Patents Assigned to Nippon Kayaku Kabushiki-Kaisha
  • Patent number: 10829503
    Abstract: A dibenzopyrromethene boron chelate compound is represented by the following formula (1): in which X1 to X6 in the above formula (1) are each independently of one another a sulfur atom, a carbon atom having a hydrogen atom, or a carbon atom having a substituent R0, and the substituent R0 represents an alkyl group, an alkoxy group, an alkylthio group, an aromatic group, a halogen atom, a hydroxyl group, a mercapto group, a nitro group, a substituted amino group, an unsubstituted amino group, a cyano group, a sulfo group, an acyl group, a sulfamoyl group, an alkylsulfamoyl group, a carbamoyl group, or an alkylcarbamoyl group; and adjacent groups of X1 to X6 may be connected to each other to form a ring structure. The compound has an absorption band in a near-infrared light region, and a B—O chelate structure due to a thiophene ring.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: November 10, 2020
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Toshifumi Inouchi, Tatsuya Aotake, Hidenori Yakushiji, Masahiro Abe, Shoji Shinamura, Yuichi Sadamitsu
  • Publication number: 20200347458
    Abstract: The object of the present invention is to provide a method for determining the sensitivity of a subject to an SGLT2 inhibitor, and a sensitivity marker for the SGLT2 inhibitor. The present invention provides a method for determining the sensitivity of a subject to an SGLT2 inhibitor, comprising measuring a biomarker in the biological sample of a subject, and determining the sensitivity of the subject to the SGLT2 inhibitor using the measured biomarker value as an indicator.
    Type: Application
    Filed: February 24, 2020
    Publication date: November 5, 2020
    Applicants: NIHON UNIVERSITY, OSAKI CITY, NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Tadateru TAKAYAMA, Masahiro USUI, Keiko KUDO
  • Patent number: 10825995
    Abstract: The present invention provides a material for photoelectric conversion elements for use in imaging elements which comprises a compound represented by the following formula (1). The material for photoelectric conversion elements for use in imaging elements, which comprises a compound represented by the following formula (1), is used to produce a photoelectric conversion element which is excellent in terms of hole- or electron-leakage prevention, thermal resistance to processing temperatures, transparency to visible light, etc. In formula (1), R1 and R2 each independently represent a substituted or unsubstituted aromatic group.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: November 3, 2020
    Assignee: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Hidenori Yakushiji, Kazuki Niimi, Ryoutarou Morita, Tatsuya Yamamoto, Toshifumi Inouchi, Masahiro Hamada
  • Publication number: 20200339278
    Abstract: An aerial vehicle safety apparatus includes an expandable object and an ejection apparatus. The ejection apparatus includes a container that accommodates the expandable object and has an opening provided on one end side, a moving member provided in the container, the moving member including an emission base carrying the expandable object on a side of the opening, the moving member being movable along an inner wall of the container, and a driver that ejects the expandable object by moving the moving member toward the opening. A space located opposite to the opening when viewed from the emission base and surrounded by the container and the moving member communicates with a space located outside the space through a communication portion.
