Inventor · disambiguated record
Kenichi Ishitsuka
Also filed as: ISHITSUKA KENICHI
19 granted patents·20 pending applications·25 citations·filing 2010–2020
90Inventor score
Top patents by PatentIndex Score
39 records- 0191US9496509B2Organic electronic material, ink composition, and organic electronic elementHITACHI CHEMICAL CO LTD·Filed 2012·Granted Nov 15, 2016·7 cites·20 claims
- 0287US9583714B2Material for organic electronics, organic electronic element, organic electroluminescent element, display element using organic electroluminescent element, illuminating device, and display deviceFUNYUU SHIGEAKI·Filed 2010·Granted Feb 28, 2017·10 cites·22 claims
- 0379US9337429B2Organic electronic material, ink composition, and organic electronic elementHITACHI CHEMICAL CO LTD·Filed 2012·Granted May 10, 2016·3 cites·5 claims
- 0478US11737345B2Organic electronic material, ink composition containing same, and organic thin film, organic electronic element, organic electroluminescent element, lighting device, and display device formed therewithSHOWA DENKO MATERIALS CO LTD·Filed 2020·Granted Aug 22, 2023·0 cites·20 claims
- 0573US9985210B2Organic electronic material, ink composition, and organic electronic elementHITACHI CHEMICAL CO LTD·Filed 2017·Granted May 29, 2018·1 cites·10 claims
- 0672US10840451B2Organic electronic material, ink composition containing same, and organic thin film, organic electronic element, organic eletroluminescent element, lighting device, and display device formed therewithHITACHI CHEMICAL CO LTD·Filed 2018·Granted Nov 17, 2020·0 cites·25 claims
- 0772US2020143954A1Organic electronic material, polymerization initiator and thermal polymerization initiator, ink composition, organic thin film and production method for same, organic electronic element, organic electroluminescent element, lighting device, display element, and display deviceHITACHI CHEMICAL CO LTD·Filed 2019·Application pending·0 cites
- 0870US9537101B2Composition capable of changing its solubility, hole transport material composition, and organic electronic element using the sameHITACHI CHEMICAL CO LTD·Filed 2015·Granted Jan 3, 2017·1 cites·20 claims
- 0969US9748488B2Organic electronic material, ink composition, and organic electronic elementHITACHI CHEMICAL CO LTD·Filed 2016·Granted Aug 29, 2017·1 cites·12 claims
- 1068US10840452B2Organic electronic material including charge transport polymer or oligomer having structural unit containing aromatic amine structure substituted with fluorine atom, organic electronic element, and organic electroluminescent elementHITACHI CHEMICAL CO LTD·Filed 2017·Granted Nov 17, 2020·1 cites·25 claims
- 1167US10566105B2Method for producing charge transport filmISHITSUKA KENICHI·Filed 2011·Granted Feb 18, 2020·1 cites·6 claims
- 1265US9929346B2Organic electronic material, ink composition containing same, and organic thin film, organic electronic element, organic electroluminescent element, lighting device, and display device formed therewithHITACHI CHEMICAL CO LTD·Filed 2015·Granted Mar 27, 2018·0 cites·17 claims
- 1363US10665786B2Treatment liquid containing ionic compound, organic electronic element, and method for producing organic electronic elementHITACHI CHEMICAL CO LTD·Filed 2014·Granted May 26, 2020·0 cites·15 claims
- 1462US2020259085A1Treatment liquid containing ionic compound, organic electronic element, and method for producing organic electronic elementHITACHI CHEMICAL CO LTD·Filed 2020·Application pending·0 cites
- 1559US12365759B2Organic electronic material and organic electronic elementSHOWA DENKO MATERIALS CO LTD·Filed 2018·Granted Jul 22, 2025·0 cites·18 claims
- 1657US12319829B2Organic electronic material and use thereofSHOWA DENKO MATERIALS CO LTD·Filed 2018·Granted Jun 3, 2025·0 cites·17 claims
- 1757US10868252B2Organic electronics material and use thereofHITACHI CHEMICAL CO LTD·Filed 2016·Granted Dec 15, 2020·0 cites·23 claims
