Patents by Inventor Kazuya Oota

Kazuya Oota 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: 10947389
    Abstract: The composition includes two or more near infrared absorbing compounds having an absorption maximum in a wavelength range of 650 to 1000 nm and having a solubility of 0.1 mass % or lower in water at 23° C., in which the two or more near infrared absorbing compounds include a first near infrared absorbing compound having an absorption maximum in a wavelength range of 650 to 1000 nm, and a second near infrared absorbing compound having an absorption maximum in a wavelength range of 650 to 1000 nm which is shorter than the absorption maximum of the first near infrared absorbing compound, and a difference between the absorption maximum of the first near infrared absorbing compound and the absorption maximum of the second near infrared absorbing compound is 1 to 150 nm.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: March 16, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Tokihiko Matsumura, Daisuke Sasaki, Kyohei Arayama, Yoshihiro Jimbo, Kazuya Oota, Keisuke Arimura, Takahiro Okawara
  • Patent number: 10908335
    Abstract: A film has a maximum light transmittance value of 20% or lower in a wavelength range of 450 to 650 nm in a film thickness direction, a light transmittance of 20% or lower at a wavelength of 835 nm in the film thickness direction, and a minimum light transmittance value of 70% or higher in a wavelength range of 1000 to 1300 nm in the film thickness direction. A method of forming the film includes forming a first spectrally selective layer and forming a second spectrally selective layer. A kit for forming the film includes a first composition and a second composition.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: February 2, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Kazuya Oota, Kyohei Arayama, Masahiro Mori
  • Patent number: 10829641
    Abstract: Provided is a coloring composition with which a film capable of allowing transmission of infrared light in a state where noise generated from visible light is small can be formed. In addition, also provided are a film, a color filter, a pattern forming method, a method for manufacturing a color filter, a solid image pickup element, and an infrared sensor in which the coloring composition is used. The coloring composition includes a coloring material that shields light in a visible range; and an infrared absorber. It is preferable that the coloring material that shields light in the visible range includes two or more chromatic colorants and that a combination of the two or more chromatic colorants forms black. Alternatively, it is preferable that the coloring material that shields light in the visible range includes an organic black colorant. It is preferable that the organic black colorant is at least one selected from the group consisting of a perylene compound and a bisbenzofuranone compound.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: November 10, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Masahiro Mori, Kazuya Oota, Kazuto Shimada, Kyohei Arayama, Takuya Tsuruta, Hirotaka Takishita
  • Patent number: 10741988
    Abstract: A laser machining device capable of recovering an exhaust performance of a dry pump easily is provided. A laser machining device includes: an oscillating portion that generates a machining laser beam G; an enclosure portion in which a first gas is enclosed; and an exhausting portion that exhausts the first gas together with a dirt generated in the enclosure portion in association with an operation of the oscillating portion. The exhausting portion includes: a dry pump; a first line that connects the enclosure portion and the dry pump; a second line that supplies a second gas having a higher pressure than the first gas to the dry pump; a valve portion that opens or closes the first line and the second line; and a control unit that controls opening or closing of the valve portion.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: August 11, 2020
    Assignee: FANUC CORPORATION
    Inventor: Kazuya Oota
  • Patent number: 10719012
    Abstract: A curable composition includes: an ?-type oxytitanium phthalocyanine pigment; and a curable compound. A method of manufacturing a curable composition includes a step of dispersing an ?-type oxytitanium phthalocyanine pigment and a pigment other than an oxytitanium phthalocyanine pigment in the presence of a solvent. A film, an infrared cut filter, and an infrared transmitting filter are formed using the curable composition. A pattern forming method includes: a step of forming a curable composition layer on a support using the curable composition; and a step of forming a pattern on the curable composition layer using a photolithography method or a dry etching method. The device is a solid image pickup element, an infrared sensor, or an image display device including the film.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: July 21, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Kazuya Oota, Masahiro Mori, Kazuto Shimada
  • Patent number: 10711082
    Abstract: A near infrared absorbing colorant polymer has a maximal absorption in a wavelength range of 700 to 1200 nm. It is preferable that the near infrared absorbing colorant polymer includes at least one near infrared absorbing colorant structure selected from the group consisting of a pyrrolopyrrole colorant, a cyanine colorant, a squarylium colorant, a diimonium colorant, a phthalocyanine colorant, a naphthalocyanine colorant, a rylene colorant, a dithiol complex colorant, a croconium colorant, an oxonol colorant, a triarylmethane colorant, a pyrromethene colorant, an azomethine colorant, an anthraquinone colorant, and a dibenzofuranone colorant.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: July 14, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Kyohei Arayama, Kazuya Oota
  • Patent number: 10598835
