Patents by Inventor Suguru SAMEJIMA

Suguru SAMEJIMA 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: 9618665
    Abstract: Provided are a colored composition which enables the formation of a pattern having excellent heat resistance and excellent solubility in solvents and has inhibited color migration; and a cured film, a color filter, a method for producing a color filter, a solid-state image sensor, and an image display device, each of which uses the colored composition. The colored composition includes a polymer anion having a repeating unit containing a weakly nucleophilic anionic structure, and a dye having a cationic structure, in which the weakly nucleophilic anionic structure represents an anionic structure produced by dissociating an organic acid having a lower pKa value than the pKa value of sulfuric acid.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: April 11, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Junichi Ito, Tetsuya Watanabe, Yuushi Kaneko, Suguru Samejima, Kazuya Oota, Yoshinori Taguchi, Naotsugu Muro
  • Patent number: 9605101
    Abstract: Provided is a pigment multimer whereby a pattern can be appropriately formed during formation of a pattern. Further, provided are a coloring composition using the pigment multimer; and a cured film, a color filter, a method for manufacturing a color filter, a solid-state imaging element, and an image display device, each of which uses the coloring composition. The pigment multimer (A) has a non-nucleophilic counter anion.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: March 28, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Yuushi Kaneko, Tetsuya Watanabe, Suguru Samejima, Junichi Ito, Naotsugu Muro, Yoshinori Taguchi, Kazuya Oota
  • Publication number: 20170010530
    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: Application
    Filed: September 23, 2016
    Publication date: January 12, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Hiroaki IDEI, Kazuya OOTA, Suguru SAMEJIMA, Masayuki HARADA, Akihiro HARA, Junichi ITO
  • Publication number: 20160327859
    Abstract: A coloring composition having good light fastness and exposure sensitivity in the case of preparing a cured film; and a cured film, a color filter, a pattern forming method, a method for manufacturing a color filter, a solid-state imaging device, an image display device, and a dye multimer, each using the coloring composition, are provided.
    Type: Application
    Filed: July 18, 2016
    Publication date: November 10, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Hiroaki IDEI, Kazuya OOTA, Suguru SAMEJIMA
  • Patent number: 9442231
    Abstract: Provided are a colored composition which can maintain good light fastness even when placed under an environment having a low oxygen concentration for a long period of time, a cured film, a color filter, a method for producing a color filter, a solid-state image sensor, and an image display device. The colored composition includes a dye multimer (A) and a solvent (B), in which the dye multimer (A) has a partial structure derived from a xanthene dye having a cationic moiety, and also has an anionic moiety, and the content of water in the colored composition is 0.01% by mass to 3.0% by mass.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: September 13, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Naotsugu Muro, Kazuya Oota, Yoshinori Taguchi, Tetsuya Watanabe, Yuushi Kaneko, Junichi Ito, Suguru Samejima
  • Publication number: 20160146986
    Abstract: Provided are a colored composition which can maintain good light fastness even when placed under an environment having a low oxygen concentration for a long period of time, a cured film, a color filter, a method for producing a color filter, a solid-state image sensor, and an image display device. The colored composition includes a dye multimer (A) and a solvent (B), in which the dye multimer (A) has a partial structure derived from a xanthene dye having a cationic moiety, and also has an anionic moiety, and the content of water in the colored composition is 0.01% by mass to 3.0% by mass.
    Type: Application
    Filed: January 29, 2016
    Publication date: May 26, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Naotsugu MURO, Kazuya OOTA, Yoshinori TAGUCHI, Tetsuya WATANABE, Yuushi KANEKO, Junichi ITO, Suguru SAMEJIMA
  • Publication number: 20160146987
    Abstract: Provided are a colored composition which enables the formation of a pattern having excellent heat resistance and excellent solubility in solvents and has inhibited color migration; and a cured film, a color filter, a method for producing a color filter, a solid-state image sensor, and an image display device, each of which uses the colored composition. The colored composition includes a polymer anion having a repeating unit containing a weakly nucleophilic anionic structure, and a dye having a cationic structure, in which the weakly nucleophilic anionic structure represents an anionic structure produced by dissociating an organic acid having a lower pKa value than the pKa value of sulfuric acid.
    Type: Application
    Filed: January 29, 2016
    Publication date: May 26, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Junichi ITO, Tetsuya WATANABE, Yuushi KANEKO, Suguru SAMEJIMA, Kazuya OOTA, Yoshinori TAGUCHI, Naotsugu MURO
  • Publication number: 20160122547
    Abstract: Provided are a method for producing a dye multimer having excellent heat resistance, and a coloring composition including a dye multimer obtained by the production method. The method for producing a dye multimer includes reacting a compound having a dye structure with a polymer.
