Patents by Inventor Wataru Hoshino

Wataru Hoshino 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).

  • Publication number: 20200018879
    Abstract: An object of the invention is to provide an anisotropic light absorption film having both a high alignment degree and high light resistance, and a laminate provided using the anisotropic light absorption film. An anisotropic light absorption film according to the embodiment of the invention is formed from a composition having a first dichroic azo dye, a second dichroic azo dye, and a compound represented by Formula (I) or a polymer thereof, the first dichroic azo dye has a solution absorption maximum wavelength of 400 nm or greater and less than 550 nm, the second dichroic azo dye has a solution absorption maximum wavelength of 550 nm or greater and 750 nm or less, and the film has an arrangement structure of the first dichroic azo dye or an arrangement structure of the second dichroic azo dye therein.
    Type: Application
    Filed: September 25, 2019
    Publication date: January 16, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Yumi KATOU, Shinichi MORISHIMA, Wataru HOSHINO, Jun TAKEDA, Kengo SAITO, Yuzo FUJIKI
  • Patent number: 10495791
    Abstract: The present invention provides an optical film including a light reflection layer, in which the light reflection layer is a layer in which alignment of liquid crystal molecules is immobilized, the liquid crystal molecule forms a helical structure in a film thickness direction of the light reflection layer, and a tilt angle of the liquid crystal molecule is 15° to 55°. The present invention also provides a manufacturing method of the optical film including curing a polymerizable liquid crystal composition including a liquid crystal compound and a chiral agent interposed between a support and another support. In the optical film according to the present invention, an absolute value of oblique retardation is smaller. In the liquid crystal display device including the optical film, front surface brightness is high and an oblique change in the shade is suppressed.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: December 3, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Yukito Saitoh, Hideyuki Nishikawa, Kunihiro Atsumi, Wataru Hoshino, Yoshiaki Takada
  • Publication number: 20190322937
    Abstract: An object of the invention is to provide a polymer liquid crystal compound with which a light absorption anisotropic film having a high alignment degree can be formed, a liquid crystalline composition, a light absorption anisotropic film which is formed of the liquid crystalline composition, a laminate, and an image display device. A liquid crystalline composition according to an embodiment of the invention includes a polymer liquid crystal compound which contains a repeating unit represented by Formula (1) and a dichroic substance. In Formula (1), a difference between a log P value of P1, L1, and SP1 and a log P value of M1 is 4 or greater. In Formula (1), P1 represents a main chain of the repeating unit, L1 represents a single bond or a divalent linking group, SP1 represents a spacer group, M1 represents a mesogenic group, and T1 represents a terminal group.
    Type: Application
    Filed: June 25, 2019
    Publication date: October 24, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Hiroshi MATSUYAMA, Wataru HOSHINO, Teruki NIORI, Naoya NISHIMURA
  • Publication number: 20190071571
    Abstract: A dichroic dye compound has an excellent alignment property when used in a light absorption anisotropic film, and has excellent solubility. A coloring composition contains the dichroic dye compound having a structure represented by Formula (1). In Formula (1), A and B represent a crosslinkable group, a and b are 0 or 1, and a+b is not less than 1. L1 and L2 represent a monovalent substituent, a single bond, or a divalent linking group. Each of Ar1 to Ar3 represents an aromatic hydrocarbon group or heterocyclic group. R1 to R3 represent a monovalent substituent. k represents an integer of 1 to 4. n1, n2, and n3 represent an integer of 0 to 4. In a case where k is 1, n1+n2+n3 is not less than 0, and in a case where k is not less than 2, n1+n2+n3 is not less than 1.
    Type: Application
    Filed: November 7, 2018
    Publication date: March 7, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Yoshiaki TAKADA, Wataru HOSHINO, Ryoji GOTO, Jyunko IBARAKI, Hiroshi MATSUYAMA, Masatoshi MIZUMURA
  • Publication number: 20190001619
    Abstract: An object of the invention is to provide a coloring composition which can form a light absorption anisotropic film having an excellent dichroic ratio, a dichroic dye compound, a light absorption anisotropic film, a laminate, and an image display device. A coloring composition according to the invention contains a dichroic dye compound which has a Hansen solubility parameter of 17.5 or greater and has a structure represented by Formula (1), and a liquid crystalline compound. L1-A1-N?N-A2-N?N-A3-L2??(1) in Formula (1), A1, A2, and A3 each independently represent a divalent aromatic group which may have a substituent. Any one of A1, A2, and A3 represents a divalent thienothiazole group which may have a substituent. In Formula (1), L1 and L2 each independently represent a substituent.
