Inventor · disambiguated record
Kiyofumi Takeuchi
Also filed as: TAKEUCHI KIYOFUMI
44 granted patents·6 pending applications·567 citations·filing 1982–2018
98Inventor score
Files withDAINIPPON INK & CHEMICALS38KANEOYA MASAKAZU2MITSUBISHI ELECTRIC CORP2TAKEUCHI KIYOFUMI2DAINIPPON INK & CHEMICAL INC1
Top patents by PatentIndex Score
50 records- 0195US8860912B2Liquid crystal display deviceDAINIPPON INK & CHEMICALS·Filed 2013·Granted Oct 14, 2014·19 cites·16 claims
- 0293US8885124B2Liquid crystal display deviceKANEOYA MASAKAZU·Filed 2012·Granted Nov 11, 2014·19 cites·15 claims
- 0393US8252202B2Nematic liquid crystal composition and bistable nematic liquid crystal displayNAKATA HIDETOSHI·Filed 2008·Granted Aug 28, 2012·61 cites·15 claims
- 0493US5863457APolymerizable liquid crystal composition and optically anisotropic film comprising the sameDAINIPPON INK & CHEMICALS·Filed 1996·Granted Jan 26, 1999·91 cites·42 claims
- 0591US5327271ALiquid crystal device employing polymer network on one substrate and alignment layer or polymer network on other substrateDAINIPPON INK & CHEMICALS·Filed 1991·Granted Jul 5, 1994·111 cites·27 claims
- 0690US9039929B2Nematic liquid crystal compositionKANEOYA MASAKAZU·Filed 2012·Granted May 26, 2015·12 cites·22 claims
- 0789US8916718B2Compound having 2-fluorophenyloxymethane structureTOJO KENTA·Filed 2012·Granted Dec 23, 2014·9 cites·11 claims
- 0885US9181484B2Compound having 2-fluorophenyloxymethane structureDAINIPPON INK & CHEMICALS·Filed 2013·Granted Nov 10, 2015·6 cites·10 claims
- 0983US9442321B2Liquid crystal display deviceDAINIPPON INK & CHEMICALS·Filed 2013·Granted Sep 13, 2016·5 cites·14 claims
- 1083US4431853ADicyclohexylethane derivativesDAINIPPON INK & CHEMICALS·Filed 1982·Granted Feb 14, 1984·17 cites·6 claims
- 1182US8405799B2Polymer-stabilized liquid crystal composition, liquid crystal display device, method for producing liquid crystal display deviceFUJISAWA TORU·Filed 2008·Granted Mar 26, 2013·11 cites·19 claims
- 1281US9404037B2Liquid crystal display device and useful liquid crystal compositionTAKEUCHI KIYOFUMI·Filed 2011·Granted Aug 2, 2016·4 cites·24 claims
- 1381US5296952ADouble-layer liquid crystal device having a three dimensional network structureDAINIPPON INK & CHEMICALS·Filed 1993·Granted Mar 22, 1994·59 cites·20 claims
- 1480US9321961B2Nematic liquid crystal compositionDAINIPPON INK & CHEMICALS·Filed 2013·Granted Apr 26, 2016·4 cites·14 claims
- 1578US11826865B2Machine tool machining dimensions prediction device, machine tool equipment abnormality determination device, machine tool machining dimensions prediction system, and machine tool machining dimensions prediction methodMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Nov 28, 2023·2 cites·12 claims
- 1678US9389462B2Liquid crystal display device and useful liquid crystal compositionTAKEUCHI KIYOFUMI·Filed 2011·Granted Jul 12, 2016·4 cites·33 claims
- 1778US7067179B1Fused ring compoundDAINIPPON INK & CHEMICALS·Filed 1999·Granted Jun 27, 2006·23 cites·15 claims
- 1877US9587175B2Nematic liquid crystal compositionDAINIPPON INK & CHEMICALS·Filed 2013·Granted Mar 7, 2017·3 cites·22 claims
- 1976US7871540B2Polymerizable liquid crystal compositionDAINIPPON INK & CHEMICALS·Filed 2007·Granted Jan 18, 2011·5 cites·13 claims
- 2072US9487700B2Liquid crystal display deviceDAINIPPON INK & CHEMICALS·Filed 2013·Granted Nov 8, 2016·2 cites·14 claims
- 2170US6287646B1Fluorine-substituted-4-alkenylbenzoic acid and derivatives thereof, and nematic liquid crystal composition containing cyanophenyl benzoate derivatives and liquid crystal display system using the sameDAINIPPON INK & CHEMICALS·Filed 1998·Granted Sep 11, 2001·9 cites·16 claims
- 2269US6582626B2Polymerizable compound, polymerizable liquid crystal composition containing the same, and optically anisotropic medium made from the compositionDAINIPPON INK & CHEMICALS·Filed 2001·Granted Jun 24, 2003·10 cites·4 claims
- 2367US9605208B2Nematic liquid crystal compositionDAINIPPON INK & CHEMICALS·Filed 2013·Granted Mar 28, 2017·1 cites·20 claims
- 2465US6010642AAzine derivative, process for the preparation thereof, nematic liquid crystal composition and liquid crystal display system comprising sameDAINIPPON INK & CHEMICALS·Filed 1997·Granted Jan 4, 2000·24 cites·20 claims
