Patents by Inventor Kazutaka Takahashi

Kazutaka Takahashi 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: 20210071078
    Abstract: This disclosure relates to etching compositions containing 1) at least one oxidizing agent; 2) at least one chelating agent; 3) at least one organic solvent; 4) at least one amine compound; and 5) water.
    Type: Application
    Filed: September 2, 2020
    Publication date: March 11, 2021
    Inventors: Kazutaka Takahashi, Tomonori Takahashi, William A. Wojtczak
  • Patent number: 10942451
    Abstract: A coloring photosensitive composition includes an oxime ester-based photopolymerization initiator containing a fluorine atom, a polymerizable compound having an ethylenically unsaturated double bond, an alkali-soluble resin, and a colorant, in which in a case where a film having a film thickness after drying of 2.0 ?m is formed using the coloring photosensitive composition, the optical density of the film at a wavelength of 365 nm is 1.5 or more.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: March 9, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Kazutaka Takahashi, Daisuke Hamada, Shunsuke Kitajima, Hirokazu Kyota, Kaoru Aoyagi, Mitsuji Yoshibayashi
  • Publication number: 20210057210
    Abstract: This disclosure relates to methods and compositions for treating a semiconductor substrate having a pattern disposed on a surface of the substrate.
    Type: Application
    Filed: August 3, 2020
    Publication date: February 25, 2021
    Inventors: William A. Wojtczak, Kazutaka Takahashi, Atsushi Mizutani, Thomas Dory, Keeyoung Park
  • Patent number: 10908501
    Abstract: A coloring photosensitive composition includes an oxime ester-based photopolymerization initiator containing a fluorine atom, a polymerizable compound having an ethylenically unsaturated double bond, an alkali-soluble resin, and a colorant, in which in a case where a film having a film thickness after drying of 2.0 ?m is formed using the coloring photosensitive composition, the optical density of the film at a wavelength of 365 nm is 1.5 or more.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: February 2, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Kazutaka Takahashi, Daisuke Hamada, Shunsuke Kitajima, Hirokazu Kyota, Kaoru Aoyagi, Mitsuji Yoshibayashi
  • Publication number: 20200332231
    Abstract: This disclosure relates to a cleaning composition that contains 1) at least one redox agent; 2) at least one alkylsulfonic acid or a salt thereof, the alkylsulfonic acid containing an alkyl group substituted by OH or NH2; and 3) at least one aminoalcohol.
    Type: Application
    Filed: July 8, 2020
    Publication date: October 22, 2020
    Inventors: Thomas Dory, Mick Bjelopavlic, Joshua Guske, Kazutaka Takahashi
  • Patent number: 10752867
    Abstract: This disclosure relates to a cleaning composition that contains 1) at least one redox agent; 2) at least one alkylsulfonic acid or a salt thereof, the alkylsulfonic acid containing an alkyl group substituted by OH or NH2; 3) at least one aminoalcohol; 4) at least one corrosion inhibitor; 5) at least one water soluble organic solvent; 6) water; and 7) optionally, at least one pH adjusting agent.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: August 25, 2020
    Assignee: Fujifilm Electronic Materials U.S.A., Inc.
    Inventors: Thomas Dory, Mick Bjelopavlic, Joshua Guske, Kazutaka Takahashi
  • Publication number: 20200225577
    Abstract: Provided is a composition with which a film capable of detecting infrared light with high sensitivity for use in an infrared sensor or the like can be formed. In addition, provided are a film, an optical filter, a solid image pickup element, and an infrared sensor. This composition includes: a color material that transmits infrared light and blocks visible light; a near infrared absorbing colorant; and a curable compound. In the composition, a ratio A/B of a minimum value A of an absorbance of the composition in a wavelength range of 400 to 700 nm to a maximum value B of an absorbance of the composition in a wavelength range of 1,400 to 1,500 nm is 4.5 or higher, and in a case where a film having a thickness of 1 ?m is formed using the composition, the film has a maximum value of a refractive index in a wavelength range of 800 nm or longer.
