Patents by Inventor AKIHIRO TAKATA
AKIHIRO TAKATA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230353471Abstract: A master device transmits a first control signal including TS0(S) to a slave device and transmits a first data signal including TS0(M) to the master, the slave sets a point in time in the slave to T0(S) in time when the first control signal is received and transmits a second data signal including TS1(S) to the master, the master receives the second data signal and subtract TS1(S) from TS2(S) to calculate a round-trip delay time RTTs, and receives the first data signal and subtract TS0(M) from TS1(M) to calculate a round-trip delay time RTTm, the master transmits a data signal to the slave at a point in time that is obtained by TA?RTTm, and the slave puts the slave in a data receivable state at a point in time that is obtained by TA?RTTs.Type: ApplicationFiled: February 28, 2023Publication date: November 2, 2023Applicant: MegaChips CorporationInventor: Akihiro TAKATA
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Publication number: 20200032143Abstract: A liquid crystalline compound, a liquid crystal composition, and a liquid crystal display element are provided. The liquid crystalline compound satisfying at least one physical property among high stability against heat and light, high transparency, low minimum temperature of the liquid crystal phase, low viscosity, proper optical anisotropy, negatively large dielectric anisotropy, proper elastic constant, good compatibility with other liquid crystalline compounds at room temperature and low temperature. The liquid crystalline compound represented by formula (1).Type: ApplicationFiled: February 16, 2018Publication date: January 30, 2020Applicants: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventor: Akihiro TAKATA
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Patent number: 10533136Abstract: The disclosure provides a liquid crystalline compound that has at least one of physical properties such as high stability with respect to heat and light, a high clearing point (or a high upper limit temperature), a low lower limit temperature of a liquid crystal phase, a low viscosity, suitable optical anisotropy, large negative dielectric anisotropy, a suitable elastic constant, favorable compatibility with other liquid crystalline compounds at room temperature and low temperatures, a liquid crystal composition including the compound, and a liquid crystal display element including the composition. The compound is represented by Formula (1). Here, R1 is an alkyl group having 2 to 10 carbon atoms in which one —CH2CH2— is substituted with —CH?CH—; R2 is an alkyl group having 1 to 8 carbon atoms; ring A1 is 1,4-cyclohexylene; Y1 and Y2 are hydrogen or fluorine; Z1 is a single bond; and n1 is 1 or 2.Type: GrantFiled: September 10, 2018Date of Patent: January 14, 2020Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventors: Akihiro Takata, Atsushi Sakamoto
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Publication number: 20200002613Abstract: A compound represented by Formula (1): R1 is hydrogen or an alkyl group that may be substituted; rings A1 to A2 are cyclohexylene or phenylene that may be substituted; a is 0 to 4; Z1 is a single bond or an alkylene group that may be substituted; Sp1 to Sp3 are a single bond or an alkylene that may be substituted; M1 to M4 are H, F, Cl, or an alkyl group that may be substituted; R2 and R3 are hydrogen, a group represented by Formula (1-a), or an alkyl group having 1 to 5 carbon atoms that may be substituted; and at least one of R2 and R3 is a group represented by Formula (1-a); Sp4 is a single bond or an alkylene group that may be substituted; R4 and R5 are hydrogen or an alkyl group; and at least one of R4 and R5 is an alkyl group.Type: ApplicationFiled: December 11, 2018Publication date: January 2, 2020Applicants: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventors: Akihiro TAKATA, Hiroyuki TANAKA
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Publication number: 20190359888Abstract: Liquid crystal compound satisfying at least one of physical properties such as high stability to heat or light, high maximum temperature, high clearing point, low minimum temperature of liquid crystal phase, small viscosity, suitable optical-anisotropy, large negative dielectric-anisotropy, suitable elastic constant and good compatibility with other liquid crystal compounds; liquid crystal composition containing the compound; and liquid crystal display device including the composition. Compound represented by formula (1), wherein R1 is alkyl having 1 to 15 carbons; R2 is alkyl having branched-chain and 3 to 15 carbons; A1, A2 are independently 1,2-cyclopropylene; Z1, Z2 are independently single bond or alkylene having 1 to 15 carbons; L1, L2 are fluorine, chlorine, —OCF3 or —OCH2F; X1, X2 are oxygen or sulfur; and a is 0 or 1, b is 0 or 1, and sum of a and b is 0, 1 or 2.Type: ApplicationFiled: May 22, 2019Publication date: November 28, 2019Applicants: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventors: Yasuyuki GOTOH, Kazuo OKUMURA, Akihiro TAKATA, Takahiro KOBAYASHI, Michiko SAWADA
