Patents by Inventor Seongmu BAK

Seongmu BAK 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: 11145514
    Abstract: Provided are a removal liquid for removing an oxide of a Group III-V element, an oxidation prevention liquid for preventing the oxidation of an oxide of a Group III-V element or a treatment liquid for treating an oxide of a Group III-V element, each liquid including an acid and a mercapto compound; and a method using each of the same liquids. Further provided are a treatment liquid for treating a semiconductor substrate, including an acid and a mercapto compound, and a method for producing a semiconductor substrate product using the same.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: October 12, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Satomi Takahashi, Seongmu Bak, Atsushi Mizutani, Tadashi Inaba
  • Patent number: 11112693
    Abstract: Provided are a curable coloring composition which is suitable for the production of a cured film in cyan color, having good moisture resistance, a color filter, an image sensor, and a method for producing a cured film. The curable coloring composition includes a coloring agent including a phthalocyanine pigment having Al as a central metal, a basic pigment derivative, and a curable compound, in which the coloring agent includes 80% by mass or more of the phthalocyanine pigments, and the content of the phthalocyanine pigment having Al as a central metal among the phthalocyanine pigments is 30% by mass or more.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: September 7, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Yoshinori Taguchi, Naotsugu Muro, Yousuke Murakami, Seongmu Bak, Akiko Yoshii
  • Patent number: 10641935
    Abstract: Provided are a coloring composition capable of producing a film having fewer defects generated, and the like even in a case where the coloring composition is stored for a long period of time in an environment with variations in temperature, a color filter, a pattern forming method, a solid-state imaging device, and an image display device. The coloring composition includes a heterocycle-containing coloring agent such as a compound represented by Formula (1), a phthalimide compound, a solvent, and a resin. In Formula (1), R1 to R13 each independently represent a hydrogen atom or a substituent, and adjacent groups of R1 to R8 may be bonded to each other to form a ring, provided that at least one of the pairs of adjacent two groups of R1 to R8 is bonded to each other to form an aromatic ring.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: May 5, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Naotsugu Muro, Seongmu Bak, Akiko Yoshii, Yoshinori Taguchi, Yousuke Murakami
  • Patent number: 10634997
    Abstract: Provided is a coloring composition capable of producing a cured film having suppressed color unevenness even in a case where the coloring composition is used after being stored for a long period of time. In addition, provided are a color filter, a pattern forming method, a solid-state imaging device, and an image display device. The coloring composition includes a halogenated zinc phthalocyanine pigment, a maleimide compound, a curable compound other than the maleimide compound, and a solvent, in which the molecular weight of the maleimide compound is 100 to 400, and the content of the maleimide compound is 0.08 to 0.8 parts by mass with respect to 100 parts by mass of the halogenated zinc phthalocyanine pigment.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: April 28, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Seongmu Bak, Naotsugu Muro, Yoshinori Taguchi, Akiko Yoshii, Yousuke Murakami
  • Publication number: 20180348630
    Abstract: Provided are a curable coloring composition which is suitable for the production of a cured film in cyan color, having good moisture resistance, a color filter, an image sensor, and a method for producing a cured film. The curable coloring composition includes a coloring agent including a phthalocyanine pigment having Al as a central metal, a basic pigment derivative, and a curable compound, in which the coloring agent includes 80% by mass or more of the phthalocyanine pigments, and the content of the phthalocyanine pigment having Al as a central metal among the phthalocyanine pigments is 30% by mass or more.
    Type: Application
    Filed: August 8, 2018
    Publication date: December 6, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Yoshinori TAGUCHI, Naotsugu MURO, Yousuke MURAKAMI, Seongmu BAK, Akiko YOSHII
  • Publication number: 20180329295
    Abstract: Provided is a coloring composition capable of producing a cured film having suppressed color unevenness even in a case where the coloring composition is used after being stored for a long period of time. In addition, provided are a color filter, a pattern forming method, a solid-state imaging device, and an image display device. The coloring composition includes a halogenated zinc phthalocyanine pigment, a maleimide compound, a curable compound other than the maleimide compound, and a solvent, in which the molecular weight of the maleimide compound is 100 to 400, and the content of the maleimide compound is 0.08 to 0.8 parts by mass with respect to 100 parts by mass of the halogenated zinc phthalocyanine pigment.
    Type: Application
    Filed: July 24, 2018
    Publication date: November 15, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Seongmu BAK, Naotsugu MURO, Yoshinori TAGUCHI, Akiko YOSHII, Yousuke MURAKAMI
  • Publication number: 20180252852
    Abstract: Provided are a coloring composition capable of producing a film having fewer defects generated, and the like even in a case where the coloring composition is stored for a long period of time in an environment with variations in temperature, a color filter, a pattern forming method, a solid-state imaging device, and an image display device. The coloring composition includes a heterocycle-containing coloring agent such as a compound represented by Formula (1), a phthalimide compound, a solvent, and a resin. In Formula (1), R1 to R13 each independently represent a hydrogen atom or a substituent, and adjacent groups of R1 to R8 may be bonded to each other to form a ring, provided that at least one of the pairs of adjacent two groups of R1 to R8 is bonded to each other to form an aromatic ring.