    Type: Application
    Filed: March 25, 2020
    Publication date: July 16, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Kazutaka TAKAHASHI, Masahiro MORI
  • Publication number: 20200225390
    Abstract: Provided is a composition with which a film that allows transmission of infrared light in a state where noise generated from visible light is small can be formed. In addition, provided are a film, a laminate, an infrared transmitting filter, a solid image pickup element, and an infrared sensor. This composition includes: a coloring material that allows transmission of infrared light and shields visible light; an infrared absorber; and a curable compound, in which the infrared absorber includes a material that shields light in a wavelength range of longer than 1000 nm and 1200 nm or shorter. In the composition, a ratio A/B of a minimum value A of an absorbance of the composition in a wavelength range of 400 to 1100 nm to a maximum value B of an absorbance of the composition in a wavelength range of 1400 to 1500 nm is 4.5 or higher.
    Type: Application
    Filed: March 11, 2020
    Publication date: July 16, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Kazutaka TAKAHASHI, Shunsuke KITAJIMA, Tokihiko MATSUMURA
  • Publication number: 20200183277
    Abstract: A composition includes: an infrared absorbing pigment; an acid or a base that undergoes neutralization or a salt interchange reaction with the infrared absorbing pigment; an acidic or basic resin; and a solvent, in which in a case where the acid is included, the acidic resin is included, in a case where the base is included, the basic resin is included, and in a case where a pKa of the acid is represented by pKa1A, a conjugate acid pKa of the base is represented by pKa1B, a pKa of the acidic resin is represented by pKa2A, and a conjugate acid pKa of the basic resin is represented by pKa2B, any one of the following Expression A or Expression B is satisfied.
    Type: Application
    Filed: February 12, 2020
    Publication date: June 11, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Hiroaki TSUYAMA, Takuya TSURUTA, Kyohei ARAYAMA, Kazutaka TAKAHASHI, Tetsushi MIYATA
  • Publication number: 20200142305
    Abstract: A coloring photosensitive composition includes an oxime ester-based photopolymerization initiator containing a fluorine atom, a polymerizable compound having an ethylenically unsaturated double bond, an alkali-soluble resin, and a colorant, in which in a case where a film having a film thickness after drying of 2.0 ?m is formed using the coloring photosensitive composition, the optical density of the film at a wavelength of 365 nm is 1.5 or more.
    Type: Application
    Filed: January 8, 2020
    Publication date: May 7, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Kazutaka TAKAHASHI, Daisuke HAMADA, Shunsuke KITAJIMA, Hirokazu KYOTA, Kaoru AOYAGI, Mitsuji YOSHIBAYASHI
  • Publication number: 20200115382
    Abstract: Provided are a curable composition, a cured film, an optical filter, a solid image pickup element, an image display device, an infrared sensor, a dispersing auxiliary agent, a dispersion, and a method of manufacturing a dispersion. With the curable composition, a cured film having excellent moisture resistance in which the formation of an aggregate derived from a compound having a colorant skeleton is suppressed can be formed. This curable composition includes: a compound A having a structure in which at least one functional group selected from an acid group having a pKa of 3 or lower and a Clog P value of ?1.1 or higher, an anionic group obtained by dissociating one or more hydrogen atoms from the acid group, or a salt of the acid group is bonded to a ?-conjugated structure of a colorant skeleton and having a maximum absorption wavelength in a wavelength range of 650 to 1200 nm; a curable compound; and a solvent.
    Type: Application
    Filed: December 10, 2019
    Publication date: April 16, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Takuya TSURUTA, Hiroaki TSUYAMA, Kyohei ARAYAMA, Suguru SAMEJIMA, Tokihiko MATSUMURA, Tetsushi MIYATA, Kazutaka TAKAHASHI
  • Patent number: 10620535
    Abstract: A coloring photosensitive composition includes an oxime ester-based photopolymerization initiator containing a fluorine atom, a polymerizable compound having an ethylenically unsaturated double bond, an alkali-soluble resin, and a colorant, in which in a case where a film having a film thickness after drying of 2.0 ?m is formed using the coloring photosensitive composition, the optical density of the film at a wavelength of 365 nm is 1.5 or more.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: April 14, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Kazutaka Takahashi, Daisuke Hamada, Shunsuke Kitajima, Hirokazu Kyota, Kaoru Aoyagi, Mitsuji Yoshibayashi
  • Publication number: 20200035494
    Abstract: This disclosure relates to methods and compositions for treating a wafer having a pattern disposed on a surface of the wafer.
