Patents by Inventor Keizo Kimura

Keizo Kimura 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: 7951945
    Abstract: A compound represented by following formula (24): wherein R11 and R12 each represents a substituent; m1 represents an integer of from 0 to 4; m2 represents an integer of from 0 to 6; Z2 represents an atomic group which forms an aryl ring or a heteroaryl ring; Z3 represents an atomic group which forms a nitrogen-containing heteroaryl ring; and n1 represents an integer of from 1 to 3.
    Type: Grant
    Filed: March 15, 2010
    Date of Patent: May 31, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Tatsuya Igarashi, Keizo Kimura, Kazumi Nii
  • Publication number: 20110092619
    Abstract: A formed resin article, containing a compound and a polymer substance, wherein the compound has a maximum absorption wavelength in a range of 400 nm or less, measured in a solution of the compound, wherein the compound is contained in the polymer substance in a quantity of 5 g/m2 or less, and wherein a light transmittance of the article at a wavelength of 410 nm is 5% or less.
    Type: Application
    Filed: March 24, 2009
    Publication date: April 21, 2011
    Applicant: FUJIFILM Corporation
    Inventors: Ichiro Amasaki, Keizo Kimura, Youichiro Takeshima
  • Publication number: 20110073187
    Abstract: A method of producing a photoelectric conversion element, which the element contains an electrically conductive support, a photosensitive layer having porous semiconductor fine particles, a charge transfer layer; and a counter electrode; containing the steps of: applying a semiconductor fine particle dispersion liquid, in which the content of solids excluding semiconductor fine particles is 10% by mass or less based on the total amount of the dispersion liquid, on the support, to form a coating; heating the coating, to obtain porous semiconductor fine particles; and sensitizing the porous particles by adsorption of the following dye: wherein X represents a group of non-metallic atoms necessary for forming a 7-membered ring; Y represents a dye residue; n represents an integer of 1 or more; Z represents a substituent; m represents 0 or a positive integer; and R1 represents a hydrogen atom or a specific substituent.
    Type: Application
    Filed: September 24, 2010
    Publication date: March 31, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Katsumi KOBAYASHI, Hirotaka SATOU, Keizo KIMURA
  • Publication number: 20110077331
    Abstract: A polycarbonate resin composition comprising a compound represented by the following formula (1): wherein each of R1a, R1b, R1c, R1d and R1e independently represents a hydrogen atom or a monovalent substituent provided that OH is excluded, at least one of the substituents represents a substituent having a Hammett's ?p value of 0.3 or more, and the substituents may be combined each other to form a ring; and each of R1g, R1h, R1i, R1j, R1k, R1m, R1n and R1p independently represents a hydrogen atom or a monovalent substituent, and the substituents may be combined each other to form a ring.
    Type: Application
    Filed: September 27, 2010
    Publication date: March 31, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Takashi Kitagawa, Ichiro Amasaki, Yukie Watanabe, Keizo Kimura
  • Publication number: 20110077330
    Abstract: A polycarbonate resin composition containing a compound represented by the following formula (1): wherein each of R1a, R1b, R1c, R1d and R1e independently represents a hydrogen atom or a monovalent substituent excluding —OH, at least one of the substituents represents a substituent having a positive Hammett's ?p value, and the substituents may be combined each other to form a ring; each of R1f, R1g, R1h, R1i and R1j independently represents a hydrogen atom or a monovalent substituent excluding —OH, and the substituents may be combined each other to form a ring; and each of R1k, R1m, R1n and R1p independently represents a hydrogen atom or a monovalent substituent, and the substituents may be combined each other to form a ring.
    Type: Application
    Filed: September 27, 2010
    Publication date: March 31, 2011
    Applicant: FUJIFILM Corporation
    Inventors: Ichiro Amasaki, Keizo Kimura
  • Publication number: 20110076539
    Abstract: A method of producing a photoelectric conversion element, which the element contains an electrically conductive support, a photosensitive layer having porous semiconductor fine particles, a charge transfer layer; and a counter electrode, includes the steps of: applying a semiconductor dispersion liquid, in which the content of solids excluding semiconductor fine particles is 10% by mass or less based on the total amount of the dispersion liquid, on the support, to form a coating; heating the coating, to obtain porous semiconductor fine particles; and sensitizing the porous particles by adsorption of the following dye: wherein A represents a group of atoms necessary for forming a ring; at least one of Y1 and Y2 represents an acidic group and the other represents an electron-attracting group; D represents a dye residue; n represents 1 or a greater integer; L represents a single bond or divalent linking group; and Y3 represents an acidic group.
