Patents by Inventor Teizi Satou

Teizi Satou 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).

  • Patent number: 11312804
    Abstract: A polymerizable compound represented by formula (1). In formula (1), one of eight hydrogen atoms is substituted by a (meth)acryloyloxy group, and the rest seven hydrogen atoms are independently non-substituted or substituted by a saturated hydrocarbon group having 1 to 10 carbons.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: April 26, 2022
    Assignee: JNC CORPORATION
    Inventors: Koichi Shibata, Teizi Satou, Daisuke Inoki, Hideki Hayashi
  • Patent number: 11021433
    Abstract: A (meth)acrylate compound excellent in compatibility with other photosensitive resins and capable of providing a polymer with high transparency, a polymer, a resist material, and a method for producing the (meth)acrylate compound. The (meth)acrylate compound is represented by formula (1).
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: June 1, 2021
    Assignee: JNC CORPORATION
    Inventors: Daisuke Inoki, Teizi Satou, Hideki Hayashi
  • Publication number: 20210009546
    Abstract: A polymerizable compound represented by formula (1). In formula (1), one of eight hydrogen atoms is substituted by a (meth)acryloyloxy group, and the rest seven hydrogen atoms are independently non-substituted or substituted by a saturated hydrocarbon group having 1 to 10 carbons.
    Type: Application
    Filed: February 13, 2019
    Publication date: January 14, 2021
    Applicant: JNC CORPORATION
    Inventors: Koichi SHIBATA, Teizi SATOU, Daisuke INOKI, Hideki HAYASHI
  • Publication number: 20200239775
    Abstract: A means is a compound represented by formula (1) , a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. In formula (1), R1 and R2 are independently alkyl having 1 to 15 carbons or the like; ring A1, ring A2 and ring A3 are independently 1,4-cyclohexylene, 1,4-phenylene or the like; and Z1, Z2 and Z3 are independently a single bond or the like.
    Type: Application
    Filed: December 19, 2016
    Publication date: July 30, 2020
    Applicants: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Ayako MORI, Keiji KIMURA, Teizi SATOU
  • Publication number: 20200223782
    Abstract: A (meth)acrylate compound excellent in compatibility with other photosensitive resins and capable of providing a polymer with high transparency, a polymer, a resist material, and a method for producing the (meth)acrylate compound. The (meth)acrylate compound is represented by formula (1).
    Type: Application
    Filed: December 18, 2019
    Publication date: July 16, 2020
    Applicant: JNC CORPORATION
    Inventors: DAISUKE INOKI, TEIZI SATOU, HIDEKI HAYASHI
  • Patent number: 10584284
    Abstract: A compound represented by formula (1), a liquid crystal composition to which the compound is added, and a liquid crystal display device containing the composition. In formula (1), R1 is hydrogen or alkyl having 1 to 20 carbons, or the like; R2 and R3 are independently methyl, ethyl, isopropyl, or t-butyl; ring A is 1,4-cyclohexylene, 1,4-phenylene or the like; Z is a single bond or alkylene having 1 to 6 carbons, or the like; and m is 0, 1, or 2.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: March 10, 2020
    Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Yasuyuki Gotoh, Teizi Satou
  • Patent number: 9790427
    Abstract: A liquid crystal compound is provided that satisfies at least one physical property, such as high stability to heat and light, a high clearing point (or high maximum temperature), a low minimum temperature of a liquid crystal phase, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, a suitable elastic constant and good compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. The liquid crystal compound is represented by formula (1): in which, Ra and Rb are alkyl having 1 to 10 carbons; ring A1, ring A2 and ring A3 are 1,4-cyclohexylene, 1,4-phenylene; and ring N1 is 2,3-difluoro-1,4-phenylene; G is a divalent group represented by formula (pr-1) or (pr-2); in which, Z1, Z2, Z3 and Z4 are a single bond; and a, b and c are 0, 1 or 2.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: October 17, 2017
    Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Teizi Satou, Sakura Tachinami
  • Publication number: 20160230094
    Abstract: A problem is to provide a liquid crystal compound satisfying at least one physical property, such as high stability to heat and light, a high clearing point (or high maximum temperature), a low minimum temperature of a liquid crystal phase, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, a suitable elastic constant and good compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. A means is a compound represented by formula (1): in which, Ra and Rb are alkyl having 1 to 10 carbons; ring A1, ring A2 and ring A3 are 1,4-cyclohexylene, 1,4-phenylene; and ring N1 is 2,3-difluoro-1,4-phenylene; G is a divalent group represented by formula (pr-1) or (pr-2); in which, Z1, Z2, Z3 and Z4 are a single bond; and a, b and c are 0, 1 or 2, for example.