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Patent number: 10358602Abstract: Provided are a liquid crystal compound having larger dielectric anisotropy and superb heating reliability in comparison with a similar compound, a liquid crystal composition containing the compound and a liquid crystal display device including the composition. A compound is represented by formula (1). In formula (1), for example, R1 is alkyl having 1 to 15 carbons, ring A1 is 1,4-cyclohexylene, 1,4-cyclohexenylene, 1,4-phenylene, 1,4-phenylene in which at least one hydrogen is replaced by halogen or tetrahydropyran-2,5-diyl; Z1 is a single bond or —CF2O—; L1 and L2 are hydrogen or halogen; Y1 and Y2 are hydrogen or halogen; and a is an integer from 1 to 4.Type: GrantFiled: July 14, 2017Date of Patent: July 23, 2019Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventor: Akihiro Takata
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Publication number: 20190078020Abstract: The disclosure provides a liquid crystalline compound that has at least one of physical properties such as high stability with respect to heat and light, a high clearing point (or a high upper limit temperature), a low lower limit temperature of a liquid crystal phase, a low viscosity, suitable optical anisotropy, large negative dielectric anisotropy, a suitable elastic constant, favorable compatibility with other liquid crystalline compounds at room temperature and low temperatures, a liquid crystal composition including the compound, and a liquid crystal display element including the composition. The compound is represented by Formula (1). Here, R1 is an alkyl group having 2 to 10 carbon atoms in which one —CH2CH2— is substituted with —CH?CH—; R2 is an alkyl group having 1 to 8 carbon atoms; ring A1 is 1,4-cyclohexylene; Y1 and Y2 are hydrogen or fluorine; Z1 is a single bond; and n1 is 1 or 2.Type: ApplicationFiled: September 10, 2018Publication date: March 14, 2019Applicants: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventors: Akihiro TAKATA, Atsushi SAKAMOTO
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Patent number: 9994770Abstract: Provided is a liquid crystal compound satisfying at least one of physical properties such as high stability to heat and light, a high clearing point (or high maximum temperature), low minimum temperature of a liquid crystal phase, small viscosity, suitable optical anisotropy, large dielectric anisotropy, a suitable elastic constant and excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound and a liquid crystal display device including the composition. A compound, represented by formula (1): wherein, in formula (1), R1 is alkoxy having 1 to 9 carbons or the like; R2 is alkenyl having 2 to 10 carbons; Z1 and Z2 are independently a single bond, —CH2CH2—, —CH?CH— or the like; and a and b are independently 0 or 1.Type: GrantFiled: March 8, 2017Date of Patent: June 12, 2018Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventors: Hiroyuki Tanaka, Akihiro Takata
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Patent number: 9951277Abstract: To show a liquid crystal compound satisfying at least one of physical properties such as a high stability to heat, light or the like, a high clearing point, a low minimum temperature of a liquid crystal phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a suitable elastic constant and an excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound and a liquid crystal display device including the composition. A compound represented by formula (1): wherein, in formula (1), for example, R1 is alkyl having 1 to 15 carbons; ring A1 and ring A2 are 1,4-cyclohexylene, 1,4-cyclohexenylene, 1,4-phenylene, 1,4-phenylene in which at least one piece of hydrogen is replaced by halogen, tetrahydropyran-2,5-diyl or 1,3-dioxane-2,5-diyl; Z1 and Z2 are a single bond or —CF2O—; L1, L2 and L3 are halogen or hydrogen; and a is 0 to 3.Type: GrantFiled: February 19, 2015Date of Patent: April 24, 2018Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventors: Akihiro Takata, Takahiro Kubo
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Patent number: 9943569Abstract: The present invention relates to methods for preventing or reducing the incidence of postoperative pulmonary complications in surgical patients after an esophagectomy. The inventors discovered that the occurrence of postoperative pulmonary complications after an esophagectomy may be reduced through the perioperative administration of ghrelin to surgical patients.Type: GrantFiled: July 6, 2016Date of Patent: April 17, 2018Assignee: OSAKA UNIVERSITYInventors: Yuichiro Doki, Shuji Takiguchi, Akihiro Takata, Yasuhiro Miyazaki
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Publication number: 20180030351Abstract: Provided are a liquid crystal compound having larger dielectric anisotropy and superb heating reliability in comparison with a similar compound, a liquid crystal composition containing the compound and a liquid crystal display device including the composition. A compound is represented by formula (1). In formula (1), for example, R1 is alkyl having 1 to 15 carbons, ring A1 is 1,4-cyclohexylene, 1,4-cyclohexenylene, 1,4-phenylene, 1,4-phenylene in which at least one hydrogen is replaced by halogen or tetrahydropyran-2,5-diyl; Z1 is a single bond or —CF2O—; L1 and L2 are hydrogen or halogen; Y1 and Y2 are hydrogen or halogen; and a is an integer from 1 to 4.Type: ApplicationFiled: July 14, 2017Publication date: February 1, 2018Applicants: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventor: Akihiro TAKATA