    Type: Application
    Filed: May 3, 2018
    Publication date: September 6, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Naotsugu MURO, Seongmu BAK, Akiko YOSHII, Yoshinori TAGUCHI, Yousuke MURAKAMI
  • Patent number: 10036838
    Abstract: An infrared ray absorbing composition kit comprises: a composition containing a copper compound or pigment having a maximum absorption wavelength in the wavelength range of 700 nm to 1000 nm; and a composition containing a metal oxide having a maximum absorption wavelength in the wavelength range of 800 nm to 2000 nm.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: July 31, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Seongmu Bak, Toshihide Ezoe, Kazuto Shimada
  • Publication number: 20170309492
    Abstract: Provided are a removal liquid for removing an oxide of a Group III-V element, an oxidation prevention liquid for preventing the oxidation of an oxide of a Group III-V element or a treatment liquid for treating an oxide of a Group III-V element, each liquid including an acid and a mercapto compound; and a method using each of the same liquids. Further provided are a treatment liquid for treating a semiconductor substrate, including an acid and a mercapto compound, and a method for producing a semiconductor substrate product using the same.
    Type: Application
    Filed: July 12, 2017
    Publication date: October 26, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Satomi TAKAHASHI, Seongmu BAK, Atsushi MIZUTANI, Tadashi INABA
  • Patent number: 9618666
    Abstract: An object of the present invention is to provide a near-infrared-absorbing composition capable of forming a cured film having excellent heat resistance while maintaining strong near-infrared shielding properties when a cured film is produced. The near-infrared-absorbing composition of the present invention includes a copper complex obtained by reacting two or more kinds of sulfonic acids represented by General Formula (I) described below or salts thereof with a copper component and a solvent.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: April 11, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Takashi Kawashima, Seiichi Hitomi, Hidenori Takahashi, Yuki Nara, Seongmu Bak
  • Patent number: 9465142
    Abstract: Provided is a near-infrared absorptive compositions capable of reducing unevenness in the coated surface profile and variation in near-infrared absorptive ability when the near-infrared absorptive compositions are formed into films. The near-infrared absorptive composition comprises a copper complex and a solvent, wherein the near-infrared absorptive composition has a solid content of 10 to 90% by mass and the solvent has a boiling point of 90 to 200° C.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: October 11, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Naotsugu Muro, Hideki Takakuwa, Seongmu Bak
  • Publication number: 20150346404
    Abstract: An infrared ray absorbing composition kit comprises: a composition containing a copper compound or pigment having a maximum absorption wavelength in the wavelength range of 700 nm to 1000 nm; and a composition containing a metal oxide having a maximum absorption wavelength in the wavelength range of 800 nm to 2000 nm.
    Type: Application
    Filed: August 7, 2015
    Publication date: December 3, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Seongmu BAK, Toshihide EZOE, Kazuto SHIMADA
  • Publication number: 20150301245
    Abstract: An object of the present invention is to provide a near-infrared-absorbing composition capable of forming a cured film having excellent heat resistance while maintaining strong near-infrared shielding properties when a cured film is produced. The near-infrared-absorbing composition of the present invention includes a copper complex obtained by reacting two or more kinds of sulfonic acids represented by General Formula (I) described below or salts thereof with a copper component and a solvent.
    Type: Application
    Filed: June 29, 2015
    Publication date: October 22, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Takashi KAWASHIMA, Seiichi HITOMI, Hidenori TAKAHASHI, Yuki NARA, Seongmu BAK
  • Publication number: 20150293283
    Abstract: A near-infrared blocking filter includes a near-infrared absorbing substance, has a film thickness of 300 ?m or less, and has a visible light transmissivity in a wavelength range of 450 nm to 550 nm of 85% or more, a light transmissivity at a wavelength of 800 nm is 20% or less, and a light transmissivity at a wavelength of 850 nm is 20% or less.
    Type: Application
    Filed: June 26, 2015
    Publication date: October 15, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Yuki NARA, Seongmu BAK, Toshihide EZOE, Takashi KAWASHIMA, Seiichi HITOMI
  • Publication number: 20150138369
    Abstract: Provide a near-infrared absorbing composition excellent in the light resistance, and suppressed from producing non-uniformity. A near-infrared absorbing composition comprising a copper complex having a maximum absorption wavelength in the near-infrared absorption region, and a surfactant.
    Type: Application
    Filed: January 23, 2015
    Publication date: May 21, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Hideki TAKAKUWA, Seongmu BAK, Kazuto SHIMADA
  • Publication number: 20150130008
    Abstract: Provided is a near-infrared absorptive compositions capable of reducing unevenness in the coated surface profile and variation in near-infrared absorptive ability when the near-infrared absorptive compositions are formed into films. The near-infrared absorptive composition comprises a copper complex and a solvent, wherein the near-infrared absorptive composition has a solid content of 10 to 90% by mass and the solvent has a boiling point of 90 to 200° C.
    Type: Application
    Filed: January 23, 2015
    Publication date: May 14, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Naotsugu MURO, Hideki TAKAKUWA, Seongmu BAK
  • Publication number: 20150124152
    Abstract: Provided is a near-infrared absorptive compositions which having excellent near-infrared shielding property even if they are formed into thin films, being able to apply, and inhibited transmittance of visible light loss and transmittance loss after postbaking even if they contain a higher proportion of solids such as copper complexes. The near-infrared absorptive composition comprising a copper complex, a polyfunctional polymerizable compound and a solvent, wherein the near-infrared absorptive composition has a solids content of 35 to 90% by mass.
    Type: Application
    Filed: January 16, 2015
    Publication date: May 7, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Seongmu BAK, Seiichi HITOMI