Patents by Inventor Noriyuki Hida
Noriyuki Hida 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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Patent number: 11613702Abstract: A liquid crystal composition is provided containing a first liquid crystal compound represented by formula (1): and a second liquid crystal compound represented by formula (2): Also provided is a method for producing the liquid crystal composition having a desired wavelength dispersion characteristic.Type: GrantFiled: May 28, 2019Date of Patent: March 28, 2023Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Noriyuki Hida, Haruki Okawa
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Patent number: 10961456Abstract: A compound having a maximum absorption in a wavelength range of 350 nm to 550 nm that functions as a dichroic dye is provided. In particular, a compound represented by formula (1) is provided. In the compound represented by formula (1), R1 represents a hydrogen atom or the like; R2 represents an acyl group having 1 to 20 carbon atoms or the like; R3 represents a hydrogen atom or the like; and Y represents a group of formula (Y1). In the group of formula (Y1), * represents a bonding site with N, or a group of formula (Y2); and in the group of formula (Y2), * represents a bonding site with N; P1 and P2 each independently represent —S— or the like; and Q1 and Q2 each independently represent ?N— or the like.Type: GrantFiled: October 14, 2015Date of Patent: March 30, 2021Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Noriyuki Hida, Haruki Okawa
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Patent number: 10858590Abstract: A compound capable of suppressing the occurrence of alignment defects and lowering the phase transition temperature of a liquid crystal composition without impairing optical characteristics is provided. In particular, a compound represented by formula (A) is provided in which the variable groups are as defined in the specification.Type: GrantFiled: October 30, 2017Date of Patent: December 8, 2020Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Shinnosuke Yoshioka, Noriyuki Hida, Katsuaki Miyazaki, Daichi Fujimoto
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Patent number: 10818843Abstract: A polymer compound comprising a constitutional unit represented by the following formula (1) and a constitutional unit represented by the following formula (X) and/or a constitutional unit represented by the following formula (Y), wherein the content of the hydroxyl groups contained in the polymer compound is less than 0.02 mol %: Ar1??(1) [wherein, Ar1 represents an arylene group and this group optionally has a substituent.] [wherein, aX1 and aX2 each independently represent an integer of 0 or more. ArX1 and ArX3 each independently represent an arylene group or a divalent heterocyclic group and these groups each optionally have a substituent. ArX2 and ArX4 each independently represent an arylene group, a divalent heterocyclic group or a divalent group in which at least one arylene group and at least one divalent heterocyclic group are bonded directly to each other, and these groups each optionally have a substituent.Type: GrantFiled: August 29, 2014Date of Patent: October 27, 2020Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Hidenobu Kakimoto, Nozomi Masui, Tomoya Nakatani, Noriyuki Hida, Yasutaka Yatsumonji
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Patent number: 10731078Abstract: A composition is provided which contains a compound represented by Formula (1) below and a polymerizable smectic liquid crystal compound: In Formula (1), R1 represents a hydrogen atom or a C1-C20 alkyl group; R2 through R4 each independently represent a C1-C4 alkyl group; n, p, and q are each independently an integer of 0 to 2; and R5 is (i) a nitrogen-containing saturated heterocyclic group which is a 6-membered ring and in which N is bonded to a phenylene group, or (ii) a group in which N is bonded to at least one C1-C10 alkyl group.Type: GrantFiled: February 17, 2016Date of Patent: August 4, 2020Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Noriyuki Hida, Haruki Okawa
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Patent number: 10683456Abstract: Provided is a composition which can be used for formation of an optical film having high quality and a high dichroic ratio even after the composition is stored for a predetermined period of time. The composition includes a compound represented by the general formula (A) and a compound represented by the general formula (B), wherein R1a in the general formula (A) and R1b in the general formula (B) are mutually different groups.Type: GrantFiled: April 24, 2017Date of Patent: June 16, 2020Assignee: Sumitomo Chemical Company, LimitedInventors: Masao Morimoto, Noriyuki Hida