    Type: Application
    Filed: June 19, 2018
    Publication date: October 29, 2020
    Applicant: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Hiroshi NAKAMURA, Yasuhiko YAGIHASHI, Koichi SASAMOTO, Takahiro OOI
  • Patent number: 10814016
    Abstract: Provided are a block copolymer having an enhanced effect of imaging the interior of a tumor compared to known block copolymers and imaging probes using the known block copolymers; and an imaging probe using the block copolymer.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: October 27, 2020
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Keiichirou Yamamoto, Yuki Kawano
  • Patent number: 10816709
    Abstract: A light reflection film includes at least one light reflection layer RPRL in which a cholesteric liquid crystal phase of a right-handed helical structure having right circularly polarized light reflection ability is fixed; and at least one light reflection layer LPRL in which a cholesteric liquid crystal phase of a left-handed helical structure having left circularly polarized light reflection ability is fixed. A total of three or more layers of the light reflection layer(s) RPRL and the light reflection layer(s) LPRL are laminated. The light reflection layer(s) RPRL and the light reflection layer(s) LPRL laminated each have a selective reflection center wavelength shifted by an interval of 10 nm or more and 160 nm or less between two light reflection layers adjacent to each other.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: October 27, 2020
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Tomoyuki Hayasaki, Hitoshi Asami, Yoshiyuki Yahagi, Kouichi Tanaka
  • Patent number: 10782612
    Abstract: Disclosed are a polysulfone amide compound having a repeating unit represented by formula (1) (in formula (1), R1-R8 each independently represent a hydrogen atom or a monovalent organic group, X represents a divalent linking group which is not conjugated with a benzene ring to be linked thereto, and Y represents a divalent aromatic residue), and a resin composition comprising the polysulfone amide compound.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: September 22, 2020
    Assignee: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Takanori Koizumi, Maki Kumagai
  • Patent number: 10780724
    Abstract: To provide a heat-sensitive recording material which produces images with excellent resistance to water, while producing background with resistance to heat. A heat-sensitive recording material which is characterized by containing at least one compound represented by general formula (1) as a color-developing compound: wherein, R1-R5 each independently represents a hydrogen atom, a halogen atom, a nitro group, an amino group, an alkyl group, an alkoxy group, an aryloxy group, an alkylcarbonyloxy group, an arylcarbonyloxy group, an alkylcarbonylamino group, an arylcarbonylamino group, an alkylsulfonylamino group, an arylsulfonylamino group, a monoalkylamino group, a dialkylamino group or an arylamino group.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: September 22, 2020
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Kyohei Miyanaga, Takaaki Kurata
  • Patent number: 10759377
    Abstract: A gas generator includes a housing containing an accommodation space, a gas generating agent, an igniter, and a sealing tape. The housing includes a cylindrical circumferential wall portion including plural gas discharge openings and the plural gas discharge openings are closed by the sealing tape. The plural gas discharge openings include gas discharge openings set to be different from one another in opening pressure so as to be opened stepwise with increase in pressure in the accommodation space as a result of burning of the gas generating agent. A condition of T?1.8 [mm] and SA?60 [mm2] is satisfied where T represents a thickness of a portion of the housing and SA represents a total opening area of the plurality of gas discharge openings. At least one of the plural gas discharge openings is in a shape of an elongated hole.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: September 1, 2020
    Assignee: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Satoshi Ohsugi, Shinya Ueda, Haruki Takizawa
  • Publication number: 20200270474
    Abstract: A dispersion composition that has good storage stability, achieves high density of a colorant when used as ink, has good redispersibility after drying, and preserves the physical properties of ink when stored for a long period of time is provided. The dispersion composition comprises: (A) a dye and/or a pigment; (B) a styrene-(meth)acrylic copolymer; and (C) a compound represented by the following formula (1): where t represents 1 to 5, wherein a content of (C) the compound represented by the formula (1) is more than 0.18 mass %, and a sum total of a sodium ion concentration, a potassium ion concentration, and a lithium ion concentration in the ink dispersion composition is 6800 ppm or less.