    Type: Application
    Filed: January 13, 2016
    Publication date: May 5, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Suguru SAMEJIMA, Tetsuya WATANABE, Yuushi KANEKO, Junichi ITO, Naotsugu MURO, Yoshinori TAGUCHI, Kazuya OOTA
  • Publication number: 20160116838
    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). In General Formula (I), Q represents an (m+n)-valent linking group, R represents a substituent, 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: Application
    Filed: January 6, 2016
    Publication date: April 28, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Akihiro Hara, Tetsuya Watanabe, Yuushi Kaneko, Suguru Samejima, Junichi Ito, Naotsugu Muro, Kazuya Oota, Yoshinori Taguchi
  • Publication number: 20160108161
    Abstract: Provided is a pigment multimer whereby a pattern can be appropriately formed during formation of a pattern. Further, provided are a coloring composition using the pigment multimer; and a cured film, a color filter, a method for manufacturing a color filter, a solid-state imaging element, and an image display device, each of which uses the coloring composition. The pigment multimer (A) has a non-nucleophilic counter anion.
    Type: Application
    Filed: December 22, 2015
    Publication date: April 21, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Yuushi Kaneko, Tetsuya Watanabe, Suguru Samejima, Junichi Ito, Naotsugu Muro, Yoshinori Taguchi, Kazuya Oota
  • Publication number: 20160062235
    Abstract: Provided is a coloring composition which uses a dye polymer and which can form a pattern properly. The coloring composition includes a (A) dye multimer having a non-nucleophilic counter anion and a (B) polymerizable compound.
    Type: Application
    Filed: November 9, 2015
    Publication date: March 3, 2016
    Applicant: FUJIFILM CORPORATION
    Inventors: Junichi ITOU, Suguru SAMEJIMA, Masayuki HARADA, Hiroaki IDEI, Yushi KANEKO, Tetsuya WATANABE, Kazuya OOTA, Yousuke MURAKAMI, Yoshinori TAGUCHI
  • Publication number: 20150316844
    Abstract: Provided is a colored curable composition having a good chemical resistance, and capable of forming a good colored layer pattern, the colored curable composition including an epoxy group-containing compound, and a phthalocyanine dye having a functional group capable of forming a covalent bond by a reaction with the epoxy group under heating.
    Type: Application
    Filed: July 15, 2015
    Publication date: November 5, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Suguru SAMEJIMA, Takashi KAWASHIMA, Yousuke MURAKAMI
  • Patent number: 9068082
    Abstract: A colored curable composition of the present invention contains a compound represented by general formula (1). In general formula (1), X1 to X4 each represents a halogen atom, and M represents a metal atom, a metal oxide, a metal halide or a non-metal. R1 to R4 each represents a group represented by general formula (2) or a substituent other than the group, and at least one of R1 to R4 is a group represented by general formula (2). n1 to n4 each represents an integer of 0 to 4, and m1 to m4 represent an integer of 0 to 4. However, the sum total of n1 to n4 and the sum total of m1 to m4 are each 1 or higher. In general formula (2), L1 represents a divalent linking group, Ar represents an arylene group and A represents a group having a polymerizable group.
    Type: Grant
    Filed: January 2, 2015
    Date of Patent: June 30, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Suguru Samejima, Takashi Kawashima, Yoshinori Taguchi, Yousuke Murakami
  • Publication number: 20150108086
    Abstract: A colored curable composition of the present invention contains a compound represented by general formula (1). In general formula (1), X1 to X4 each represents a halogen atom, and M represents a metal atom, a metal oxide, a metal halide or a non-metal. R1 to R4 each represents a group represented by general formula (2) or a substituent other than the group, and at least one of R1 to R4 is a group represented by general formula (2). n1 to n4 each represents an integer of 0 to 4, and m1 to m4 represent an integer of 0 to 4. However, the sum total of n1 to n4 and the sum total of m1 to m4 are each 1 or higher. In general formula (2), L1 represents a divalent linking group, Ar represents an arylene group and A represents a group having a polymerizable group.
    Type: Application
    Filed: January 2, 2015
    Publication date: April 23, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Suguru SAMEJIMA, Takashi KAWASHIMA, Yoshinori TAGUCHI, Yousuke MURAKAMI