Patents by Inventor Hiroyuki Einaga

Hiroyuki Einaga 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: 8980505
    Abstract: There is provided a photosensitive colored composition including a pigment, a polymerizable monomer, a photopolymerization initiator, and a compound represented by a general formula (I) [Each of R1 and R2 independently represents a hydrogen atom, an alkyl group with 1 to 20 carbon atoms, or an aryl group with 6 to 20 carbon atoms, where although R1 and R2 may be the same or different from each other, R1 and R2 do not represent a hydrogen atom at the same time. R1 and R2 may form a cyclic amino group with a nitrogen atom; and each of R3 and R4 independently represents an electron withdrawing group.
    Type: Grant
    Filed: February 10, 2009
    Date of Patent: March 17, 2015
    Assignee: FUJIFILM Corporation
    Inventor: Hiroyuki Einaga
  • Patent number: 8908293
    Abstract: A photosensitive resin composition which can form a pattern attaining high resolution and having a high refractive index and a high transmittance is provided. The photosensitive resin composition includes a dispersion composition including (A) titanium dioxide particles having an average primary particle diameter of from 1 nm to 100 nm, (B) a graft copolymer that has a graft chain having a number of atoms other than hydrogen atoms in a range of from 40 to 10,000 and (C) a solvent, and (D) a polymerizable compound, and (E) a polymerization initiator.
    Type: Grant
    Filed: November 17, 2010
    Date of Patent: December 9, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Yoichi Maruyama, Yuzo Nagata, Hiroyuki Einaga, Shinichi Kanna
  • Patent number: 8895909
    Abstract: The invention provides a photosensitive resin composition that includes titanium black, a photopolymerizable compound, a resin A having an acid value of from 70 mgKOH/g to 250 mgKOH/g, a resin B having an acid value of from 26 mgKOH/g to 65 mgKOH/g, a photopolymerization initiator, and a solvent, the photopolymerization initiator including an oxime photopolymerization compound.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: November 25, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Yoichi Maruyama, Hiroyuki Einaga, Toru Fujimori, Kazuto Shimada, Tomotaka Tsuchimura, Yushi Kaneko
  • Patent number: 8883376
    Abstract: With the objective of providing a photosensitive transparent resin composition that is reduced in the exposure illuminance dependency, allows high residual film ratio and little development scum and can stably form a pattern with good resolution, a color filter ensuring little decrease in the transmittance for visible light and enabling display of a high-quality definite image, and a production method thereof, there is provided a photosensitive transparent resin composition containing at least a polymerizable monomer, an alkali-soluble resin, a photopolymerization initiator and a compound represented by the following formula (I): wherein each of R1 and R2 independently represents a hydrogen atom, an alkyl group having a carbon number of 1 to 20 or an aryl group having a carbon number of 6 to 20, R1 and R2 may be the same or different but are not a hydrogen atom at the same time, R1 and R2 may form a cyclic amino group together with the nitrogen atom, each of R3 and R4 independently represents an electron-
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: November 11, 2014
    Assignee: FUJIFILM Corporation
    Inventor: Hiroyuki Einaga
  • Patent number: 8872099
    Abstract: The invention provides a photosensitive resin composition including a black colorant, a photopolymerizable compound, a resin, a photopolymerization initiator and a solvent, the composition capable of forming a light-shielding color filter having a ratio OD1200/OD365 of from 0.5 to 3, where OD1200 is an optical density at a wavelength of 1200 nm and OD365 is an optical density at a wavelength of 365 nm; and a photosensitive resin composition including titanium black, a photopolymerizable compound, a resin A having an acid value of from 70 to 250 mgKOH/g, a resin B having an acid value of from 26 to 65 mgKOH/g, a photopolymerization initiator, and a solvent.
    Type: Grant
    Filed: March 11, 2009
    Date of Patent: October 28, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Yoichi Maruyama, Hiroyuki Einaga, Toru Fujimori, Kazuto Shimada, Tomotaka Tsuchimura, Yushi Kaneko
  • Patent number: 8735026
    Abstract: A polymerizable composition including at least a polymerizable compound, a binder polymer, a photopolymerization initiator, and a titanium black dispersion, wherein the mass ratio of the content of the polymerizable compound to the content of the binder polymer is more than 1.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: May 27, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Kazuto Shimada, Tomotaka Tsuchimura, Yoichi Maruyama, Toru Fujimori, Yushi Kaneko, Hiroyuki Einaga
  • Publication number: 20130306919
    Abstract: The invention provides a photosensitive resin composition that includes titanium black, a photopolymerizable compound, a resin A having an acid value of from 70 mgKOH/g to 250 mgKOH/g, a resin B having an acid value of from 26 mgKOH/g to 65 mgKOH/g, a photopolymerization initiator, and a solvent, the photopolymerization initiator including an oxime photopolymerization compound.