    Abstract: An infrared absorbing composition which is used for forming an infrared cut filter in a solid image pickup element having the infrared cut filter includes at least one infrared absorber having an absorption maximum at a wavelength of 650 nm or longer which is selected from polymethine colorants.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: March 24, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Kazuya Oota, Daisuke Sasaki, Yuki Hirai, Takahiro Okawara, Kazuto Shimada, Keisuke Arimura
  • Patent number: 10585221
    Abstract: To provide a near-infrared absorption composition capable of forming a film having excellent visible transparency and near-infrared shieldability, a cured film, a near-infrared absorption filter, a solid-state imaging device, and an infrared sensor. A near-infrared absorption composition includes a compound represented Formula (1) and a resin, the compound has a maximum absorption wavelength in a wavelength range of 750 to 830 nm in a film in a case where the film is formed using the near-infrared absorption composition, and a value obtained by dividing an absorbance at a wavelength of 555 nm by an absorbance at the maximum absorption wavelength is 0.10 or less.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: March 10, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Tokihiko Matsumura, Kazuya Oota, Yoshihiro Jimbo, Daisuke Sasaki
  • Publication number: 20200013821
    Abstract: Provided is a structure capable of detecting near-infrared light with good sensitivity. Also provided are a composition for forming a near-infrared transmitting filter layer used in the structure and an optical sensor capable of detecting near-infrared light with good sensitivity. This structure 101 has a support 1, a partition wall 2 provided on the support 1, and a near-infrared transmitting filter layer 11 that shields visible light and transmits at least a portion of near-infrared light, provided in a region partitioned by the partition wall 2, in which the refractive index of the partition wall 2 is smaller than the refractive index of the near-infrared transmitting filter layer 11 at at least a portion of the wavelengths of the near-infrared light transmitted by the near-infrared transmitting filter layer 11.
    Type: Application
    Filed: September 19, 2019
    Publication date: January 9, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Kazuya Oota, Masahiro Mori
  • Publication number: 20200004140
    Abstract: Provided are a composition, in which, in a case where an absorbance of 500 nm is A500, an absorbance of 580 nm is B580, and an absorbance of 600 nm is C600, an absorbance of A500/B580 is 2.0 or more, and C600/B580 is 1.5 or more, a color filter, and a hemoglobin sensor having the color filter.
    Type: Application
    Filed: September 12, 2019
    Publication date: January 2, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka TAKISHITA, Kazuya OOTA
  • Publication number: 20190378868
    Abstract: Provided are a filter capable of detecting light with less noise, an optical sensor, a solid-state imaging element, and an image display device. This filter is provided with a plurality of different pixels that are two-dimensionally arranged, and at least one of the plurality of pixels is a pixel 11 of a near-infrared cut filter that shields at least a part of light having a wavelength in the near-infrared region and transmits light having a wavelength in the visible region.
    Type: Application
    Filed: August 20, 2019
    Publication date: December 12, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Kazutaka TAKAHASHI, Kazuya OOTA
  • Publication number: 20190369497
    Abstract: Provided are a photosensitive composition capable of forming a cured film having suppressed color unevenness, a cured film, a color filter, a solid-state imaging element, and an image display device. The photosensitive composition includes a compound having an ethylenically unsaturated group, a color material, and a photopolymerization initiator, in which a content of the color material is 50% by mass or more with respect to the total solid content of the photosensitive composition, and a content of a compound with a weight-average molecular weight of 3,000 or more having an ethylenically unsaturated group in the total mass of the compound having an ethylenically unsaturated group is 70% by mass or more.
    Type: Application
    Filed: June 27, 2019
    Publication date: December 5, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Masahiro MORI, Akio Mizuno, Kazuya Oota
  • Publication number: 20190345321
    Abstract: Provided is a composition with which a film having excellent temporal stability and excellent adhesiveness with a support or the like can be formed. In addition, provided are a film, a near infrared cut filter, a solid image pickup element, an image display device, and an infrared sensor. The composition includes: a near infrared absorbing compound that includes a it-conjugated plane having a monocyclic or fused aromatic ring; and a compound A having a weight-average molecular weight of 3000 or higher that has a radically polymerizable ethylenically unsaturated group, in which the compound A includes a repeating unit having a graft chain.
    Type: Application
    Filed: July 26, 2019
    Publication date: November 14, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Masahiro MORI, Akio MIZUNO, Kazuya OOTA
  • Publication number: 20190338064
    Abstract: Provided is a composition with which a film having reduced color unevenness can be formed. In addition, provide are a film, an infrared transmitting filter, a solid image pickup element, an image display device, and an infrared sensor. The composition including a light shielding material; and a compound A having a weight-average molecular weight of 3000 or higher that has a radically polymerizable ethylenically unsaturated group, in which the compound A includes a repeating unit having a graft chain, and a ratio Amin/Bmax of a minimum value Amin of an absorbance of the composition in a wavelength range of 400 to 640 nm to a maximum value Bmax of an absorbance of the composition in a wavelength range of 940 to 1300 nm is 5 or higher.