    Type: Application
    Filed: September 7, 2018
    Publication date: January 3, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Masatoshi MIZUMURA, Takashi KATOU, Wataru HOSHINO
  • Publication number: 20180362768
    Abstract: Provided are a coloring composition with which a light absorption anisotropic film having excellent durability can be formed, a light absorption anisotropic film, a laminate, and an image display device. A coloring composition according to the invention contains a dichroic dye compound having a structure represented by Formula (1D) and a liquid crystalline compound.
    Type: Application
    Filed: August 24, 2018
    Publication date: December 20, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Wataru HOSHINO, Masaki OTA, Masatoshi MIZUMURA, Takashi KATOU, Yoshiaki TAKADA, Yoji ITO, Daisuke KASHIWAGI, Yuya HAMAGUCHI
  • Publication number: 20180356578
    Abstract: An optical film includes a liquid crystal layer derived from a smectic phase, wherein an Nz factor of the liquid crystal layer is from 0.2 to 0.8. A display device that includes the optical film, and a method of producing an optical film is also provided.
    Type: Application
    Filed: August 21, 2018
    Publication date: December 13, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Kunihiro ATSUMI, Yukito SAITO, Shinichi MORISHIMA, Wataru HOSHINO
  • Publication number: 20180346633
    Abstract: An object of the invention is to provide a coloring composition with which a light absorption anisotropic film maintaining an excellent dichroic ratio and having good pressing resistance can be formed, and a light absorption anisotropic film, a laminate, and an image display device using the coloring composition. A coloring composition according to the invention contains: a polymer compound having a repeating unit including a crosslinkable group and a mesogenic group in the same side chain, or a polymer compound separately having a repeating unit including a crosslinkable group in a side chain and a repeating unit including a mesogenic group in a side chain; and a dichroic dye compound.
    Type: Application
    Filed: August 8, 2018
    Publication date: December 6, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Wataru HOSHINO, Yoshiaki TAKADA, Jyunko IBARAKI
  • Publication number: 20180215843
    Abstract: An optical film including: a cholesteric layer of a disk-like liquid crystal composition including a disk-like liquid crystal compound, in which the cholesteric layer exhibits a cholesteric liquid crystalline phase, and in which fluctuation of a helical pitch in a film thickness direction of the cholesteric layer is 2% or greater, and having a cholesteric liquid crystalline phase of a disk-like liquid crystal compound and a wide reflection bandwidth; a brightness enhancement film; a backlight unit with a brightness enhancement film; and a liquid crystal display device.
    Type: Application
    Filed: March 29, 2018
    Publication date: August 2, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Wataru HOSHINO, Yukito SAITOH, Kunihiro ATSUMI
  • Patent number: 10007042
    Abstract: There is provided a composition containing a discotic liquid crystal compound, a chiral agent, and a surfactant which can form a light reflecting layer formed by fixing a cholesteric liquid crystalline phase, which exhibits excellent durability under a hot and humid environment and excellent heat resistance, and has few alignment defects; a light reflecting film; a luminance-improving film; a backlight unit; and a liquid crystal display device.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: June 26, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Hiroyuki Ishikawa, Shinichi Morishima, Mitsuyoshi Ichihashi, Katsufumi Ohmuro, Akio Tamura, Wataru Hoshino
  • Patent number: 10001674
    Abstract: Provided are a brightness enhancement film including a ?/4 plate, and a reflection polarizer, in which the reflection polarizer includes at least two light reflection layers formed by immobilizing a cholesteric liquid crystalline phase, one light reflection layer of the reflection layers is a layer formed of a polymerizable liquid crystal composition containing a rod-like liquid crystal compound, and the other light reflection layer is a layer formed of a polymerizable liquid crystal composition containing a disk-like liquid crystal compound, and an optical sheet member including the brightness enhancement film, and a liquid crystal display device including the optical sheet member. The brightness enhancement film of the present invention has high brightness and is able to suppress an oblique change in the shade at the time of being incorporated in a liquid crystal display device.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: June 19, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Jun Takeda, Yuki Matsuda, Nobuyuki Akutagawa, Kotaro Yasuda, Katsufumi Ohmuro, Hideyuki Nishikawa, Akiko Watano, Yukito Saitoh, Mitsuyoshi Ichihashi, Wataru Hoshino, Hiroyuki Ishikawa
  • Patent number: 9976126
    Abstract: The present invention provides a novel enzyme and methods of using the enzyme for measuring glycine concentration. Specifically, the present invention provides an enzyme in which at least one amino acid residue is mutated so as to improve a property of a glycine oxidase which is associated with the measurement of glycine (e.g., activity of glycine oxidase for glycine, thermal stability of glycine oxidase, and substrate specificity of glycine oxidase for glycine,); and a method of analyzing glycine, that includes measuring glycine contained in a test sample using the modified enzyme; and the like.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: May 22, 2018
    Assignee: AJINOMOTO CO., INC.
