Inventor · disambiguated record
Keisuke Ohta
Also filed as: OHTA KEISUKE
28 granted patents·8 pending applications·46 citations·filing 1998–2023
93Inventor score
Top patents by PatentIndex Score
36 records- 0193US9246398B2Power converterSAKAKIBARA KENICHI·Filed 2012·Granted Jan 26, 2016·18 cites·19 claims
- 0281US7619960B2Optical pickup deviceSHARP KK·Filed 2006·Granted Nov 17, 2009·5 cites·8 claims
- 0379US6376702B1Ether compound, production thereof and curable compositionsSHOWA DENKO KK·Filed 2000·Granted Apr 23, 2002·10 cites·23 claims
- 0478US10429756B2Toner, developer, process cartridge, image forming apparatus, image forming method, and method for manufacturing tonerFUWA KAZUOKI·Filed 2018·Granted Oct 1, 2019·2 cites·10 claims
- 0578US9401656B2Method of controlling power conversion apparatusDAIKIN IND LTD·Filed 2013·Granted Jul 26, 2016·4 cites·7 claims
- 0672US10590388B2Cell culture method using bone marrow-like structure, and porous polyimide film for healing bone injury siteUBE INDUSTRIES·Filed 2016·Granted Mar 17, 2020·1 cites·13 claims
- 0771US7978590B2Optical pickup apparatus, reproducing apparatus, recording apparatus, and tracking error signal generation methodSHARP KK·Filed 2009·Granted Jul 12, 2011·2 cites·9 claims
- 0867US10508264B2Cell culture method using bone marrow-like structure, and porous polyimide film for healing bone injury siteUBE INDUSTRIES·Filed 2018·Granted Dec 17, 2019·0 cites·9 claims
- 0965US10907041B2Polyether polymer composition and sheetZEON CORP·Filed 2017·Granted Feb 2, 2021·0 cites·10 claims
- 1065US10851203B2Polyether polymer compositionZEON CORP·Filed 2017·Granted Dec 1, 2020·0 cites·10 claims
- 1162US12249906B2Air conditionerDAIKIN IND LTD·Filed 2021·Granted Mar 11, 2025·0 cites·17 claims
- 1261US12155212B2Power control system and deviceDAIKIN IND LTD·Filed 2021·Granted Nov 26, 2024·0 cites·10 claims
- 1359US9241099B2Camera module and electronic deviceSHARP KK·Filed 2013·Granted Jan 19, 2016·1 cites·5 claims
- 1459US2009192279A1Radically Polymerizable Sulfur-Containing Compound and Radically Polymerizable Sulfur-Containing PolymerSHOWA DENKO KK·Filed 2009·Application pending·0 cites
- 1557US12355379B2Power conversion systemDAIKIN IND LTD·Filed 2023·Granted Jul 8, 2025·0 cites·20 claims
- 1657US12154742B2FusePACIFIC ENG CORPORATION·Filed 2021·Granted Nov 26, 2024·0 cites·3 claims
- 1757US9870894B2Embedding resin composition for electron microscopey and method for observing sample with electron microscope using the sameOHTA KEISUKE·Filed 2012·Granted Jan 16, 2018·1 cites·11 claims
- 1852US10344124B2Polyether-based polymer compositionZEON CORP·Filed 2016·Granted Jul 9, 2019·0 cites·6 claims
- 1952US9278348B2Polyether compound, cross-linkable composition, and electrolyteHAYANO SHIGETAKA·Filed 2012·Granted Mar 8, 2016·0 cites·6 claims
- 2049US7939612B2Radically polymerizable compound having a cyclic dithiocarbonate groupSHOWA DENKO KK·Filed 2007·Granted May 10, 2011·0 cites·20 claims
- 2149US7518001B2Radically polymerizable sulfur-containing compound and radically polymerizable sulfur-containing polymerSHOWA DENKO KK·Filed 2005·Granted Apr 14, 2009·0 cites·13 claims
- 2249US2023369856A1Power control system and deviceDAIKIN IND LTD·Filed 2021·Application pending·0 cites
- 2348US2016049260A1Dye-sensitized solar-cell elementZEON CORP·Filed 2014·Application pending·0 cites
- 2447US2023327706A1Power control system, device, and information processing systemDAIKIN IND LTD·Filed 2021·Application pending·0 cites
- 2545US7492695B2Optical pick-up capable of increasing the quantity of received laser beamSHARP KK·Filed 2005·Granted Feb 17, 2009·0 cites·8 claims
- 2643US2022003181A1Internal combustion engine control apparatusC/O HONDA MOTOR CO LTD·Filed 2021·Application pending·0 cites
- 2739US7569327B2Curable polymer compoundSHOWDA DENKO K K·Filed 2004·Granted Aug 4, 2009·0 cites·30 claims
- 2838US7049350B2Polymerizable compound, polymerizable composition and cured product containing the compoundSHOWA DENKO KK·Filed 2002·Granted May 23, 2006·0 cites·17 claims
- 2938US2023038404A1FusePACIFIC ENG CORPORATION·Filed 2020·Application pending·0 cites
- 3037US9819281B2Power conversion control deviceDAIKIN IND LTD·Filed 2015·Granted Nov 14, 2017·0 cites·7 claims
- 3137US7038076B2Fumarate derivative, method for producing the sameSHOWA DENKO KK·Filed 2001·Granted May 2, 2006·0 cites·3 claims
- 3236US9735698B2Method of controlling power conversion apparatusDAIKIN IND LTD·Filed 2015·Granted Aug 15, 2017·0 cites·9 claims
- 3336US2019269828A1Implant and kit for treatment of bone lesion site, as well as method for treating bone lesion siteUBE INDUSTRIES·Filed 2017·Application pending·0 cites
- 3435US2002002306A1Method for producing fumaric acid estersFiled 2001·Application pending·0 cites
- 3534US6204410B1Ether compounds and process for producing the sameSHOWA DENKO KK·Filed 1998·Granted Mar 20, 2001·2 cites·10 claims
- 3629US8697912B2N-(1-hydroxyethyl) carboxamide compound and process for producing sameOHTA KEISUKE·Filed 2010·Granted Apr 15, 2014·0 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Keisuke Ohta 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 →