    Type: Application
    Filed: July 18, 2019
    Publication date: November 7, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Masahiro MORI, Akio MIZUNO, Kazuya OOTA
  • Publication number: 20190332009
    Abstract: A coloring composition includes a pigment, a resin, and a curable compound, in which the pigment includes a red pigment, a yellow pigment, and an orange pigment, and a mass ratio of the yellow pigment to the red pigment and a mass ratio of the orange pigment to the red pigment in the coloring composition are yellow pigment/red pigment=1.0 to 2.0/1.0 and orange pigment/red pigment=0.9 to 2.0/1.0, respectively.
    Type: Application
    Filed: July 10, 2019
    Publication date: October 31, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka TAKISHITA, Kazuya OOTA
  • Patent number: 10444625
    Abstract: The coloring composition includes a curable compound and a colorant represented by (D-L1-Y—X—)n—R1—(R2)m; R1 represents a (m+n)-valent linking group, X represents —C(?O)O—, Y represents an alkylene group, L1 represents a single bond or a divalent linking group, D represents a colorant structure. R2 represents a monovalent substituent, m represents an integer of 1 to 13, n represents an integer of 2 to 14, m+n represents an integer of 3 to 15, L1 (in a case where L1 represents a single bond, D) and X are separated by Y by a distance of three or more carbon atoms, and at least one of D, L1, R1, R2, X, or Y has an acid group.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: October 15, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Suguru Samejima, Masayuki Harada, Hiroaki Idei, Kazuya Oota
  • Patent number: 10409158
    Abstract: Provided are a coloring composition having improved heat resistance; and a cured film, a color filter, a method for producing a color filter, and a solid-state imaging element and an image display device, each of which uses the coloring composition. The coloring composition includes a dye (A) represented by the following General Formula (I) and a polymerizable compound (B). General Formula (I) is (R)m-Q-(D)n, wherein Q represents an (m+n)-valent linking group, R represents a substituent, D represents a dye residue, m represents an integer of 0 to 6, n represents an integer of 2 to 8, and (m+n) represents an integer of 2 to 8. In the case where m is 2 or more, a plurality of R's may be different from each other, and in the case where n is 2 or more, a plurality of D's may be different from each other.
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: September 10, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Akihiro Hara, Tetsuya Watanabe, Yuushi Kaneko, Suguru Samejima, Junichi Ito, Naotsugu Muro, Kazuya Oota, Yoshinori Taguchi
  • Publication number: 20190221596
    Abstract: Provided are a structure having excellent moisture resistance, a color filter, a solid-state imaging element, an image display device, and a method for producing a structure. Provided is also a composition for forming an organic material layer which is used to form the above-mentioned structure. This structure 100 has a support 1, partition walls 2 formed on the support 1, colored layers 4 formed in regions partitioned by the partition walls 2, on the support 1, and organic material layers 3 formed using a composition including a compound having a group with an ethylenically unsaturated bond, between the partition walls 2 and the colored layers 4.
    Type: Application
    Filed: March 27, 2019
    Publication date: July 18, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Kazuya OOTA, Kaoru Aoyagi
  • Publication number: 20190212644
    Abstract: Provided is a photosensitive composition capable of Ruining a pattern having excellent rectangularity and solvent resistance. Provided are also a cured film, a pattern forming method, a color filter, a solid-state imaging element, and an image display device. This photosensitive composition includes a white or colorless pigment A, an alkali-soluble resin B, a polymerizable compound C having an ethylenically unsaturated double bond, a photopolymerization initiator D1 having a light absorption coefficient of 1.0×103 mL/gcm or more at a wavelength of 365 nm in methanol, and a photopolymerization initiator D2 having a light absorption coefficient of 1.0×102 mL/gcm or less at a wavelength of 365 nm in methanol and a light absorption coefficient of 1.0×103 mL/gcm or more at a wavelength of 254 nm, in which the mass ratio of the photopolymerization initiator D1 to the photopolymerization initiator D2 is photopolymerization initiator D1:photopolymerization initiator D2=90:10 to 40:60.
    Type: Application
    Filed: March 18, 2019
    Publication date: July 11, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Hiroyuki Morishita, Kazuya Oota, Yoshinori Taguchi, Akiko Yoshii
  • Patent number: 10317794
    Abstract: A coloring composition having excellent light fastness, color migration properties, and flatness, a colorant, and a method for producing a colorant are provided. Further, a cured film, a color filter, a method for manufacturing a color filter, a solid-state imaging device, an image display device, and an organic electroluminescent element, each using such the coloring composition, are also provided. The coloring composition contains a colorant represented by General Formula (1) and a curable compound, and has a specific absorbance of 5 or more at a maximum absorption wavelength of 400 nm to 800 nm. R1 represents an (m+n)-valent linking group, P represents a monovalent substituent having a repeating units derived from a vinyl compound, D represents a colorant structure, and R2 and L1 each independently represent a single bond or a divalent linking group.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: June 11, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Hiroaki Idei, Kazuya Oota, Suguru Samejima, Masayuki Harada, Akihiro Hara, Junichi Ito