    Type: Application
    Filed: September 23, 2010
    Publication date: March 31, 2011
    Applicant: FUJIFILM Corporation
    Inventors: Katsumi KOBAYASHI, Yukio TANI, Keizo KIMURA
  • Publication number: 20110071292
    Abstract: A synthesis method of a compound represented by following formula (24), the method comprising reacting at least one of a ligand and a dissociation product thereof with an iridium compound at a room temperature or at an elevated temperatures in the presence or absence of a solvent or in the presence or absence of a base:
    Type: Application
    Filed: November 30, 2010
    Publication date: March 24, 2011
    Applicant: FUJIFILM Corporation
    Inventors: Tatsuya IGARASHI, Keizo Kimura, Kazumi Nii
  • Publication number: 20110071293
    Abstract: A synthesis method of a compound represented by formula (23), the method comprising reacting at least one of a ligand and a dissociation product thereof with an iridium compound at a room temperature or at an elevated temperatures in the presence or absence of a solvent or in the presence or absence of a base:
    Type: Application
    Filed: November 30, 2010
    Publication date: March 24, 2011
    Applicant: FUJIFILM Corporation
    Inventors: Tatsuya IGARASHI, Keizo Kimura, Kazumi Nii
  • Publication number: 20110059033
    Abstract: An object of the invention is to provide an ultraviolet absorbing composition for a skin and hair, which has absorption of high absorbance in both UV-A region and UV-B region, wherein an ultraviolet absorbing compounds in the ultraviolet absorbing composition will not precipitate or turn to yellow in the process of preparing cosmetics. Moreover, the ultraviolet absorbing composition shows excellent feeling in use, and will not dye clothes easily, and may be applied to the skin and hair of a living object, and exhibits excellent capability of absorbing an ultraviolet light. The ultraviolet absorbing composition for skin and hair, which comprises the ultraviolet absorbing compound represented by formula (1) and at least one ultraviolet absorbing compound selected from the group consisting of formulae (I) to (V). (In formula (1), Y11 and Y12 each independently represents monovalent substituent.
    Type: Application
    Filed: September 3, 2010
    Publication date: March 10, 2011
    Applicant: FUJIFILM Corporation
    Inventors: Takashi Kitagawa, Toshihiko Yawata, Youichirou Takeshima, Keizo Kimura
  • Publication number: 20110057155
    Abstract: An ultraviolet absorbent composition, containing: an ultraviolet absorbent A represented by formula (1); an ultraviolet absorbent B represented by formula (2-a) or (2-b); and a compound C, which is at least one kind of compound selected from the group consisting of a singlet oxygen scavenger, an antioxidant and a radical trapping agent: wherein Ra1 and Ra2 each independently represent a hydrogen atom or a specific substituent; Ra3 and Ra4 each independently represent a substituent having a Hammett substituent constant ?p value of 0.2 or more; Ra5 to Ra7 each represent a hydrogen atom or a monovalent substituent; X1 and X2 each independently represent a hydrogen atom or a specific substituent; s1 and s2 each independently represent an integer of 1 to 3; Lg represents a divalent substituent or a single bond; w represents 0 or 1; tb represents 1 or 2; and X3 represents, when tb is 1, a hydrogen atom or a specific substituent; and when tb is 2, X3 represents a divalent substituent.
    Type: Application
    Filed: May 7, 2009
    Publication date: March 10, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Kazushi Furuwaka, Youichiro Takeshima, Keizo Kimura
  • Publication number: 20110024701
    Abstract: An ultraviolet absorbent composition, comprising: at least one kind of ultraviolet absorbent (A) that is a compound represented by the following Formula (1); and at least one kind of ultraviolet absorbent (B) that is a compound where absorbance at 320 nm is 20% or more of absorbance at absorption maximum wavelength in the range of from 270 nm to 400 nm and the absorption maximum wavelength is 380 nm or less: wherein Het1 represents a bivalent five- or six-membered aromatic heterocyclic residue; the aromatic heterocyclic residue may have a substituent; Xa, Xb, Xc and Xd each independently represent a heteroatom; Xa to Xd may have a substituent; Ya, Yb, Yc, Yd, Ye and Yf each independently represent a heteroatom or a carbon atom; Ya to Yf may have a substituent; and the rings bound to Het1 may have a double bond at any position.
    Type: Application
    Filed: March 30, 2009
    Publication date: February 3, 2011
    Applicant: Fujifilm Corporation
    Inventors: Kazushi Furukawa, Keizo Kimura, Youichiro Takeshima, Ichiro Amasaki
  • Patent number: 7875215
    Abstract: The invention provides a near-infrared-absorbing material comprising at least one first compound selected from the group consisting of a singlet oxygen scavenger, a radical trapping agent and an antioxidant and at least one second compound represented by the following formula (II-1) or (II-2).
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: January 25, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Keizo Kimura, Katsuyoshi Yamakawa, Osama Uchida
  • Publication number: 20110015314
    Abstract: An ultraviolet absorbent containing a compound represented by the following formula (I), having an aluminum ion in a concentration of less than 2 ppm, and an iron ion in a concentration of less than 2 ppm. wherein R1 represents a substituent; n1 represents an integer of 0 to 4; R2 represents an n2-valent substituent or a linking group; and n2 represents an integer of 1 to 4.