    Type: Application
    Filed: August 31, 2018
    Publication date: August 27, 2020
    Applicant: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Shunta MISAWA, Hiroko HIGUCHI, Shinsuke SHIMIZU, Keijyou SASAKI, Junya MASEKI, Ryutarou ITO
  • Patent number: 10749116
    Abstract: A compound is represented by the formula, R1 to R8 are each a hydrogen atom, aliphatic hydrocarbon group, aromatic group, heterocyclic group, a halogen atom, or the like. One of X1 to X3 is a sulfur atom, and the remaining two are carbon atoms having one R0. One of X4 to X6 is a sulfur atom, and the other two are carbon atoms having one R0. R0 is a hydrogen atom, aliphatic hydrocarbon group, aromatic group, heterocyclic group, a halogen atom, or the like. When X1 and X2 are each R0C, X2 and X3 are each R0C, X4 and X5 are each R0C, or X5 and X6 are each R0C, the adjacent R0s may be bounded to each other to form a cyclic structure.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: August 18, 2020
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Tatsuya Aotake, Shoji Shinamura, Kentaro Maeda, Yuta Hashimoto, Yuichi Sadamitsu
  • Patent number: 10730474
    Abstract: A gas generator includes a plurality of gas discharge openings arranged in a circumferential wall portion along a circumferential direction as not overlapping with each other. The plurality of gas discharge openings consist of one group or two or more groups of first gas discharge openings, one group or two or more groups of second discharge openings, and one group or two or more groups of third gas discharge openings. The gas discharge openings included in each of the groups of first to third gas discharge openings are set to be opened at an identical opening pressure. The second gas discharge openings are higher in opening pressure than the first gas discharge openings and lower in opening pressure than the third gas discharge openings. The gas discharge openings included in each group of gas discharge openings are evenly arranged in rotation symmetry at an angle not greater than 120°.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: August 4, 2020
    Assignee: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Haruki Takizawa, Shinya Ueda, Satoshi Ohsugi
  • Publication number: 20200216181
    Abstract: An aerial vehicle safety apparatus includes an expandable object, an ejection apparatus, a bag-shaped member, and a gas generator. The expandable object is wound or folded in a non-expanded state and generates at least any of lift and buoyancy in an expanded state. The ejection apparatus is coupled to the expandable object by a coupling member and ejects the non-expanded expandable object into air. The bag-shaped member is provided in the expandable object and wound or folded together with or separately from the non-expanded expandable object, and expands the non-expanded expandable object by at least partially being inflated like a tube. The gas generator is provided in the expandable object and inflates the bag-shaped member by causing gas generated at the time of activation to flow into the bag-shaped member.
    Type: Application
    Filed: June 19, 2018
    Publication date: July 9, 2020
    Applicant: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Yasuhiko YAGIHASHI, Hiroshi NAKAMURA, Koichi SASAMOTO, Dairi KUBO, Takahiro OOI
  • Publication number: 20200198791
    Abstract: An aerial vehicle includes an airframe, a canopy capable of adjusting a speed of falling during falling, a brake cord having one end connected to the canopy, a wind-up apparatus provided in the airframe and being capable of winding up the other end of the brake cord, a sensor unit that detects a distance to an external object, and a controller that controls an operation of the wind-up apparatus based on a result of detection by the sensor unit. The wind-up apparatus includes a gas generator as a drive source. The controller has the wind-up apparatus operate to wind up the other end of the brake cord by activating the gas generator when the distance detected by the sensor unit is equal to or smaller than a prescribed value.
    Type: Application
    Filed: June 19, 2018
    Publication date: June 25, 2020
    Applicant: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Hiroshi NAKAMURA, Yasuhiko YAGIHASHI, Koichi SASAMOTO
  • Publication number: 20200180548
    Abstract: A gas generator includes a housing constructed by combining and joining a plurality of shell members. One of the plurality of shell members includes a cylindrical portion and a flange portion. The cylindrical portion is provided with a plurality of gas discharge openings including gas discharge openings different in opening area from one another. The flange portion is shaped such that a distance from an axial line of the cylindrical portion to an outer edge of the flange portion is non-uniform. When a perpendicular line is drawn to the axial line from a maximum outer geometry position in the outer edge of the flange portion most distant from the axial line, a gas discharge opening arranged closest to the perpendicular line is a gas discharge opening other than a gas discharge opening largest in opening area among the plurality of gas discharge openings.