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Publication number: 20180030347Abstract: Provided are a liquid crystal compound satisfying at least one of physical properties such as high stability heat and light, a high clearing point (or high maximum temperature), low minimum temperature of the liquid crystal phase, small viscosity, suitable optical anisotropy, large dielectric anisotropy, large dielectric constant in a minor axis direction, a suitable elastic constant and excellent compatiblity with other liquid crystal compounds; a liquid crystal composition containing the liquid crystal compound; and a liquid crystal display device including the composition. The compound is represented by formula (1). In formula (1), for example R1 is alkyl having 1 to 12 carbons; ring A1 is 1,4-cyclohexylene; ring B1 is 1,4-phenylene; Z1, Z2 and 73 are a single bond; L1, L2, L3, L4, L5, L6, L7, L8 and L9 are hydrogen or halogen; X1 is fluorine; a is 1 to 3; and n1 and n2 are independently 0 or 1.Type: ApplicationFiled: July 21, 2017Publication date: February 1, 2018Applicants: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventor: Akihiro TAKATA
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Publication number: 20170260453Abstract: Provided is a liquid crystal compound satisfying at least one of physical properties such as high stability to heat and light, a high clearing point (or high maximum temperature), low minimum temperature of a liquid crystal phase, small viscosity, suitable optical anisotropy, large dielectric anisotropy, a suitable elastic constant and excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound and a liquid crystal display device including the composition. A compound, represented by formula (1): wherein, in formula (1), R1 is alkoxy having 1 to 9 carbons or the like; R2 is alkenyl having 2 to 10 carbons; Z1 and Z2 are independently a single bond, —CH2CH2—, —CH?CH— or the like; and a and b are independently 0 or 1.Type: ApplicationFiled: March 8, 2017Publication date: September 14, 2017Applicants: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventors: Hiroyuki TANAKA, Akihiro TAKATA
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Patent number: 9701904Abstract: A liquid crystal composition contains an achiral component T and a chiral dopant and exhibiting an optically isotropic liquid crystal phase. The achiral component T contains at least one compound represented by formula (1). In formula (1), R1 is alkyl having 1 to 12 carbons, alkenyl having 2 to 12 carbons, or alkoxy having 1 to 11 carbons, ring A1 and ring A2 independently represent one of the following formulae: Z1, Z2 and Z3 are independently a single bond, —(CH2)2—, —COO—, —CF2O— or —CH?CH—, X1 is hydrogen, halogen, —CF3, —OCF3 or —C?N, L1, L2, L3 and L4 are independently hydrogen or halogen, and i is 0, 1 or 2.Type: GrantFiled: December 28, 2015Date of Patent: July 11, 2017Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventors: Hiroki Ookawa, Akihiro Takata, Koki Sago
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Publication number: 20170007674Abstract: The present invention relates to methods for preventing or reducing the incidence of postoperative pulmonary complications in surgical patients after an esophagectomy. The inventors discovered that the occurrence of postoperative pulmonary complications after an esophagectomy may be reduced through the perioperative administration of ghrelin to surgical patients.Type: ApplicationFiled: July 6, 2016Publication date: January 12, 2017Applicant: OSAKA UNIVERSITYInventors: Yuichiro DOKI, Shuji TAKIGUCHI, Akihiro TAKATA, Yasuhiro MIYAZAKI
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Publication number: 20160362605Abstract: To show a liquid crystal compound satisfying at least one of physical properties such as a high stability to heat, light or the like, a high clearing point, a low minimum temperature of a liquid crystal phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a suitable elastic constant and an excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound and a liquid crystal display device including the composition. A compound represented by formula (1): wherein, in formula (1), for example, R1 is alkyl having 1 to 15 carbons; ring A1 and ring A2 are 1,4-cyclohexylene, 1,4-cyclohexenylene, 1,4-phenylene, 1,4-phenylene in which at least one piece of hydrogen is replaced by halogen, tetrahydropyran-2,5-diyl or 1,3-dioxane-2,5-diyl; Z1 and Z2 are a single bond or —CF2O—; L1, L2 and L3 are halogen or hydrogen; and a is 0 to 3.Type: ApplicationFiled: February 19, 2015Publication date: December 15, 2016Applicants: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventors: Akihiro TAKATA, Takahiro KUBO
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Publication number: 20160186060Abstract: A liquid crystal composition is described, containing an achiral component T and a chiral dopant and exhibiting an optically isotropic liquid crystal phase. The achiral component T contains at least one compound represented by formula (1). In formula (1), for example, R1 is alkyl having 1 to 12 carbons, alkenyl having 2 to 12 carbons, or alkoxy having 1 to 11 carbons, ring A1 and ring A2 independently represent fluorinated 1,4-phenylene or unsubstituted 1,4-phenylene, Z1, Z2 and Z3 are independently a single bond, —(CH2)2—, —COO—, —CF2O— or —CH?CH—, X1 is hydrogen, halogen, —CF3, —OCF3 or —C?N, L1, L2, L3 and L4 are independently hydrogen or halogen, and i is 0 or 1.Type: ApplicationFiled: December 28, 2015Publication date: June 30, 2016Applicants: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventors: HIROKI OOKAWA, AKIHIRO TAKATA, KOKI SAGO