    Type: Application
    Filed: July 30, 2013
    Publication date: November 21, 2013
    Inventors: Yoichi MARUYAMA, Hiroyuki EINAGA, Toru FUJIMORI, Kazuto SHIMADA, Tomotaka TSUCHIMURA, Yushi KANEKO
  • Publication number: 20120257283
    Abstract: A photosensitive resin composition which can form a pattern attaining high resolution and having a high refractive index and a high transmittance is provided. The photosensitive resin composition includes a dispersion composition including (A) titanium dioxide particles having an average primary particle diameter of from 1 nm to 100 nm, (B) a graft copolymer that has a graft chain having a number of atoms other than hydrogen atoms in a range of from 40 to 10,000 and (C) a solvent, and (D) a polymerizable compound, and (E) a polymerization initiator.
    Type: Application
    Filed: November 17, 2010
    Publication date: October 11, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Yoichi Maruyama, Yuzo Nagata, Hiroyuki Einaga, Shinichi Kanna
  • Patent number: 8211598
    Abstract: A black photosensitive resin composition, a light-shielding color filter using the composition and its production method are provided, the black photosensitive resin composition including: a black colorant; a compound represented by Formula (I) or (II) as defined in the specification; and a photopolymerization initiator.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: July 3, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Hiroyuki Einaga, Yoichi Maruyama, Kazuto Shimada, Tomotaka Tsuchimura, Hiroshi Taguchi
  • Patent number: 8119311
    Abstract: A photosensitive resin composition is provided that includes at least (A) titanium black, (B) a polymerizable compound, (C) a photopolymerization initiator (D) a resin, and (E) an organic solvent, the photopolymerization initiator (C) using in combination two or more types of photopolymerization initiators including at least one type of oxime-based photopolymerization initiator. There are also provided a light-shielding color filter having a pattern formed by using the photosensitive resin composition, a process for producing a light-shielding color filter that includes a step of coating a substrate with the photosensitive resin composition, a step of imagewise exposing, and a step of developing to form a pattern, and an image sensor having the light-shielding color filter.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: February 21, 2012
    Assignee: Fujifilm Corporation
    Inventors: Toru Fujimori, Yoichi Maruyama, Hiroyuki Einaga, Kazuto Shimada, Tomotaka Tsuchimura, Yushi Kaneko
  • Patent number: 8110324
    Abstract: A photosensitive resin composition is provided that includes at least (A) titanium black, (B) two or more types of polymerizable compounds, (C) a resin, (D) a photopolymerization initiator, and (E) an organic solvent. There are also provided a light-shielding color filter formed by using the photosensitive resin composition, and a process for producing a light-shielding color filter, the process including a step of coating a substrate with the photosensitive resin composition, a step of imagewise exposing, and a step of developing to form a pattern. Furthermore, there is provided an image sensor that includes the light-shielding color filter.
    Type: Grant
    Filed: March 20, 2009
    Date of Patent: February 7, 2012
    Assignee: Fujifilm Corporation
    Inventors: Toru Fujimori, Yoichi Maruyama, Hiroyuki Einaga, Kazuto Shimada, Tomotaka Tsuchimura, Yushi Kaneko
  • Publication number: 20110104596
    Abstract: A polymerizable composition including at least a polymerizable compound, a binder polymer, a photopolymerization initiator, and a titanium black dispersion, wherein the mass ratio of the content of the polymerizable compound to the content of the binder polymer is more than 1.