    Type: Application
    Filed: March 30, 2009
    Publication date: January 20, 2011
    Applicant: FUJIFILM Corporation
    Inventors: Youichiro Takeshima, Keizo Kimura
  • Publication number: 20100324181
    Abstract: An ultraviolet absorber composition is provided and includes: a compound represented by formula (I); and an ultraviolet absorber having a maximum absorption at a wavelength of from 340 to 400 nm: R1a, R1b, R1c, R1d, R1e, R1f, R1g, R1h, R1i, and R1j each independently represent a hydrogen atom or a monovalent substituent except OH, or adjacent two of R1a, R1b, R1c, R1d, R1e, R1f, R1g, R1h, R1i, and R1j may be taken together to form a ring; R1k, R1m, R1n, and R1p each independently represent a hydrogen atom or a monovalent substituent, or adjacent two of R1k, R1m, R1n, and R1p may be taken together to form a ring; and at least one of R1a, R1b, R1c, R1d, R1c, R1f, R1g, R1h, R1i, R1j, R1k, R1m, R1n, and R1p is a substituent having a positive ?p value in Hammett equation.
    Type: Application
    Filed: June 22, 2010
    Publication date: December 23, 2010
    Applicant: FUJIFILM Corporation
    Inventors: Ichiro AMASAKI, Keizo KIMURA
  • Publication number: 20100311877
    Abstract: A compound is provided and is represented by the following formula (1): R1a, R1b, R1c, R1d, and R1e each independently represents a hydrogen atom or a monovalent substituent other than OH with a proviso that at least one substituent has a positive ?p value in Hammett equation and substituents may be coupled to each other to form a ring; R1f, R1g, R1h, R1i, and R1j each independently represents a hydrogen atom or a monovalent substituent other than OH with a proviso that substituents may be coupled to each other to form a ring; and R1k, R1m, R1n, and R1p each independently represents a hydrogen atom or a monovalent substituent with a proviso that substituents may be coupled to each other to form a ring.
    Type: Application
    Filed: June 9, 2010
    Publication date: December 9, 2010
    Applicant: FUJIFILM Corporation
    Inventors: Ichiro AMASAKI, Keizo Kimura, Kazushi Furukawa
  • Patent number: 7838670
    Abstract: A naphthalocyanine compound of formula (I): wherein R111, R121, R131 and R141 represent a group of formula (II); R112, R122, R132 and R142 represent a substituent; M1 represents two hydrogen atoms, two monovalent metal atoms, etc.; n112, n122, n132 and n142 are 0 to 4; R211-R218 represent H or a substituent; X211 and X212 represent —O—, —S— or —N(R220)—; R219 and R220 represent H, an aliphatic group, etc.; n211 is 2 or more; and n212 is 1 or more.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: November 23, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Keizo Kimura, Katsuyoshi Yamakawa
  • Patent number: 7812171
    Abstract: The present invention provides a black pigment consisting of an oxonol compound having a mean particle diameter ranging from 0.01 to 10.0 micrometers, and a black pigment dispersion and a black resin composition comprising the black pigment.
    Type: Grant
    Filed: November 13, 2007
    Date of Patent: October 12, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Keizo Kimura, Osamu Uchida, Katsuyoshi Yamakawa
  • Publication number: 20100256362
    Abstract: A method of producing a compound represented by Formula (I), which comprises a step A of reacting an anthranilic acid compound with a carboxylic halide in the absence of a base, but does not comprise a step of isolating of an amide intermediate compound represented by Formula (II): wherein R1 represents a substituent; n1 is an integer of 0 to 4; R2 represents an n2-valent substituent or a linking group; and n2 is an integer of 1 to 4.
    Type: Application
    Filed: September 25, 2008
    Publication date: October 7, 2010
    Inventors: Keizo Kimura, Takashi Kitagawa, Osamu Uchida
  • Publication number: 20100249461
    Abstract: A triarylamine derivative is represented by the following Formula (I). In Formula (I): R111, R112, R121, R122, R131 and R132 each independently represent a hydrogen atom, an aliphatic group or an aromatic group, provided that R131 and R132 are not both phenyl groups having a group represented by —NR141R142 at a fourth position; R141 and R142 each independently represent a hydrogen atom, an aliphatic group, or an aromatic group; R113, R123 and R133 each independently represent a substituent; n113, n123 and n133 each independently represent an integer of from 0 to 4; and X? represents a counteranion represented by any of the following Formulae (II) to (IV). In Formulae (II) to (IV), R211, R212, R311, R312, R411, R412 and R413 each independently represent an aliphatic group, an aromatic group or a heterocyclic group.
    Type: Application
    Filed: June 8, 2010
    Publication date: September 30, 2010
    Inventors: Tomohito MASAKI, Keizo Kimura, Osamu Uchida
  • Publication number: 20100240895
    Abstract: A compound represented by following formula (24): wherein R11 and R12 each represents a substituent; m1 represents an integer of from 0 to 4; m2 represents an integer of from 0 to 6; Z2 represents an atomic group which forms an aryl ring or a heteroaryl ring; Z3 represents an atomic group which forms a nitrogen-containing heteroaryl ring; and n1 represents an integer of from 1 to 3.
    Type: Application
    Filed: March 15, 2010
    Publication date: September 23, 2010
    Applicant: FUJIFILM Corporation
    Inventors: Tatsuya Igarashi, Keizo Kimura, Kazumi Nii