- 2560US6693223B1Fluorine-substituted-4-alkenylbenzoic acid and derivatives thereof, and nematic liquid crystal composition containing cyanophenyl benzoate derivatives and liquid crystal display system using the sameDAINIPPON INK & CHEMICALS·Filed 2003·Granted Feb 17, 2004·5 cites·3 claims
- 2657US7198827B1Nematic liquid crystal composition and liquid crystal display device using the sameDAINIPPON INK & CHEMICALS·Filed 1999·Granted Apr 3, 2007·16 cites·19 claims
- 2755US7232592B2Nematic liquid crystal composition containing indane compoundDAINIPPON INK & CHEMICALS·Filed 2003·Granted Jun 19, 2007·1 cites·20 claims
- 2855US5166448AIntermediate for preparing fluorine-substituted compound containing ether bondDAINIPPON INK & CHEMICALS·Filed 1991·Granted Nov 24, 1992·4 cites·3 claims
- 2954US6607791B1Liquid crystal compositionDAINIPPON INK & CHEMICALS·Filed 2000·Granted Aug 19, 2003·1 cites·18 claims
- 3052US5208386AFluorine-substituted compound containing ether bondDAINIPPON INK & CHEMICALS·Filed 1991·Granted May 4, 1993·4 cites·5 claims
- 3150US10544365B2Nematic liquid crystal compositionDAINIPPON INK & CHEMICALS·Filed 2014·Granted Jan 28, 2020·0 cites·29 claims
- 3250US9575363B2Method for improving optical response and liquid crystal display device using sameUNIV TOKYO SCIENCE FOUND·Filed 2014·Granted Feb 21, 2017·0 cites·13 claims
- 3348US8361343B2Nematic liquid crystal composition and bistable nematic liqud crystal displayDAINIPPON INK & CHEMICALS·Filed 2008·Granted Jan 29, 2013·0 cites·10 claims
- 3448US7112290B2Liquid crystal composition and liquid crystal display elementDAINIPPON INK & CHEMICALS·Filed 2003·Granted Sep 26, 2006·1 cites·19 claims
- 3547US2015284634A1Nematic liquid crystal compositionDAINIPPON INK & CHEMICALS·Filed 2013·Application pending·0 cites
- 3647US2015322343A1Nematic liquid crystal compositionDAINIPPON INK & CHEMICALS·Filed 2013·Application pending·0 cites
- 3746US2015159086A1Nematic liquid crystal compositionDAINIPPON INK & CHEMICALS·Filed 2013·Application pending·0 cites
- 3845US7718232B2Nematic liquid crystal composition and liquid crystal display element that used the compositionDAINIPPON INK & CHEMICAL INC·Filed 2003·Granted May 18, 2010·2 cites·21 claims
- 3945US5178794AAlkylene glycol derivative and liquid crystal mixture containing the sameDAINIPPON INK & CHEMICALS·Filed 1990·Granted Jan 12, 1993·7 cites·9 claims
- 4045US5068462AFluorine-substituted compound containing ether bond and intermediate thereofDAINIPPON INK & CHEMICALS·Filed 1990·Granted Nov 26, 1991·2 cites·5 claims
- 4142US5374371ALiquid crystal deviceKAWAMURA INST CHEM RES·Filed 1993·Granted Dec 20, 1994·9 cites·38 claims
- 4242US2002053659A1Fluorine-substituted-4-alkenylbenzoic acid and derivatives thereof, and nematic liquid crystal composition containing cyanophenyl benzoate derivatives and liquid crystal display system using the sameDAINIPPON INK & CHEMICALS·Filed 2001·Application pending·0 cites
- 4341US2018079959A1Liquid crystal element with negative dielectric anisotropyDAINIPPON INK & CHEMICALS·Filed 2016·Application pending·0 cites
- 4440US7108896B2Method of increasing helical twisting power, optically active compound, liquid crystal compostion containing the same, and liquid crystal display deviceDAINIPPON INK & CHEMICALS·Filed 2003·Granted Sep 19, 2006·0 cites·22 claims
- 4539US5315024ACyano-substituted compound containing ether bondDAINIPPON INK & CHEMICALS·Filed 1993·Granted May 24, 1994·1 cites·10 claims
- 4635US2018041375A1Communication device, communication method, and computer readable mediumMITSUBISHI ELECTRIC CORP·Filed 2015·Application pending·0 cites
- 4734US5171472APhenylcyclohexyldioxane derivatives having an ether bond for electro-optical displaysDAINIPPON INK & CHEMICALS·Filed 1991·Granted Dec 15, 1992·2 cites·4 claims
- 4832US5152920APhenylbicyclohexanol ester derivativeDAINIPPON INK & CHEMICALS·Filed 1989·Granted Oct 6, 1992·1 cites·12 claims
- 4930US5266235APhenylbicyclohexanol ester derivativeDAINIPPON INK & CHEMICALS·Filed 1992·Granted Nov 30, 1993·0 cites·4 claims
- 5030US4964616ATricyclic cyclohexenyl cyclohexane derivativeDAINIPPON INK & CHEMICALS·Filed 1989·Granted Oct 23, 1990·0 cites·12 claims
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