Patents by Inventor Takuma Amemiya

Takuma Amemiya 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: 10875950
    Abstract: Provided are a coloring composition having excellent heat resistance and solvent resistance, a cured film, a color filter, a method for manufacturing a color filter, a solid-state imaging device, an image display device, and a polymer. The coloring composition includes a polymer TP consisting only of a repeating unit A having a triarylmethane structure and a repeating unit B having an acid group, and a polymerizable compound, in which the polymer TP contain the repeating unit B in the amount of 12% to 60% by mass with respect to all the repeating units of the polymer TP.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: December 29, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Yuta Takasaki, Takuma Amemiya, Yasuhiro Ishiwata, Atsuyasu Nozaki, Hiroaki Idei, Atsushi Nakayama, Akinori Fujita
  • Patent number: 10703910
    Abstract: Provided are a coloring composition including a compound represented by Formula (1) shown in this specification and a compound represented by Formula (D) shown in this specification, an ink jet recording ink including the coloring composition, an ink jet recording method using the ink jet recording ink, and an ink jet printer cartridge that is filled with the ink jet recording ink.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: July 7, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Keiichi Tateishi, Takashi Saitou, Yusuke Sakai, Takuma Amemiya, Yoshihiko Fujie, Yoshiaki Nagata
  • Patent number: 10538627
    Abstract: A photosensitive resin composition using a polyimide precursor composition, a cured film, a method for producing a cured film, a semiconductor device, and a method for producing a polyimide precursor composition are provided. In the polyimide precursor composition, the molar ratio of repeating units represented by General Formula (1-2) among structural isomers of the polyimide precursor is 60% to 90% by mole. In General Formula (1-2), A1 and A2 each independently represents an oxygen atom or NH, R111 and R112 each independently represents a single bond or a divalent organic group, and R113 and R114 each independently represents a hydrogen atom or a monovalent organic group.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: January 21, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Takeshi Kawabata, Takuma Amemiya, Hidekazu Oohashi, Yu Iwai, Akinori Shibuya
  • Patent number: 10501580
    Abstract: A photosensitive resin composition using a polyimide precursor composition, a cured film, a method for producing a cured film, a semiconductor device, and a method for producing a polyimide precursor composition are provided. In the polyimide precursor composition, the molar ratio of repeating units represented by General Formula (1-2) among structural isomers of the polyimide precursor is 60% to 90% by mole. In General Formula (1-2), A1 and A2 each independently represents an oxygen atom or NH, R111 and R112 each independently represents a single bond or a divalent organic group, and R113 and R114 each independently represents a hydrogen atom or a monovalent organic group.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: December 10, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Takeshi Kawabata, Takuma Amemiya, Hidekazu Oohashi, Yu Iwai, Akinori Shibuya
  • Patent number: 10254645
    Abstract: There are provided a photosensitive resin composition having excellent chemical resistance, light resistance, and solubility in a solvent, a method for producing a cured film, a cured film, a liquid crystal display device, an organic electroluminescent display device, and a touch panel. The photosensitive resin composition contains a polybenzoxazole precursor, a photoacid generator which generates an acid having a pKa of 3 or less or a quinone diazide compound, and a solvent, in which the polybenzoxazole precursor contains a total of 70 mol % or more of a repeating unit represented by the following Formula (1) and a repeating unit represented by the following Formula (2) with respect to the total repeating units, and a ratio between the repeating unit represented by Formula (1) and the repeating unit represented by Formula (2) is 9:1 to 3:7 in a molar ratio. Y1 represents a cyclic aliphatic group having 3 to 15 carbon atoms, and Y2 represents a linear or branched aliphatic group having 4 to 20 carbon atoms.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: April 9, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Kenta Yoshida, Takuma Amemiya, Satoru Yamada, Mikio Nakagawa
  • Publication number: 20180371254
    Abstract: Provided are a coloring composition including a compound represented by Formula (1) shown in this specification and a compound represented by Formula (D) shown in this specification, an ink jet recording ink including the coloring composition, an ink jet recording method using the ink jet recording ink, and an ink jet printer cartridge that is filled with the ink jet recording ink.
    Type: Application
    Filed: August 6, 2018
    Publication date: December 27, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Keiichi TATEISHI, Takashi SAITOU, Yusuke SAKAI, Takuma AMEMIYA, Yoshihiko FUJIE, Yoshiaki NAGATA
  • Publication number: 20180162976
    Abstract: Provided are a coloring composition having excellent heat resistance and solvent resistance, a cured film, a color filter, a method for manufacturing a color filter, a solid-state imaging device, an image display device, and a polymer. The coloring composition includes a polymer TP consisting only of a repeating unit A having a triarylmethane structure and a repeating unit B having an acid group, and a polymerizable compound, in which the polymer TP contain the repeating unit B in the amount of 12% to 60% by mass with respect to all the repeating units of the polymer TP.
