Patents by Inventor Kazuto Shimada

Kazuto Shimada 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: 20180196179
    Abstract: A laminate includes at least one first reflective layer formed by immobilizing a liquid crystal phase in which a rotational direction of the helical axis is rightward, and at least one second reflective layer formed by immobilizing a liquid crystal phase in which the rotational direction of the helical axis is leftward, in which the laminate has a first transmission band in the wavelength range of 300 to 3,000 nm, the half-width of the first transmission band is 200 nm or less, an average transmittance in a wavelength range from a half-value wavelength A on the short wavelength side of the first transmission band to a half-value wavelength B on the long wavelength side of the first transmission band is 50% or more, and the average transmittance in the wavelength range of 100 nm from the half-value wavelength A to the short wavelength side and the average transmittance in the wavelength range of 100 nm from the half-value wavelength B to the long wavelength side are respectively less than 20%.
    Type: Application
    Filed: March 6, 2018
    Publication date: July 12, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka TAKISHITA, Tetsushi MIYATA, Masahiro MORI, Kazuto SHIMADA, Ryoji GOTO
  • Publication number: 20180188428
    Abstract: A near-infrared cut filter has a first infrared absorbing layer including an infrared absorber A, a second infrared absorbing layer including an infrared absorber C, and a resin layer disposed between the first infrared absorbing layer and the second infrared absorbing layer.
    Type: Application
    Filed: February 20, 2018
    Publication date: July 5, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Keisuke ARIMURA, Kazuto SHIMADA, Takahiro OKAWARA, Takashi KAWASHIMA, Hidenori TAKAHASHI
  • Publication number: 20180175090
    Abstract: A near infrared absorbing composition includes: a copper compound; a radical trapping agent; and a resin which generates a radical at 180° C. or higher.
    Type: Application
    Filed: February 20, 2018
    Publication date: June 21, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Takahiro OKAWARA, Takashi KAWASHIMA, Kazuto SHIMADA, Keisuke ARIMURA, Kouitsu SASAKI
  • Publication number: 20180136379
    Abstract: Provided are a laminate having an antireflection layer including inorganic particles, and an infrared light reflecting layer, in which the infrared light reflecting layer includes a first selective reflection layer which is formed by fixing a liquid crystal phase having a helical axis which rotates in a right direction, and a second selective reflection layer which is formed by fixing a liquid crystal phase having a helical axis which rotates in a left direction, a method for producing the laminate, a solid-state imaging device including the laminate, and a kit used for producing the laminate.
    Type: Application
    Filed: December 25, 2017
    Publication date: May 17, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka TAKISHITA, Kazuto SHIMADA, Keisuke ARIMURA, Takahiro OKAWARA, Daisuke SASAKI, Keiji YAMAMOTO, Masaru YOSHIKAWA, Ryoji GOTO
  • Publication number: 20180120485
    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: Application
    Filed: November 3, 2017
    Publication date: May 3, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Kazuya OOTA, Daisuke SASAKI, Yuki HIRAI, Takahiro OKAWARA, Kazuto SHIMADA, Keisuke ARIMURA
  • Publication number: 20180094118
    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: Application
    Filed: November 22, 2017
    Publication date: April 5, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Kazuya OOTA, Masahiro MORI, Kazuto SHIMADA
  • Publication number: 20180057690
    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: Application
    Filed: November 3, 2017
    Publication date: March 1, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Masahiro MORI, Kazuya OOTA, Kazuto SHIMADA, Kyohei ARAYAMA, Takuya TSURUTA, Hirotaka TAKISHITA
  • Publication number: 20180030161
    Abstract: The present invention provides a composition kit which is suitably used for more convenient production of a bandpass filter with reduced angle dependence, a laminate and a method for producing the same, and a bandpass filter. The composition kit of the present invention includes a first composition containing a liquid crystal compound having a polymerizable group and a dextrorotatory chiral agent, a second composition containing a liquid crystal compound having a polymerizable group and a levorotatory chiral agent, and a third composition containing a color material.