    Inventors: Yuya Kodama, Wataru Hoshino, Kazutoshi Takahashi, Moemi Ito
  • Patent number: 9829615
    Abstract: The present invention provides a luminance-enhancing film including a ?/4 plate, and a reflection polarizer, including a first light reflection layer, a second light reflection layer, and a third light reflection layer from the ?/4 plate side sequentially, the light reflection layers being light reflection layers formed by fixing a cholesteric liquid crystalline phase, and including blue, green and red light reflection layers, and Rth(550) of the first light reflection layer and Rth(550) of the second light reflection layer having inverse signs; and a luminance-enhancing film including a ?/4 plate and a reflection polarizer including at least a light reflection layer formed of a rod-like cholesteric liquid crystal material and a light reflection layer formed of a disk-like cholesteric liquid crystal material. The luminance-enhancing film has high luminance and is able to suppress an oblique change in the color.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: November 28, 2017
    Assignee: FUJIFILM CORPORATION
    Inventors: Akiko Watano, Yukito Saitoh, Katsufumi Ohmuro, Mitsuyoshi Ichihashi, Hiroyuki Ishikawa, Kotaro Yasuda, Hideyuki Nishikawa, Yuki Matsuda, Wataru Hoshino
  • Publication number: 20170299785
    Abstract: The present invention provides an optical film including a light reflection layer, in which the light reflection layer is a layer in which alignment of liquid crystal molecules is immobilized, the liquid crystal molecule forms a helical structure in a film thickness direction of the light reflection layer, and a tilt angle of the liquid crystal molecule is 15° to 55°. The present invention also provides a manufacturing method of the optical film including curing a polymerizable liquid crystal composition including a liquid crystal compound and a chiral agent interposed between a support and another support. In the optical film according to the present invention, an absolute value of oblique retardation is smaller. In the liquid crystal display device including the optical film, front surface brightness is high and an oblique change in the shade is suppressed.
    Type: Application
    Filed: June 30, 2017
    Publication date: October 19, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Yukito SAITOH, Hideyuki NISHIKAWA, Kunihiro ATSUMI, Wataru HOSHINO, Yoshiaki TAKADA
  • Publication number: 20170067085
    Abstract: A yeast extract containing 0.2% or more of ?-Glu-Abu based on dry weight of the yeast extract is produced by culturing a yeast, such as Saccharomyces cervisiae or Candida utilis, in a medium containing a compound selected from Abu (L-2-aminobutyric acid) and ?-Glu-Abu (L-?-glutamyl-L-2-aminobutyric acid), and preparing a yeast extract from the obtained cells.
    Type: Application
    Filed: November 16, 2016
    Publication date: March 9, 2017
    Applicant: AJINOMOTO CO., INC.
    Inventors: Hiroaki NISHIUCHI, Misato MORITA, Wataru HOSHINO, Junko YAMAZAKI, Takayuki ITO, Kazuo YAMAGISHI
  • Publication number: 20170010398
    Abstract: There is provided a composition containing a discotic liquid crystal compound, a chiral agent, and a surfactant which can form a light reflecting layer formed by fixing a cholesteric liquid crystalline phase, which exhibits excellent durability under a hot and humid environment and excellent heat resistance, and has few alignment defects; a light reflecting film; a luminance-improving film; a backlight unit; and a liquid crystal display device.
    Type: Application
    Filed: September 15, 2016
    Publication date: January 12, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Hiroyuki ISHIKAWA, Shinichi MORISHIMA, Mitsuyoshi ICHIHASHI, Katsufumi OHMURO, Akio TAMURA, Wataru HOSHINO
  • Publication number: 20160362662
    Abstract: The present invention provides a means and method useful for measurement of a total branched-chain amino acid concentration. Specifically, the present invention provides a modified enzyme in which at least one amino acid residue is mutated so as to improve a property of a leucine dehydrogenase which is associated with the measurement of the total branched-chain amino acids, such as, for example, substrate specificities of leucine dehydrogenase for total branched-chain amino acids, activity of leucine dehydrogenase for any branched-chain amino acids, and thermal stability of leucine dehydrogenase; and a method of analyzing the total branched-chain amino acids, comprising measuring the total branched-chain amino acids contained in a test sample using the modified enzyme.
    Type: Application
    Filed: August 29, 2016
    Publication date: December 15, 2016
    Applicant: AJINOMOTO CO., INC.
    Inventors: Wataru Hoshino, Yuya Kodama, Toshimi Mizukoshi, Uno Tagami
  • Publication number: 20160342003
    Abstract: Provided are a brightness enhancement film including a ?/4 plate, and a reflection polarizer, in which the reflection polarizer includes at least two light reflection layers formed by immobilizing a cholesteric liquid crystalline phase, one light reflection layer of the reflection layers is a layer formed of a polymerizable liquid crystal composition containing a rod-like liquid crystal compound, and the other light reflection layer is a layer formed of a polymerizable liquid crystal composition containing a disk-like liquid crystal compound, and an optical sheet member including the brightness enhancement film, and a liquid crystal display device including the optical sheet member. The brightness enhancement film of the present invention has high brightness and is able to suppress an oblique change in the shade at the time of being incorporated in a liquid crystal display device.
    Type: Application
    Filed: August 8, 2016
    Publication date: November 24, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Jun TAKEDA, Yuki MATSUDA, Nobuyuki AKUTAGAWA, Kotaro YASUDA, Katsufumi OHMURO, Hideyuki NISHIKAWA, Akiko WATANO, Yukito SAITOH, Mitsuyoshi ICHIHASHI, Wataru HOSHINO, Hiroyuki ISHIKAWA
  • Patent number: 9453206
    Abstract: The present invention provides a means and method useful for measurement of a total branched-chain amino acid concentration. Specifically, the present invention provides a modified enzyme in which at least one amino acid residue is mutated so as to improve a property of a leucine dehydrogenase which is associated with the measurement of the total branched-chain amino acids, such as, for example, substrate specificities of leucine dehydrogenase for total branched-chain amino acids, activity of leucine dehydrogenase for any branched-chain amino acids, and thermal stability of leucine dehydrogenase; and a method of analyzing the total branched-chain amino acids, comprising measuring the total branched-chain amino acids contained in a test sample using the modified enzyme.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: September 27, 2016
    Assignee: AJINOMOTO CO., INC.
    Inventors: Wataru Hoshino, Yuya Kodama, Toshimi Mizukoshi, Uno Tagami
  • Publication number: 20160222359
    Abstract: The present invention provides a means and method useful for measurement of a total branched-chain amino acid concentration. Specifically, the present invention provides a modified enzyme in which at least one amino acid residue is mutated so as to improve a property of a leucine dehydrogenase which is associated with the measurement of the total branched-chain amino acids, such as, for example, substrate specificities of leucine dehydrogenase for total branched-chain amino acids, activity of leucine dehydrogenase for any branched-chain amino acids, and thermal stability of leucine dehydrogenase; and a method of analyzing the total branched-chain amino acids, comprising measuring the total branched-chain amino acids contained in a test sample using the modified enzyme.
    Type: Application
    Filed: April 20, 2016
    Publication date: August 4, 2016
    Applicant: AJINOMOTO CO., INC.
    Inventors: Wataru Hoshino, Yuya Kodama, Toshimi Mizukoshi, Uno Tagami