jun 19, 2018·0 cites·19 claims
- 4244US8259493B2Nonvolatile semiconductor storage device and method of testing the sameOHTA HITOSHI·Filed 2009·Granted Sep 4, 2012·1 cites·16 claims
- 4341US2006047013A1Water base ink composition, method of ink jet recording therewith and recordITO HIROSHI·Filed 2003·Application pending·0 cites
- 4439US6809128B2Ink composition comprising cationic water-soluble resin, and ink setSEIKO EPSON CORP·Filed 1999·Granted Oct 26, 2004·6 cites·30 claims
- 4538US7265164B2Ink composition containing cationic water-soluble polymerSEIKO EPSON CORP·Filed 1999·Granted Sep 4, 2007·6 cites·14 claims
- 4635US2013015915A1Semiconductor deviceTOSHIBA KK·Filed 2012·Application pending·0 cites
- 4734US2012176455A1Printing method using ink jet recordingOHTA HITOSHI·Filed 2011·Application pending·0 cites
- 4834US2013286752A1Semiconductor memoryTOSHIBA KK·Filed 2013·Application pending·0 cites
- 4933US9724938B2Ink jet recording method, ink jet recording apparatus, and recorded matterSEIKO EPSON CORP·Filed 2015·Granted Aug 8, 2017·0 cites·11 claims
- 5033US2012159284A1Semiconductor memory device capable of transferring various types of dataOHTA HITOSHI·Filed 2011·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →