Patents by Inventor Nobutaka Fukagawa

Nobutaka Fukagawa 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: 20220109128
    Abstract: There are provided a wavelength selective absorption filter including a resin, and four types of dyes A to D each having a main absorption wavelength range in different specific wavelength regions, in which an absorbance Ab (?) of the wavelength selective absorption filter at a wavelength ? nm satisfies specific Relational Expressions (I) to (VI), and an organic electroluminescent display device.
    Type: Application
    Filed: December 13, 2021
    Publication date: April 7, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Nobutaka FUKAGAWA, Hirofumi TOYAMA, Daisuke SASAKI, Yoshihiro JIMBO
  • Publication number: 20210026199
    Abstract: Provided is a colorant filter including at least one colorant; and at least one binder, in which the colorant filter has an absorption spectrum having an absorption maximum in a wavelength region of 560 nm to 620 nm, and in the absorption spectrum, a difference D1 between two wavelengths which give 10% absorbance with respect to an absorbance at the absorption maximum and a difference D2 between two wavelengths which give 50% absorbance with respect to the absorbance at the absorption maximum satisfy Expressions (a) D1?90 nm and (b) D1/D2?4.0.
    Type: Application
    Filed: October 6, 2020
    Publication date: January 28, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Nobutaka FUKAGAWA, Yu NAITO, Daisuke SASAKI
  • Publication number: 20210005673
    Abstract: There are provided a color correction filter for a white organic electroluminescent light source including a resin and 0.1 part by mass or more of a coloring agent having an absorption maximum wavelength in a range of 560 to 620 nm or 460 to 520 nm with respect to 100 parts by mass of the resin, and having a moisture content of 0.5% by mass or less, and an organic EL display device having this filter.
    Type: Application
    Filed: September 18, 2020
    Publication date: January 7, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Yu NAITO, Nobutaka FUKAGAWA, Daisuke SASAKI, Hiroki KUWAHARA
  • Patent number: 10871597
    Abstract: Provided are a polarizing plate including a polarizer and a polarizing plate protective film laminated on the polarizer, in which the polarizing plate protective film contains at least one compound represented by any one of General Formulas (1) to (3) and cellulose acylate; an image display device using the polarizing plate; and a polarizing plate protective film used for the polarizing plate, and R7—N?C?N—R8??General Formula (3) in which R1 to R8 represent a specific substituent.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: December 22, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Naoki Sano, Nobutaka Fukagawa, Akio Tamura
  • Publication number: 20200385558
    Abstract: Provided are a resin composition including a compound represented by Formula (1) and a resin, an optical filter including the resin composition, a liquid crystal display device and a solid-state imaging element including the optical filter, and a compound suitable as a light absorbing component of the resin composition. In Formula (1), Dye represents a colorant structural part obtained by removing n1 hydrogen atoms from a squarylium compound having a specific structure, Q1 is a structural part including a metallocene structure, and n1 represents an integer of 1 to 6.
    Type: Application
    Filed: August 25, 2020
    Publication date: December 10, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Daisuke SASAKI, Hidetomo FURUYAMA, Akihiro HARA, Hiroki KUWAHARA, Yu NAITO, Nobutaka FUKAGAWA
  • Publication number: 20200369890
    Abstract: Provided are a resin composition including a compound represented by Formula (1) and a resin, a film and a filter including the resin composition, a liquid crystal display device and a solid-state imaging element including the filter, and a compound suitable as a light absorbing component of the resin composition and the filter. In Formula (1), Dye represents a colorant structural part obtained by removing n1 hydrogen atoms from a squarylium compound having a specific structure. Q1 is a structural part in which energy levels of a highest occupied molecular orbital and a lowest unoccupied molecular orbital satisfy a specific condition. L1 represents a divalent linking group and n1 represents an integer of 1 to 4.
    Type: Application
    Filed: August 13, 2020
    Publication date: November 26, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Daisuke SASAKI, Akihiro HARA, Kunihiko KODAMA, Nobutaka FUKAGAWA, Yu NAITO, Hiroki KUWAHARA
  • Publication number: 20200354629
    Abstract: Provided are a color conversion composition which contains at least one kind of compound represented by a specific general formula, a compound which is used in the color conversion composition and represented by a specific general formula, and a light emitting device which has a color conversion portion consisting of the color conversion composition and a light source.
    Type: Application
    Filed: July 23, 2020
    Publication date: November 12, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Kazuhei KANEKO, Yoshinori KANAZAWA, Nobutaka FUKAGAWA
  • Publication number: 20200217993
    Abstract: Provided are a polarizing plate protective film including a resin and a coloring agent having an absorption maximum wavelength in a range of 560 to 620 nm or 460 to 520 nm in an amount of 0.1 parts by mass or more with respect to 100 parts by mass of the resin, in which a film thickness is 1 to 18 ?m, and a moisture content is 0.5% by mass or less, a polarizing plate in which the protective film is used, and a liquid crystal display device in which the polarizing plate is used.
    Type: Application
    Filed: March 18, 2020
    Publication date: July 9, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Nobutaka FUKAGAWA, Yu NAITO, Hiroki KUWAHARA, Daisuke SASAKI, Hidetomo FURUYAMA, Natsuru CHIKUSHI
  • Patent number: 10564338
    Abstract: A polarizing plate, which includes at least a polarizer layer including an iodine-dyed polyvinyl alcohol film, and the polarizing plate including a compound with a bond dissociation energy E1 of less than or equal to 90.0 kcal/mol, a peroxide radical forming energy E2 of less than or equal to 0.0 kcal/mol, and a polyiodide ion I5? forming ability in an iodide compound-containing solution of less than or equal to 1.0.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: February 18, 2020
    Assignee: FUJIFILM CORPORATION
    Inventors: Shino Ohira, Mayumi Nojiri, Naoya Shimoju, Aiko Yoshida, Nobutaka Fukagawa
  • Patent number: 10457792
    Abstract: A polarizing plate protective film which prevents deterioration of polarization performance in a high temperature, high humidity environment, and a polarizing plate and display device using the film including a compound represented by the following General Formula (I). (X-LnZ??General Formula (I) X represents a formyl group, a boronic acid group, or a group represented by the following General Formula (I-B) or a group represented by the following General Formula (I-C), where L represents a single bond or divalent linking group, and n represents an integer equal to or greater than 2. When n is 2, Z represents a single bond or a divalent group, and when n?3, Z represents an n-valent group. RA and RB represent an alkyl group, a cycloalkyl group, an aryl group, or an acyl group. RA and RB may be bonded to each other to form a ring. * represents a bond to be bonded to L.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: October 29, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Nobutaka Fukagawa, Naoki Sano, Mayumi Nojiri, Aiko Yoshida, Naoya Shimoju
  • Publication number: 20190235316
    Abstract: Provided are a polarizing plate having a polarizing plate protective film having a thickness of 20 ?m or more disposed on both sides or either side of a polarizer through an adhesive layer, in which at least one of the polarizer, the polarizing plate protective film, or the adhesive layer contains one or more dyes having a main absorption wavelength range of 480 to 510 nm or 580 to 610 nm and a liquid crystal display device having this polarizing plate disposed downstream in a light emitting direction of light that is emitted from a backlight unit.
    Type: Application
    Filed: April 3, 2019
    Publication date: August 1, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Daisuke SASAKI, Nobutaka FUKAGAWA, Naoyoshi YAMADA, Mayumi NOJIRI
  • Patent number: 10338277
    Abstract: A polarizing plate protective film containing a compound represented by formula (I); a polarizing plate; and a display: in formula (I), X represents a group of formula (I-A-1) or (I-A-2), L represents a single bond or a divalent linking group, Z represents an n-valent linking group, and n represents an integer of 2 or more; however, when n is 2, the case where L and Z each are simultaneously a single bond is excluded: in formulae (I-A-1) and (I-A-2), RAC1 and RAC2 each independently represent an alkyl, cycloalkyl, aryl, or acyl group; however, the case where RAC1 and RAC2 bond to each other to form a ring is excluded; RAC3 to RAC6 each independently represent a hydrogen atom, or an alkyl, cycloalkyl, aryl, acyl, alkoxy, or alkoxycarbonyl group; and an asterisk (*) represents a bonding hand to form a bonding with L.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: July 2, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Aiko Yoshida, Naoya Shimoju, Naoki Sano, Nobutaka Fukagawa
  • Patent number: 10338290
    Abstract: A cellulose ester film contains a compound having a structural unit denoted by —NR—(C?O)— in which R represents a hydrogen atom or a substituent, a surface having knoop hardness of greater than or equal to 210 N/mm2 is provided, and loss tangent tan ? at 25° C. is greater than or equal to 0.03.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: July 2, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Yasukazu Kuwayama, Hiroshi Inada, Aiko Yoshida, Yoshitaka Maeda, Yusuke Ino, Shuuji Kanayama, Nobutaka Fukagawa
  • Patent number: 10253201
    Abstract: A composition for a polarizing plate containing a polymer having a partial structure represented by the following ring structure ? or ? in the molecule, a polarizing plate protective film, a cellulose acylate film, a polarizer, a polarizing plate, and a display; wherein L1 represents a single bond, —C(?O)—, —C(?S)—, an alkylene group, or an arylene group; and the symbol * designates a boning hand, or a site to which a hydrogen atom, a substituent, or a linking group binds.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: April 9, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Aiko Yoshida, Naoya Shimoju, Mayumi Nojiri, Nobutaka Fukagawa
  • Publication number: 20180329117
    Abstract: Provided are a polarizing plate including a polarizer and a polarizing plate protective film laminated on the polarizer, in which the polarizing plate protective film contains at least one compound represented by any one of General Formulas (1) to (3) and cellulose acylate; an image display device using the polarizing plate; and a polarizing plate protective film used for the polarizing plate, and R7—N?C?N—R8??General Formula (3) in which R1 to R8 represent a specific substituent.
    Type: Application
    Filed: July 18, 2018
    Publication date: November 15, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Naoki SANO, Nobutaka FUKAGAWA, Akio TAMURA
  • Patent number: 10113040
    Abstract: The polymer film comprises a carbonyl bond-containing polymer and a compound having ?h of equal to or higher than 11.0 and ?? of equal to or lower than 1.50, wherein the ?h is a value of hydrogen-bonding capacity calculated by Hoy method and the ?? is a value calculated by equation 1: ??=|x?13.3|??Equation 1 wherein, in equation 1, ? represents an interatomic distance in the polymer film between atoms most distant from each other among molecules in the compound, excluding a hydrogen atom, calculated by molecular dynamics calculation.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: October 30, 2018
    Assignee: FUJIFILM CORPORATION
    Inventors: Yasukazu Kuwayama, Nobutaka Fukagawa, Hiroshi Inada, Masaki Noro, Yoshitaka Maeda, Naozumi Shiraiwa, Yu Naito
  • Patent number: 10114160
    Abstract: A polarizing plate has at least a polarizer layer including a polyvinyl alcohol film dyed with iodine and includes a compound exhibiting a polyiodide ion I5? forming ability in an iodide compound-containing solution.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: October 30, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Mayumi Nojiri, Yu Naito, Nobutaka Fukagawa, Naoya Shimoju, Hiroyuki Ishikawa
  • Patent number: 10040754
    Abstract: A cellulose acylate film, which includes a compound denoted by general formula (I) below, the equivalent U of which, calculated as a value obtained by dividing the molecular weight of the compound by the number of divalent linking groups denoted by —O—C(?O)—NH— contained per molecule, is less than or equal to 515, wherein, in general formula (I), each of L11 and L21 independently denotes an optionally substituted alkylene group; each of L12 and L22 independently denotes a single bond, any one of or any combination of —O—, —NR1—, —S— and —C(?O)—; R1 denotes a hydrogen atom or a substituent; each of n1 and n2 independently denotes an integer of 0 to 20, with at least either n1 or n2 being an integer of greater than or equal to 1.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: August 7, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Hiroshi Inada, Naozumi Shiraiwa, Yingjie Xu, Aiko Yoshida, Masaki Noro, Yasukazu Kuwayama, Nobutaka Fukagawa
  • Patent number: 10031264
    Abstract: A polarizing plate of the present invention includes polarizing plate protective film(s) on one or both sides of a polarizer, wherein the polarizing plate protective film contains a compound represented by general formula (I) or (II) described below, the polarizer contains iodine, and the content of the iodine within the polarizer is 4.0 wt % or greater.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: July 24, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Nobutaka Fukagawa, Naoki Sano, Mayumi Nojiri, Aiko Yoshida, Naoya Shimoju
  • Patent number: 10001584
    Abstract: An optical film is provided containing cellulose acylate and at least one type of a compound denoted by the following Formula (I). R1 represents a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, a heterocyclic group, an acyl group, an alkoxy carbonyl group, a carbamoyl group, an alkyl sulfonyl group, or an aryl sulfonyl group, R2 represents an alkyl group or an aryl group, L represents a single bond or a bivalent or more connecting group, and n represents 1 when L is a single bond and n represents an integer of the valence of L?1 when L is a bivalent or more connecting group. s and t each independently represent 1 to 3, and X represents —O— or —N(Ra)-. Ra represents a hydrogen atom or an alkyl group.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: June 19, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Hiroyuki Hagio, Shinichi Ichikawa, Masaki Noro, Yu Naito, Nobutaka Fukagawa, Yutaka Nozoe