    Type: Application
    Filed: February 17, 2009
    Publication date: May 5, 2011
    Applicant: FUJIFILM Corporation
    Inventors: Kazuto Shimada, Tomotaka Tsuchimura, Yoichi Maruyama, Toru Fujimori, Yushi Kaneko, Hiroyuki Einaga
  • Publication number: 20110039195
    Abstract: With the objective of providing a photosensitive transparent resin composition that is reduced in the exposure illuminance dependency, allows high residual film ratio and little development scum and can stably form a pattern with good resolution, a color filter ensuring little decrease in the transmittance for visible light and enabling display of a high-quality definite image, and a production method thereof, there is provided a photosensitive transparent resin composition containing at least a polymerizable monomer, an alkali-soluble resin, a photopolymerization initiator and a compound represented by the following formula (I): wherein each of R1 and R2 independently represents a hydrogen atom, an alkyl group having a carbon number of 1 to 20 or an aryl group having a carbon number of 6 to 20, R1 and R2 may be the same or different but are not a hydrogen atom at the same time, R1 and R2 may form a cyclic amino group together with the nitrogen atom, each of R3 and R4 independently represents an electro
    Type: Application
    Filed: March 30, 2009
    Publication date: February 17, 2011
    Applicant: FUJIFILM CORPORATION
    Inventor: Hiroyuki Einaga
  • Publication number: 20100323285
    Abstract: There is provided a photosensitive colored composition including a pigment, a polymerizable monomer, a photopolymerization initiator, and a compound represented by a general formula (I) [Each of R1 and R2 independently represents a hydrogen atom, an alkyl group with 1 to 20 carbon atoms, or an aryl group with 6 to 20 carbon atoms, where although R1 and R2 may be the same or different from each other, R1 and R2 do not represent a hydrogen atom at the same time. R1 and R2 may form a cyclic amino group with a nitrogen atom; and each of R3 and R4 independently represents an electron withdrawing group.
    Type: Application
    Filed: February 10, 2009
    Publication date: December 23, 2010
    Applicant: FUJIFILM CORPORATION
    Inventor: Hiroyuki Einaga
  • Publication number: 20090280416
    Abstract: A black photosensitive resin composition, a light-shielding color filter using the composition and its production method are provided, the black photosensitive resin composition including: a black colorant; a compound represented by Formula (I) or (II) as defined in the specification; and a photopolymerization initiator.
    Type: Application
    Filed: May 12, 2009
    Publication date: November 12, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Hiroyuki Einaga, Yoichi Maruyama, Kazuto Shimada, Tomotaka Tsuchimura, Hiroshi Taguchi
  • Publication number: 20090246650
    Abstract: A photosensitive resin composition is provided that includes at least (A) titanium black, (B) two or more types of polymerizable compounds, (C) a resin, (D) a photopolymerization initiator, and (E) an organic solvent. There are also provided a light-shielding color filter formed by using the photosensitive resin composition, and a process for producing a light-shielding color filter, the process including a step of coating a substrate with the photosensitive resin composition, a step of imagewise exposing, and a step of developing to form a pattern. Furthermore, there is provided an image sensor that includes the light-shielding color filter.
    Type: Application
    Filed: March 20, 2009
    Publication date: October 1, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Toru FUJIMORI, Yoichi MARUYAMA, Hiroyuki EINAGA, Kazuto SHIMADA, Tomotka TSUCHIMURA, Yushi KANEKO
  • Publication number: 20090246651
    Abstract: A photosensitive resin composition is provided that includes at least (A) titanium black, (B) a polymerizable compound, (C) a photopolymerization initiator (D) a resin, and (E) an organic solvent, the photopolymerization initiator (C) using in combination two or more types of photopolymerization initiators including at least one type of oxime-based photopolymerization initiator. There are also provided a light-shielding color filter having a pattern formed by using the photosensitive resin composition, a process for producing a light-shielding color filter that includes a step of coating a substrate with the photosensitive resin composition, a step of imagewise exposing, and a step of developing to form a pattern, and an image sensor having the light-shielding color filter.
    Type: Application
    Filed: March 26, 2009
    Publication date: October 1, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Toru Fujimori, Yoichi Maruyama, Hiroyuki Einaga, Kazuto Shimada, Tomotaka Tsuchimura, Yushi Kaneko
  • Publication number: 20090236509
    Abstract: The invention provides a photosensitive resin composition including a black colorant, a photopolymerizable compound, a resin, a photopolymerization initiator and a solvent, the composition capable of forming a light-shielding color filter having a ratio OD1200/OD365 of from 0.5 to 3, where OD1200 is an optical density at a wavelength of 1200 nm and OD365 is an optical density at a wavelength of 365 nm; and a photosensitive resin composition including titanium black, a photopolymerizable compound, a resin A having an acid value of from 70 to 250 mgKOH/g, a resin B having an acid value of from 26 to 65 mgKOH/g, a photopolymerization initiator, and a solvent.
    Type: Application
    Filed: March 11, 2009
    Publication date: September 24, 2009
    Applicant: FUJIFILM CORPORATION
    Inventors: Yoichi MARUYAMA, Hiroyuki EINAGA, Toru FUJIMORI, Kazuto SHIMADA, Tomotaka TSUCHIMURA, Yushi KANEKO