- 1855US9252376B2Composition capable of changing its solubility, hole transport material composition, and organic electronic element using the sameHITACHI CHEMICAL CO LTD·Filed 2012·Granted Feb 2, 2016·0 cites·13 claims
- 1954US2012074360A1Organic Electronic Material, Ink Composition Containing Same, and Organic Thin Film, Organic Electronic Element, Organic Electroluminescent Element, Lighting Device, and Display Device Formed TherewithFUNYUU SHIGEAKI·Filed 2010·Application pending·0 cites
- 2045US2022251298A1Organic electronics material and method for preparing charge-transporting polymerSHOWA DENKO MATERIALS CO LTD·Filed 2019·Application pending·0 cites
- 2144US11118005B2Composition, hole transport material composition, and ink compositionHITACHI CHEMICAL CO LTD·Filed 2016·Granted Sep 14, 2021·0 cites·15 claims
- 2242US2020185610A1Organic electronic material, ink composition, and organic electronic elementHITACHI CHEMICAL CO LTD·Filed 2017·Application pending·0 cites
- 2342US2020017631A1Branched polymer production method, branched polymer, and organic electronic elementHITACHI CHEMICAL CO LTD·Filed 2018·Application pending·0 cites
- 2441US2020106018A1Organic electronic material, ink composition, organic layer and organic electronic elementHITACHI CHEMICAL CO LTD·Filed 2017·Application pending·0 cites
- 2540US2020032001A1Branched polymer production method, branched polymer, and organic electronic elementHITACHI CHEMICAL CO LTD·Filed 2018·Application pending·0 cites
- 2640US2019393417A1Organic electronic material, ink composition, organic layer, organic electronic element, organic electroluminescent element, display element, illumination device, and display deviceHITACHI CHEMICAL CO LTD·Filed 2018·Application pending·0 cites
- 2739US12202934B2Charge-transport polymer and organic electronic elementHITACHI CHEMICAL CO LTD·Filed 2017·Granted Jan 21, 2025·0 cites·20 claims
- 2839US2019165293A1Organic electronic materialHITACHI CHEMICAL CO LTD·Filed 2017·Application pending·0 cites
- 2939US2020083456A1Organic electronic material, organic electronic element, and organic electroluminescent elementHITACHI CHEMICAL CO LTD·Filed 2017·Application pending·0 cites
- 3039US2019267550A1Organic electronic material and use of sameHITACHI CHEMICAL CO LTD·Filed 2017·Application pending·0 cites
- 3138US2017044308A1Polymer or oligomer, hole transport material composition, and organic electronic element using sameHITACHI CHEMICAL CO LTD·Filed 2015·Application pending·0 cites
- 3238US2021179770A1Charge-transport polymer and organic electronic elementHITACHI CHEMICAL CO LTD·Filed 2017·Application pending·0 cites
- 3336US2022216415A1Organic electronics material and method for preparing charge-transporting polymerSHOWA DENKO MATERIALS CO LTD·Filed 2019·Application pending·0 cites
- 3435US2020044154A1Organic electronic material, ink composition, organic electronic element, and organic electronic element production methodHITACHI CHEMICAL CO LTD·Filed 2016·Application pending·0 cites
- 3533US9051246B2Compound having trimethylene structure, polymer compound containing unit that has trimethylene structure, and reactive compound having trimethylene structureFUNYUU SHIGEAKI·Filed 2011·Granted Jun 9, 2015·0 cites·8 claims
- 3633US2019181347A1Organic electronic material and organic electronic elementHITACHI CHEMICAL CO LTD·Filed 2016·Application pending·0 cites
- 3733US2020358022A1Method for producing organic thin film, organic thin film, and use thereofHITACHI CHEMICAL CO LTD·Filed 2018·Application pending·0 cites
- 3832US2020028108A1Charge transport material and use of sameHITACHI CHEMICAL CO LTD·Filed 2018·Application pending·0 cites
- 3931US2020235312A1Organic electronic material and use thereofHITACHI CHEMICAL CO LTD·Filed 2018·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Kenichi Ishitsuka 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 →