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Patent number: 10514484Abstract: A compound having a maximum absorption in a wavelength range of 350 nm to 550 nm that functions as a dichroic dye is provided. In particular, a compound represented by formula (1) is provided. In the compound of formula (1), R1 represents a hydrogen atom or the like; R2 represents a hydrogen atom or the like; R3 represents a hydrogen atom or the like; Z represents —CO— or the like; and Y represents a group of formula (Y1). In the group of formula (Y1), * represents a bonding site with N, or a group of formula (Y2); and in the group of formula (Y2), * represents a bonding site with N; P1 and P2 each independently represent —S— or the like; and Q1 and Q2 each independently represent ?N— or the like.Type: GrantFiled: October 14, 2015Date of Patent: December 24, 2019Assignee: Sumitomo Chemical Company, LimitedInventors: Noriyuki Hida, Haruki Okawa
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Patent number: 10513612Abstract: A compound serving as a dichroic pigment which has a maximum absorption wavelength in a range of 350 nm to 510 nm is represented by the following Formula (1): In Formula (1), R1 represents a hydrogen atom or a C1-C20 alkyl group; R2 through R4 are substituents which are not hydrogen atoms and each independently represent a C1-C4 alkyl group; m, p, and q are each independently an integer of 0 to 2; and R5 is (i) a C1-C10 alkyl group in which a hydrogen atom is substituted by at least one hydroxy group or (ii) a C1-C10 alkyl group which has carbon atoms and in which at least one —O— is inserted between the carbon atoms.Type: GrantFiled: February 17, 2016Date of Patent: December 24, 2019Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Noriyuki Hida, Haruki Okawa
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Patent number: 10501480Abstract: Provided is an optical film which has a maximum absorption at a wavelength in the range of 600 to 680 nm, has a high dichroic ratio, and is excellent in light resistance. The optical film includes: a polymer of a polymerizable liquid crystal compound; and a compound represented by the following general formula (1).Type: GrantFiled: April 24, 2017Date of Patent: December 10, 2019Assignee: Sumitomo Chemical Company, LimitedInventors: Masao Morimoto, Noriyuki Hida
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Publication number: 20190276744Abstract: A liquid crystal composition is provided containing a first liquid crystal compound represented by formula (1): and a second liquid crystal compound represented by formula (2): Also provided is a method for producing the liquid crystal composition having a desired wavelength dispersion characteristic.Type: ApplicationFiled: May 28, 2019Publication date: September 12, 2019Inventors: Noriyuki HIDA, Haruki OKAWA
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Patent number: 10407619Abstract: A liquid crystal composition which prevents production of an alignment defect of a liquid crystal compound and also has excellent storage stability during dissolution in a solvent is provided. The liquid crystal composition is suitable for constituting a retardation film capable of favorable circular polarization conversion. The liquid crystal composition includes a polymerizable liquid crystal compound having 3 or more ring structures in the main chain, and aluminum. A content of the aluminum is 1 ppm or more and 170 ppm or less relative to the polymerizable liquid crystal compound.Type: GrantFiled: May 18, 2017Date of Patent: September 10, 2019Assignee: Sumitomo Chemical Company, LimitedInventors: Daichi Fujimoto, Noriyuki Hida, Tatsuaki Kasai
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Patent number: 10160734Abstract: A compound having a maximum absorption in a wavelength range of 350 nm to 550 nm that functions as a dichroic dye is provided. In particular, a compound represented by formula (1) is provided. In the compound of formula (1), R1 represents an alkyl group having 1 to 20 carbon atoms or the like; R2 represents an acyl group having 1 to 20 carbon atoms or the like; R3 represents a hydrogen atom or the like; and Y represents a group of formula (Y1). In the formula (Y1), * represents a bonding site with N, or a group of formula (Y2). In the formula (Y2), * represents a bonding site with N; P1 and P2 each independently represent —S— or the like; and Q1 and Q2 each independently represent ?N— or the like.Type: GrantFiled: October 14, 2015Date of Patent: December 25, 2018Assignee: Sumitomo Chemical Company, LimitedInventors: Noriyuki Hida, Haruki Okawa
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Patent number: 10023743Abstract: A compound serving as a dichroic pigment which has a maximum absorption wavelength in a range of 350 nm to 510 nm is represented by the following Formula (1): In Formula (1), R1 represents a hydrogen atom or a C1-C20 alkyl group; R2 through R4 are substituents which are not hydrogen atoms and each independently represent a C1-C4 alkyl group; n, m, and p are each independently an integer of 0 to 2; and Ar1 represents a nitrogen-containing saturated heterocyclic group which is a 5 to 8-membered ring and in which (i) N is bonded to a phenylene group and (ii) at least one ?-position is an oxygen atom or a sulfur atom.Type: GrantFiled: February 17, 2016Date of Patent: July 17, 2018Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Noriyuki Hida, Haruki Okawa