    Type: Application
    Filed: March 13, 2018
    Publication date: June 11, 2020
    Applicant: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Shinya UEDA, Satoshi OHSUGI, Hiroaki KOYAMA, Haruki TAKIZAWA
  • Patent number: 10676061
    Abstract: A gas generator includes a cylindrical housing including a top plate portion and a bottom plate portion, an igniter including an ignition portion charged with an ignition agent, and a fixing portion which is formed from a resin molding and fixes the igniter to the bottom plate portion. The fixing portion includes an annular wall portion surrounding an outer circumferential surface of the ignition portion. The annular wall portion has a lower cover portion provided as being continuous in a circumferential direction on a side of the bottom plate portion so as to cover the outer circumferential surface of the ignition portion as being secured to the outer circumferential surface of the ignition portion and an upper enclosing portion provided on a side of the top plate portion at a distance from the outer circumferential surface of the ignition portion.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: June 9, 2020
    Assignee: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Yusuke Tanaka, Hiroaki Koyama, Motohiro Kanaji, Shinya Hasegawa
  • Publication number: 20200139925
    Abstract: A gas generator includes an igniter, a cup-shaped member, and a fixing member. The cup-shaped member accommodating an enhancer agent bursts or melts at the time of activation. The fixing member fixing a filter does not burst and melt even at the time of activation. Ra and Ha satisfy a condition of Ra/Ha 1.00 where Ra represents an inner diameter of a sidewall portion of the cup-shaped member and Ha represents a distance between a top wall portion of the cup-shaped member and the igniter. The sidewall portion includes a first region surrounded by a partition wall portion of the fixing member and a second region not surrounded by the partition wall portion. The partition wall portion has an end portion arranged closer to a top plate portion than the igniter. A gas generating agent is arranged to face the top wall portion, the second region, and the partition wall portion.
    Type: Application
    Filed: March 13, 2018
    Publication date: May 7, 2020
    Applicant: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Hiroaki KOYAMA, Shinya UEDA, Satoshi OHSUGI, Makoto TSURUTA, Motohiro KANAJI, Hirota ka MUKUNOKI
  • Patent number: 10640665
    Abstract: A pigment ink composition that exhibits good ejectability, particularly after standing in an open environment, and an inkjet textile printing method and a dyeing method using the ink composition. The ink composition for inkjet textile printing includes a pigment, water, a polymeric dispersant, a urethane resin, a water-soluble organic solvent, and a nonionic surfactant.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: May 5, 2020
    Assignee: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Motohiro Seki, Hiroko Higuchi
  • Publication number: 20200115049
    Abstract: An aerial vehicle includes a lift generation member provided in an airframe in an expandable manner, a manipulation mechanism connected to the lift generation member and configured to manipulate the lift generation member, an expansion apparatus configured to expand the lift generation member, a control unit configured to control the manipulation mechanism, and a falling sensing unit configured to sense falling of the airframe. The expansion apparatus is configured to expand the lift generation member based on a falling sensing signal and the control unit is configured to start control of the manipulation mechanism based on the falling sensing signal.
    Type: Application
    Filed: April 10, 2018
    Publication date: April 16, 2020
    Applicant: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Hiroshi NAKAMURA, Yasuhiko YAGIHASHI, Dairi KUBO
  • Patent number: 10596191
    Abstract: A DDS preparation of a platinum complex, which selectively releases a highly active platinum complex in cells that are under reducing conditions, and exhibits high antitumor activity that is required from a medicine, is still not available, and there is a demand for a novel DDS preparation of a platinum complex that may be used in clinical fields. There is provided a polymer conjugate of a hexa-coordinated platinum complex, the polymer conjugate comprising a block copolymer having a polyethylene glycol structural moiety and a polyaspartic acid moiety or a polyglutamic acid moiety; and a hexa-coordinated platinum complex having a halogen atom and a hydroxyl group at the axial positions, the hexa-coordinated platinum complex being bonded, directly or via a spacer, to a side-chain carboxyl group of the block copolymer.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: March 24, 2020
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Masaharu Nakamura, Tsuyoshi Fukuda, Yusaku Kikuchi, Chihiro Watanabe