    Type: Application
    Filed: February 4, 2016
    Publication date: August 11, 2016
    Applicants: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Teizi SATOU, Sakura TACHINAMI
  • Publication number: 20160130501
    Abstract: [Subject] One object of the invention is a compound useful as an antioxidant. Other objects include a liquid crystal composition having high stability to ultraviolet light and heat, and a device that hardly undergoes a decrease in voltage holding ratio even after a long-time use. [Solution] The invention relates to a compound represented by formula (1), a liquid crystal composition to which the compound is added, and a liquid crystal display device containing the composition. In formula (1), R1 is hydrogen or alkyl having 1 to 20 carbons, or the like; R2 and R3 are independently methyl, ethyl, isopropyl, or t-butyl; ring A is 1,4-cyclohexylene, 1,4-phenylene or the like; Z is a single bond or alkylene having 1 to 6 carbons, or the like; and m is 0, 1, or 2.
    Type: Application
    Filed: November 6, 2015
    Publication date: May 12, 2016
    Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATION
    Inventors: YASUYUKI GOTOH, TEIZI SATOU
  • Patent number: 9315603
    Abstract: An object is to provide a polymerizable compound having high polymerization reactivity, a high conversion ratio and high solubility in a liquid crystal composition, a polymerizable composition containing the compound, a liquid crystal composite prepared from the composition, and a liquid crystal display device having the composite. A solution is a polymerizable compound represented by formula (1). In the formula, for example, P1 and P2 are —OCO—(CH3)C?CH2; S1 and S2 are a single bond; ring A1, ring A2 and ring A3 are 1,4-phenylene; Z1, Z2 and Z3 are a single bond; two of G is —CH? or —N?; and a is 0 or 1.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: April 19, 2016
    Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Yasuyuki Gotoh, Teizi Satou
  • Patent number: 9045684
    Abstract: To provide a liquid crystal composition satisfying at least one characteristic such as high maximum temperature of nematic phase, low minimum temperature thereof, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy and specific resistance, high stability to ultraviolet light and heat; a liquid crystal composition having a suitable balance regarding at least two thereof; and an AM device including the composition.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: June 2, 2015
    Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Yasuyuki Gotoh, Teizi Satou, Maiko Matsukuma, Chikahide Kanadani, Yoshimasa Furusato
  • Publication number: 20150034871
    Abstract: An object is to provide a polymerizable compound having high polymerization reactivity, a high conversion ratio and high solubility in a liquid crystal composition, a polymerizable composition containing the compound, a liquid crystal composite prepared from the composition, and a liquid crystal display device having the composite. A solution is a polymerizable compound represented by formula (1). In the formula, for example, P1 and P2 are —OCO—(CH3)C?CH2; S1 and S2 are a single bond; ring A1, ring A2 and ring A3 are 1,4-phenylene; Z1, Z2 and Z3 are a single bond; two of G is —CH? or —N?; and a is 0 or 1.
    Type: Application
    Filed: July 31, 2014
    Publication date: February 5, 2015
    Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATION
    Inventors: Yasuyuki GOTOH, Teizi SATOU
  • Patent number: 8765011
    Abstract: To provide a liquid crystal compound having general physical properties required for the compound, namely, a high stability to heat, light and so forth, a small viscosity, a refractive index anisotropy value having a suitable magnitude, a dielectric constant anisotropy value having a suitable magnitude and steep electro-optical characteristics, a wide temperature range of a nematic phase, and an excellent compatibility with other liquid crystal compounds, in particular, a liquid crystal compound having a wide temperature range of the nematic phase; the compound is represented by formula (1): wherein R is alkenyl having 2 to 20 carbons; ring A1 and ring A2 are independently 1,4-cyclohexylene, or 1,4-phenylene in which at least one of hydrogen may be replaced by fluorine; Z1 and Z2 are independently a single bond, —CH2CH2—, —CH?CH—, —CH2O— or —OCH2—; and n is 0 or 1.