    Type: Application
    Filed: August 18, 2017
    Publication date: February 1, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka TAKISHITA, Kazuto SHIMADA, Masaru YOSHIKAWA, Ryoji GOTO
  • Publication number: 20180017720
    Abstract: To provide an infrared cut filter having a wide view angle and excellent infrared shieldability, a kit for manufacturing the infrared cut filter, and a solid-state imaging device. An infrared cut filter has: a copper-containing transparent layer 1. The copper-containing transparent layer 1 further contains an infrared absorbing agent, or an infrared absorbing agent-containing layer 2 is further provided.
    Type: Application
    Filed: September 27, 2017
    Publication date: January 18, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Keisuke ARIMURA, Kazuto SHIMADA, Daisuke SASAKI, Yuki HIRAI, Tokihiko MATSUMURA
  • Publication number: 20180017722
    Abstract: To provide an infrared cut filter that has a wide view angle and excellent infrared shieldability and in which the generation of defects is suppressed, and a solid-state imaging device. An infrared cut filter has: a transparent base 1; an infrared absorbing film 2 that contains an infrared absorbing agent; and a dielectric multi-layer film 3, the infrared absorbing film 2 has a maximum absorption wavelength in a wavelength region of 600 nm or greater, and a ratio B/A of, to absorbance A at the maximum absorption wavelength before the infrared absorbing film 2 is dipped in at least one organic solvent selected from propylene glycol monomethyl ether, propylene glycol monomethyl ether acetate, methyl 3-methoxypropionate, ethyl lactate, acetone, and ethanol, absorbance B at the wavelength at which the absorbance A is measured after the infrared absorbing film 2 is dipped in the organic solvent for 2 minutes at 25° C. is 0.9 or greater.
    Type: Application
    Filed: September 27, 2017
    Publication date: January 18, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Keisuke ARIMURA, Kazuto SHIMADA, Daisuke SASAKI, Yuki HIRAI, Tokihiko MATSUMURA, Takahiro OKAWARA
  • Patent number: 9810821
    Abstract: An infrared ray cutoff filter including two or more high refractive index layers with a refractive index ranging from 1.65 to 2.00 and two or more low refractive index layers with a refractive index ranging from 1.20 to 1.45. At least one layer of the two or more high refractive index layers and the two or more low refractive index layers contains a dye having a maximum absorption wavelength in a range of 600 nm to 820 nm, and the two or more low refractive index layers are a plurality of kinds of layers which have different film thickness within a range of 50 nm to 250 nm.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: November 7, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Toshihide Ezoe, Kazuto Shimada, Shinichiro Sonoda
  • Patent number: 9740095
    Abstract: The present invention provides a green coloring composition for use in a color filter, which can form a green colored film having low incident-angle dependence and improves the color-separation properties of a solid-state imaging device including the colored film; and a colored film, a color filter, and a solid-state imaging device. The green coloring composition for use in a color filter of the present invention is a green coloring composition for use in a color filter, containing a green colorant, a near-infrared absorbent, and a polymerizable compound, in which when the green coloring composition for use in a color filter is used to form a colored film having a film thickness of 0.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: August 22, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Satoru Murayama, Kazuto Shimada
  • Patent number: 9657182
    Abstract: There is provided a curable resin composition which is capable of being coated so as to have a film thickness of 20 ?m or more and contains a dye having a maximum absorption wavelength in a wavelength range from 600 to 850 nm, and the infrared ray cut filter having a dye-containing layer having a film thickness of 20 ?m or more formed from the curable resin composition, and a production method of image sensor chip comprising a step of coating the curable resin composition on a glass substrate to form a dye-containing layer, and a step of adhering the glass plate having the dye-containing layer formed on a solid-state imaging device substrate.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: May 23, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Toshihide Ezoe, Yuki Nara, Kazuto Shimada
  • Patent number: 9637649
    Abstract: A curable resin composition, for forming a first optical member of an optical member set, the optical member having the first optical member and a second optical member covered with the first optical member, the first optical member being formed by curing a siloxane resin, comprising: a siloxane resin, a surfactant, and a solvent, the siloxane resin and the surfactant being contained in the solvent, the surfactant having a polyoxyalkylene structure, the siloxane resin being defined in 65% by mass to 100% by mass thereof having a particular polysilsesquioxane structure.