    Type: Application
    Filed: February 6, 2018
    Publication date: June 14, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Yuta TAKASAKI, Takuma AMEMIYA, Yasuhiro ISHIWATA, Atsuyasu NOZAKI, Hiroaki IDEI, Atsushi NAKAYAMA, Akinori FUJITA
  • Publication number: 20180079864
    Abstract: Provided are a photosensitive resin composition using a polyimide precursor composition, a cured film, a method for producing a cured film, a semiconductor device, and a method for producing a polyimide precursor composition. A polyimide precursor composition in which the molar ratio of repeating units represented by General Formula (1-2) among structural isomers of the polyimide precursor is 60% to 90% by mole; in General Formula (1-2), A1 and A2 each independently represent an oxygen atom or NH, R111 and R112 each independently represent a single bond or a divalent organic group, and R113 and R114 each independently represent a hydrogen atom or a monovalent organic group.
    Type: Application
    Filed: November 28, 2017
    Publication date: March 22, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Takeshi KAWABATA, Takuma AMEMIYA, Hidekazu OOHASHI, Yu IWAI, Akinori SHIBUYA
  • Publication number: 20170168391
    Abstract: There are provided a photosensitive resin composition having excellent chemical resistance, light resistance, and solubility in a solvent, a method for producing a cured film, a cured film, a liquid crystal display device, an organic electroluminescent display device, and a touch panel. The photosensitive resin composition contains a polybenzoxazole precursor, a photoacid generator which generates an acid having a pKa of 3 or less or a quinone diazide compound, and a solvent, in which the polybenzoxazole precursor contains a total of 70 mol % or more of a repeating unit represented by the following Formula (1) and a repeating unit represented by the following Formula (2) with respect to the total repeating units, and a ratio between the repeating unit represented by Formula (1) and the repeating unit represented by Formula (2) is 9:1 to 3:7 in a molar ratio. Y1 represents a cyclic aliphatic group having 3 to 15 carbon atoms, and Y2 represents a linear or branched aliphatic group having 4 to 20 carbon atoms.
    Type: Application
    Filed: February 27, 2017
    Publication date: June 15, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Kenta YOSHIDA, Takuma AMEMIYA, Satoru YAMADA, Mikio NAKAGAWA
  • Patent number: 8158317
    Abstract: An azo dye of the following formula: wherein R1, R2, R3, R4 and R6 each independently represent a hydrogen atom or a substituent; and R5 represent a substituent. The dye has an excellent optical characteristic with sharp absorption and excellent fastness.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: April 17, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Yoshihiko Fujie, Hisashi Mikoshiba, Takuma Amemiya, Ryuji Shinohara
  • Publication number: 20110311911
    Abstract: Disclosed is a method of proving the authenticity of goods or a support comprising using a compound represented by Formula (I). wherein, in Formula (I), each of R11 to R46 independently represents a hydrogen atom or a substituent group, wherein when a benzene ring is substituted with any of R11 to R46, any groups adjacent to each other among R11 to R46 may be bonded each other to form a ring; M represents a hydrogen atom, a metal ion, or a group containing a metal ion; and n represents 1 or 2. The infrared absorption efficiency is high and the deterioration in infrared absorption over time is ameliorated. The infrared absorption efficiency is high and the deterioration in infrared absorption over time is ameliorated.
    Type: Application
    Filed: December 15, 2009
    Publication date: December 22, 2011
    Inventors: Keizo Kimura, Takuma Amemiya, Katsumi Kobayashi
  • Patent number: 8011774
    Abstract: An azo dye represented by formula (1): wherein, R11 represents a monovalent substituent, R12 represents a hydrogen atom or a monovalent substituent, Ar1 represents a specific heterocyclic group such as a group such as a group shown below, and X represents atoms necessary to form a ring; wherein, in the heterocyclic group, R61 to R63 each independently represents a hydrogen atom or a substituent.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: September 6, 2011
    Assignee: Fujifilm Corporation
    Inventors: Yoshihiko Fujie, Hisashi Mikoshiba, Takuma Amemiya, Ryuji Shinohara
  • Publication number: 20080081269
    Abstract: An azo dye of the following formula: wherein R1, R2, R3, R4 and R6 each independently represent a hydrogen atom or a substituent; and R5 represent a substituent. The dye has an excellent optical characteristic with sharp absorption and excellent fastness.
    Type: Application
    Filed: September 28, 2007
    Publication date: April 3, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Yoshihiko Fujie, Hisashi Mikoshiba, Takuma Amemiya, Ryuji Shinohara
  • Publication number: 20080012929
    Abstract: An azo dye represented by formula (1): wherein R1 represents an alkyl group having 1 to 6 carbon atoms; and R2 to R6 each independently represents a hydrogen atom or a substituents, and an ink sheet for heat-sensitive transfer recording, a heat-sensitive transfer recording method, a color toner, an inkjet ink, and a color filter, each utilizes the azo dye.
    Type: Application
    Filed: June 26, 2007
    Publication date: January 17, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Yoshihiko Fujie, Hisashi Mikoshiba, Takuma Amemiya, Kazufumi Omura, Ryuji Shinohara
  • Publication number: 20080012930
    Abstract: An azo dye represented by formula (1): wherein, R11 represents a monovalent substituent, R12 represents a hydrogen atom or a monovalent substituent, Ar1 represents a specific heterocyclic group such as a group such as a group shown below, and X represents atoms necessary to form a ring; wherein, in the heterocyclic group, R61 to R63 each independently represents a hydrogen atom or a substituent.
    Type: Application
    Filed: June 26, 2007
    Publication date: January 17, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Yoshihiko FUJIE, Hisashi Mikoshiba, Takuma Amemiya, Ryuji Shinohara