    Type: Grant
    Filed: May 10, 2012
    Date of Patent: July 1, 2014
    Assignees: JNC Corporation, JNC Petrochemical Corporation
    Inventors: Teizi Satou, Yasuyuki Goto
  • Publication number: 20140027671
    Abstract: To provide a liquid crystal composition satisfying at least one characteristic such as high maximum temperature of nematic phase, low minimum temperature thereof, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy and specific resistance, high stability to ultraviolet light and heat; a liquid crystal composition having a suitable balance regarding at least two thereof; and an AM device including the composition.
    Type: Application
    Filed: July 19, 2013
    Publication date: January 30, 2014
    Inventors: YASUYUKI GOTOH, TEIZI SATOU, MAIKO MATSUKUMA, CHIKAHIDE KANADANI, YOSHIMASA FURUSATO
  • Publication number: 20120286199
    Abstract: To provide a liquid crystal compound having general physical properties required for the compound, namely, a high stability to heat, light and so forth, a small viscosity, a refractive index anisotropy value having a suitable magnitude, a dielectric constant anisotropy value having a suitable magnitude and steep electro-optical characteristics, a wide temperature range of a nematic phase, and an excellent compatibility with other liquid crystal compounds, in particular, a liquid crystal compound having a wide temperature range of the nematic phase; the compound is represented by formula (1): wherein R is alkenyl having 2 to 20 carbons; ring A1 and ring A2 are independently 1,4-cyclohexylene, or 1,4-phenylene in which at least one of hydrogen may be replaced by fluorine; Z1 and Z2 are independently a single bond, —CH2CH2—, —CH?CH—, —CH2O— or —OCH2—; and n is 0 or 1.
    Type: Application
    Filed: May 10, 2012
    Publication date: November 15, 2012
    Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATION
    Inventors: Teizi SATOU, Yasuyuki GOTO
  • Patent number: 7749403
    Abstract: A liquid crystal compound is provided that has stability to heat and an ultraviolet ray, a small viscosity, a suitable refractive index anisotropy, a suitable dielectric anisotropy, a nematic phase within a wide temperature range and favorable compatibility with other liquid crystal compounds, and a liquid crystal composition is also provided that has a particularly small viscosity. The liquid crystal compound is a compound represented by formula (1): wherein in formula (1), R1 is hydrogen or alkyl having 1 to 5 carbons; one of X1 and X2 is hydrogen, and the other thereof is fluorine; and R2 is hydrogen or methyl.
    Type: Grant
    Filed: December 26, 2006
    Date of Patent: July 6, 2010
    Assignees: Chisso Corporation, Chisso Petrochemical Corporation
    Inventors: Teizi Satou, Tomoyuki Kondou, Norikatsu Hattori, Hiroaki Fujita
  • Publication number: 20090206300
    Abstract: A liquid crystal compound is provided that has stability to heat and an ultraviolet ray, a small viscosity, a suitable refractive index anisotropy, a suitable dielectric anisotropy, a nematic phase within a wide temperature range and favorable compatibility with other liquid crystal compounds, and a liquid crystal composition is also provided that has a particularly small viscosity. The liquid crystal compound is a compound represented by formula (1): wherein in formula (1), R1 is hydrogen or alkyl having 1 to 5 carbons; one of X1 and X2 is hydrogen, and the other thereof is fluorine; and R2 is hydrogen or methyl.
    Type: Application
    Filed: December 26, 2006
    Publication date: August 20, 2009
    Inventors: Teizi Satou, Tomoyuki Kondou, Norikatsu Hattori, Hiroaki Fujita