    Type: Application
    Filed: July 25, 2019
    Publication date: January 30, 2020
    Inventors: William A. Wojtczak, Kazutaka Takahashi, Atsushi Mizutani, Keeyoung Park
  • Publication number: 20190382555
    Abstract: A composition includes: a compound represented by Formula (1); and at least one selected from the group consisting of a curable compound and a resin. Provided are a film that is formed using the composition, an infrared cut filter, a solid image pickup element, an infrared sensor, and a camera module. Further, provided is a compound represented by Formula (1). R1 and R2 each independently represent a group represented by the following Formula (2) and having a SP value of 12.2 (cal/cm3)1/2 or higher as a whole.
    Type: Application
    Filed: August 28, 2019
    Publication date: December 19, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Tokihiko MATSUMURA, Suguru SAMEJIMA, Shunsuke KITAJIMA, Kazutaka TAKAHASHI
  • Publication number: 20190375914
    Abstract: Provided is a resin composition including: an infrared absorbing pigment; and a resin having an infrared absorbing group. In addition, provided are a film that is formed using the resin composition, an infrared cut filter, a method of manufacturing an infrared cut filter, a solid image pickup element, an infrared sensor, and a camera module.
    Type: Application
    Filed: August 22, 2019
    Publication date: December 12, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Suguru SAMEJIMA, Kyohei ARAYAMA, Kazutaka TAKAHASHI
  • 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: 20190300694
    Abstract: A resin composition includes an organic pigment, a resin, and a solvent, in which a content of a Na atom is 0.01 to 50 mass ppm with respect to a total solid content of a resin composition.
    Type: Application
    Filed: June 17, 2019
    Publication date: October 3, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Kazutaka TAKAHASHI, Tetsushi MIYATA, Hiromu KOIZUMI
  • Publication number: 20190300825
    Abstract: This disclosure relates to a cleaning composition that contains 1) at least one redox agent; 2) at least one alkylsulfonic acid or a salt thereof, the alkylsulfonic acid containing an alkyl group substituted by OH or NH2; 3) at least one aminoalcohol; 4) at least one corrosion inhibitor; 5) at least one water soluble organic solvent; 6) water; and 7) optionally, at least one pH adjusting agent.
    Type: Application
    Filed: February 19, 2019
    Publication date: October 3, 2019
    Inventors: Thomas Dory, Mick Bjelopavlic, Joshua Guske, Kazutaka Takahashi
  • Publication number: 20190270904
    Abstract: Provided is a pigment dispersion liquid used in a curable composition capable of manufacturing a film having fewer foreign matters. Provided are a curable composition capable of manufacturing a film having fewer foreign matters, a film, a near infrared cut filter, a solid-state imaging element, an image display device, and an infrared sensor. The pigment dispersion liquid includes a near infrared absorbing organic pigment having an maximum absorption wavelength in a wavelength range of 600 to 1,200 nm; two or more kinds of pigment derivatives having different structures; and a solvent.
    Type: Application
    Filed: May 15, 2019
    Publication date: September 5, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Kazutaka Takahashi, Kyohei Arayama, Takuya Tsuruta, Tetsushi Miyata
  • Publication number: 20190196325
    Abstract: A photosensitive composition with which a cured film that includes a pattern having excellent rectangularity and suppressed thermal shrinkage can be formed is provided. A cured film formed of the photosensitive composition, an optical filter, a laminate, a pattern forming method, a solid image pickup element, an image display device, and an infrared sensor are provided. The photosensitive composition includes a near infrared absorber, a curable compound, a photoinitiator, and an ultraviolet absorber, in which in thermogravimetry, the ultraviolet absorber has a mass loss percentage of 5% or lower at 150° C. and has a mass loss percentage of 40% or higher at 220° C.
    Type: Application
    Filed: February 26, 2019
    Publication date: June 27, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Tetsushi Miyata, Kazutaka Takahashi, Takahiro Okawara