    Type: Grant
    Filed: November 4, 2013
    Date of Patent: May 2, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Keiji Yamamoto, Kazuto Shimada, Makoto Kubota
  • Patent number: 9625618
    Abstract: An optical member set which has a first optical member formed by curing a composition of curable resins, and a second optical member which is covered by the first optical member, in which the contact angle with water on a surface, which comes into contact with a first optical member, of the second optical member is 70 to 97° and the contact angle with the water on a surface of the opposite side to the side, which comes into contact with the second optical member, of the first optical member is 80 to 115°.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: April 18, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Keiji Yamamoto, Kazuto Shimada, Hideki Takakuwa, Makoto Kubota
  • Patent number: 9620542
    Abstract: There is provided a curable resin composition which is capable of being coated on a solid-state imaging device substrate and contains a dye having a maximum absorption wavelength in a wavelength range from 600 to 850 nm, a production method of image sensor chip comprising a step of coating the curable resin composition on a solid-state imaging device substrate to form a dye-containing layer, and a step of adhering a glass substrate having an infrared ray reflecting film onto the dye-containing layer, and an image sensor chip comprising a solid-state imaging device substrate and a dye-containing layer composed of the curable resin composition.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: April 11, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Toshihide Ezoe, Kazuto Shimada
  • Publication number: 20170090083
    Abstract: A laminate includes a first area formed by applying a first composition and a second area formed by applying a second composition on a surface of the first area, and a difference between refractive indexes of the first area and the second area is 0.5 or greater, and the first areas and the second areas are alternately laminated.
    Type: Application
    Filed: December 9, 2016
    Publication date: March 30, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka TAKISHITA, Keiji YAMAMOTO, Hideki TAKAKUWA, Keisuke ARIMURA, Kazuto SHIMADA
  • Publication number: 20170023858
    Abstract: A coloring composition includes colorants, polymerizable compounds, and a resin, in which a ratio P/M of a mass P of the colorants to a mass M of the polymerizable compounds is 0.05 to 0.35, a content of the polymerizable compounds is 25 to 65 mass % with respect to a total solid content of the coloring composition, a ratio A/B of a minimum value A of an absorbance in a wavelength range of 400 nm or longer and shorter than 580 nm to a minimum value B of an absorbance in a wavelength range of 580 nm to 770 nm is 0.3 to 3, and a ratio C/D of a minimum value C of an absorbance in a wavelength range of 400 nm to 750 nm to a maximum value D of an absorbance in a wavelength range of 850 nm to 1300 nm is 5 or higher.
    Type: Application
    Filed: October 7, 2016
    Publication date: January 26, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka TAKISHITA, Tetsuya KAMIMURA, Hirokazu KYOTA, Toshihide EZOE, Kazuto SHIMADA
  • Publication number: 20170017153
    Abstract: There is provided a photosensitive resin composition which enables production of a lithographic printing plate precursor having a non-image portion which has good solubility in an alkali aqueous solution and which enables production of a lithographic printing plate having excellent printing durability and excellent chemical resistance, a lithographic printing plate precursor obtained by using the photosensitive resin composition, and a method for producing a lithographic printing plate. The photosensitive resin composition contains a polymer compound having a constitutional unit represented by the following Formula A-1 as a constitutional unit A and at least one constitutional unit among constitutional units represented by the following Formulas B-1 to B-6 as a constitutional unit B in the main chain, and an infrared absorbing material.
    Type: Application
    Filed: September 29, 2016
    Publication date: January 19, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Kotaro ASANO, Atsuyasu NOZAKI, Takashi SATO, Rena MUKAIYAMA, Kazuto SHIMADA
  • Publication number: 20170010528
    Abstract: A coloring composition includes colorants and a resin, in which a ratio A/B of a minimum value A of an absorbance in a wavelength range of 400 to 830 nm to a maximum value B of an absorbance in a wavelength range of 1000 to 1300 nm is 4.5 or higher.
    Type: Application
    Filed: September 21, 2016
    Publication date: January 12, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka TAKISHITA, Tetsuya KAMIMURA, Takuya TSURUTA, Kyouhei ARAYAMA, Kazuto SHIMADA, Masahiro MORI