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Patent number: 10005960Abstract: Provided is a composition which is to be a raw material of a polarizing film having excellent light fastness. The composition includes a polymerizable liquid crystal compound and a compound represented by the following formula (1): wherein E represents an electron attractive group having at least 3 carbon atoms or the following group: wherein R represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms; Ar represents a group selected from the following groups: and A represents a group selected from the following groups: wherein R2, R3 and R4, and l, m, n, p, and q are defined in the specification.Type: GrantFiled: October 27, 2016Date of Patent: June 26, 2018Assignee: Sumitomo Chemical Company, LimitedInventors: Noriyuki Hida, Haruki Okawa
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Patent number: 9982087Abstract: A method is provided for producing a compound, including a step of mixing a compound (1) having one or two leaving groups, a compound (2) having one or two boron atom-containing leaving groups, an organic base (P), and at least one selected from a phase transfer catalyst and an organic base (Q) larger in the number of carbon atoms than the above-mentioned organic base in the presence of a transition metal catalyst. The method thereby performs a coupling reaction between the above-mentioned compound (1) and the above-mentioned compound (2).Type: GrantFiled: July 31, 2014Date of Patent: May 29, 2018Assignee: Sumitomo Chemical Company, LimitedInventors: Ken Kashima, Noriyuki Hida
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Publication number: 20180119015Abstract: A compound capable of suppressing the occurrence of alignment defects and lowering the phase transition temperature of a liquid crystal composition without impairing optical characteristics is provided. In particular, a compound represented by formula (A) is provided in which the variable groups are as defined in the specification.Type: ApplicationFiled: October 30, 2017Publication date: May 3, 2018Inventors: Shinnosuke YOSHIOKA, Noriyuki HIDA, Katsuaki MIYAZAKI, Daichi FUJIMOTO
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Publication number: 20180120624Abstract: A compound capable of suppressing the occurrence of alignment defects and lowering the phase transition temperature of a liquid crystal composition without impairing optical characteristics is provided. In particular, a compound represented by formula (A) is provided in which the variable groups are as defined in the specification.Type: ApplicationFiled: October 25, 2017Publication date: May 3, 2018Inventors: Shinnosuke YOSHIOKA, Noriyuki HIDA, Katsuaki MIYAZAKI, Daichi FUJIMOTO
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Publication number: 20180072890Abstract: A compound serving as a dichroic pigment which has a maximum absorption wavelength in a range of 350 nm to 510 nm is represented by the following Formula (1): In Formula (1), R1 represents a hydrogen atom or a C1-C20 alkyl group; R2 through R4 are substituents which are not hydrogen atoms and each independently represent a C1-C4 alkyl group; m, p, and q are each independently an integer of 0 to 2; and R5 is (i) a C1-C10 alkyl group in which a hydrogen atom is substituted by at least one hydroxy group or (ii) a C1-C10 alkyl group which has carbon atoms and in which at least one —O— is inserted between the carbon atoms.Type: ApplicationFiled: February 17, 2016Publication date: March 15, 2018Inventors: Noriyuki HIDA, Haruki OKAWA
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Publication number: 20180037739Abstract: A compound serving as a dichroic pigment which has a maximum absorption wavelength in a range of 350 nm to 510 nm is represented by the following Formula (1): In Formula (1), R1 represents a hydrogen atom or a C1-C20 alkyl group; R2 through R4 are substituents which are not hydrogen atoms and each independently represent a C1-C4 alkyl group; n, m, and p are each independently an integer of 0 to 2; and Ar1 represents a nitrogen-containing saturated heterocyclic group which is a 5 to 8-membered ring and in which (i) N is bonded to a phenylene group and (ii) at least one ?-position is an oxygen atom or a sulfur atom.Type: ApplicationFiled: February 17, 2016Publication date: February 8, 2018Inventors: Noriyuki HIDA, Haruki OKAWA
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Publication number: 20180030354Abstract: A composition is provided which contains a compound represented by Formula (1) below and a polymerizable smectic liquid crystal compound: In Formula (1), R1 represents a hydrogen atom or a C1-C20 alkyl group; R2 through R4 each independently represent a C1-C4 alkyl group; n, p, and q are each independently an integer of 0 to 2; and R5 is (i) a nitrogen-containing saturated heterocyclic group which is a 6-membered ring and in which N is bonded to a phenylene group, or (ii) a group in which N is bonded to at least one C1-C10 alkyl group.Type: ApplicationFiled: February 17, 2016Publication date: February 1, 2018Inventors: Noriyuki HIDA, Haruki OKAWA